ZyXEL Communications P660HWDXV2 802.11g Wireless ADSL Gateway User Manual SMG 700 User s Guide V1 00 Nov 2004

ZyXEL Communications Corporation 802.11g Wireless ADSL Gateway SMG 700 User s Guide V1 00 Nov 2004

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www.zyxel.comP-660HW-Dx v2802.11g Wireless ADSL2+ 4-port GatewayUser’s GuideVersion 3.403/2007Edition 2

About This User's GuideP-660HW-Dx v2 User’s Guide 3About This User's GuideIntended AudienceThis manual is intended for people who want to configure the ZyXEL Device using the web configurator. You should have at least a basic knowledge of TCP/IP networking concepts and topology.Related Documentation• Quick Start Guide The Quick Start Guide is designed to help you get up and running right away. It contains information on setting up your network and configuring for Internet access.• Web Configurator Online HelpEmbedded web help for descriptions of individual screens and supplementary information."It is recommended you use the web configurator to configure the ZyXEL Device.• Supporting DiskRefer to the included CD for support documents.• ZyXEL Web Site• Please refer to www.zyxel.com for additional support documentation and product certifications.User Guide FeedbackHelp us help you. Send all User Guide-related comments, questions or suggestions for improvement to the following address, or use e-mail instead. Thank you!The Technical Writing Team,ZyXEL Communications Corp.,6 Innovation Road II,Science-Based Industrial Park, Hsinchu, 300, Taiwan.E-mail: techwriters@zyxel.com.tw

Document ConventionsP-660HW-Dx v2 User’s Guide4Document ConventionsWarnings and NotesThese are how warnings and notes are shown in this User’s Guide. 1Warnings tell you about things that could harm you or your device."Notes tell you other important information (for example, other things you may need to configure or helpful tips) or recommendations.Syntax Conventions• The P-660HW-D may be referred to as the “ZyXEL Device”, the “device” or the “system” in this User’s Guide.• Product labels, screen names, field labels and field choices are all in bold font.• A key stroke is denoted by square brackets and uppercase text, for example, [ENTER] means the “enter” or “return” key on your keyboard.• “Enter” means for you to type one or more characters and then press the [ENTER] key. “Select” or “choose” means for you to use one of the predefined choices.• A right angle bracket ( > ) within a screen name denotes a mouse click. For example, Maintenance > Log > Log Setting means you first click Maintenance in the navigation panel, then the Log sub menu and finally the Log Setting tab to get to that screen.• Units of measurement may denote the “metric” value or the “scientific” value. For example, “k” for kilo may denote “1000” or “1024”, “M” for mega may denote “1000000” or “1048576” and so on.• “e.g.,” is a shorthand for “for instance”, and “i.e.,” means “that is” or “in other words”.

Document ConventionsP-660HW-Dx v2 User’s Guide 5Icons Used in FiguresFigures in this User’s Guide may use the following generic icons. The ZyXEL Device icon is not an exact representation of your device.ZyXEL Device Computer Notebook computerServer DSLAM FirewallTelephone Switch Router

Safety WarningsP-660HW-Dx v2 User’s Guide6Safety Warnings1For your safety, be sure to read and follow all warning notices and instructions.• Do NOT use this product near water, for example, in a wet basement or near a swimming pool.• Do NOT expose your device to dampness, dust or corrosive liquids.• Do NOT store things on the device.• Do NOT install, use, or service this device during a thunderstorm. There is a remote risk of electric shock from lightning.• Connect ONLY suitable accessories to the device.• Do NOT open the device or unit. Opening or removing covers can expose you to dangerous high voltage points or other risks. ONLY qualified service personnel should service or disassemble this device. Please contact your vendor for further information.• Make sure to connect the cables to the correct ports.• Place connecting cables carefully so that no one will step on them or stumble over them.• Always disconnect all cables from this device before servicing or disassembling.• Use ONLY an appropriate power adaptor or cord for your device.• Connect the power adaptor or cord to the right supply voltage (for example, 110V AC in North America or 230V AC in Europe).• Do NOT allow anything to rest on the power adaptor or cord and do NOT place the product where anyone can walk on the power adaptor or cord.• Do NOT use the device if the power adaptor or cord is damaged as it might cause electrocution.• If the power adaptor or cord is damaged, remove it from the power outlet.• Do NOT attempt to repair the power adaptor or cord. Contact your local vendor to order a new one.• Do not use the device outside, and make sure all the connections are indoors. There is a remote risk of electric shock from lightning. • Do NOT obstruct the device ventilation slots, as insufficient airflow may harm your device.• Please use only No. 26 AWG (American Wire Gauge) or larger telecommunication line cord.• Antenna Warning! This device meets ETSI and FCC certification requirements when using the included antenna(s). Only use the included antenna(s). • If you wall mount your device, make sure that no electrical lines, gas or water pipes will be damaged. This product is recyclable. Dispose of it properly.

Safety WarningsP-660HW-Dx v2 User’s Guide 7

Safety WarningsP-660HW-Dx v2 User’s Guide8

Contents OverviewP-660HW-Dx v2 User’s Guide 9Contents OverviewIntroduction ............................................................................................................................ 31Introducing the ZyXEL Device ...................................................................................................33Introducing the Web Configurator .............................................................................................. 39Wizards ................................................................................................................................... 51Wizard Setup for Internet Access .............................................................................................. 53Bandwidth Management Wizard ................................................................................................ 67Network ................................................................................................................................... 73WAN Setup ................................................................................................................................ 75LAN Setup ................................................................................................................................. 93Wireless LAN ........................................................................................................................... 105Network Address Translation (NAT) Screens .......................................................................... 129Security ................................................................................................................................. 141Firewalls .................................................................................................................................. 143Firewall Configuration .............................................................................................................. 155Content Filtering ...................................................................................................................... 177Advanced .............................................................................................................................. 181Static Route ............................................................................................................................. 183Bandwidth Management .......................................................................................................... 187Dynamic DNS Setup ................................................................................................................ 199Remote Management Configuration ........................................................................................ 203Universal Plug-and-Play (UPnP) ............................................................................................. 213Maintenance and Troubleshooting ..................................................................................... 225System ..................................................................................................................................... 227Logs ........................................................................................................................................ 233Tools ........................................................................................................................................ 251Diagnostic ............................................................................................................................... 257Troubleshooting ....................................................................................................................... 259Appendices and Index .........................................................................................................263

Contents OverviewP-660HW-Dx v2 User’s Guide10

Table of ContentsP-660HW-Dx v2 User’s Guide 11Table of ContentsAbout This User's Guide ..........................................................................................................3Document Conventions............................................................................................................4Safety Warnings........................................................................................................................ 6Contents Overview ................................................................................................................... 9Table of Contents.................................................................................................................... 11List of Figures ......................................................................................................................... 21List of Tables........................................................................................................................... 27Part I: Introduction................................................................................. 31Chapter 1Introducing the ZyXEL Device............................................................................................... 331.1 Overview .............................................................................................................................. 331.2 Ways to Manage the ZyXEL Device .................................................................................... 351.3 Good Habits for Managing the ZyXEL Device ..................................................................... 351.4 LEDs .................................................................................................................................... 351.5 Hardware Connections ........................................................................................................ 361.5.1 Splitters and Microfilters ............................................................................................. 36Chapter 2Introducing the Web Configurator ........................................................................................ 392.1 Web Configurator Overview ................................................................................................. 392.2 Accessing the Web Configurator ......................................................................................... 392.2.1 User Access ............................................................................................................... 402.2.2 Administrator Access ................................................................................................. 402.3 Resetting the ZyXEL Device ................................................................................................ 422.3.1 Using the Reset Button .............................................................................................. 422.4 Navigating the Web Configurator ......................................................................................... 422.4.1 Navigation Panel ........................................................................................................ 422.4.2 Status Screen ............................................................................................................. 442.4.3 Status: Any IP Table ................................................................................................... 472.4.4 Status: WLAN Status .................................................................................................. 472.4.5 Status: Bandwidth Status ........................................................................................... 48

Table of ContentsP-660HW-Dx v2 User’s Guide122.4.6 Status: Packet Statistics ............................................................................................. 482.4.7 Changing Login Password ........................................................................................ 50Part II: Wizards ....................................................................................... 51Chapter 3Wizard Setup for Internet Access.......................................................................................... 533.1 Introduction .......................................................................................................................... 533.2 Internet Access Wizard Setup ............................................................................................. 533.2.1 Automatic Detection ................................................................................................... 553.2.2 Manual Configuration ................................................................................................. 553.3 Wireless Connection Wizard Setup ..................................................................................... 603.3.1 Manually assign a WPA-PSK key .............................................................................. 633.3.2 Manually assign a WEP key ....................................................................................... 63Chapter 4Bandwidth Management Wizard ............................................................................................674.1 Introduction .......................................................................................................................... 674.2 Predefined Media Bandwidth Management Services .......................................................... 674.3 Bandwidth Management Wizard Setup ............................................................................... 68Part III: Network...................................................................................... 73Chapter 5WAN Setup............................................................................................................................... 755.1 WAN Overview ................................................................................................................... 755.1.1 Encapsulation ............................................................................................................. 755.1.2 Multiplexing ................................................................................................................ 765.1.3 Encapsulation and Multiplexing Scenarios ................................................................. 765.1.4 VPI and VCI ............................................................................................................... 775.1.5 IP Address Assignment .............................................................................................. 775.1.6 Nailed-Up Connection (PPP) ..................................................................................... 775.1.7 NAT ............................................................................................................................ 785.2 Metric .................................................................................................................................. 785.3 Traffic Shaping ..................................................................................................................... 785.3.1 ATM Traffic Classes ................................................................................................... 795.4 Zero Configuration Internet Access ..................................................................................... 805.5 Internet Connection ............................................................................................................ 805.5.1 Configuring Advanced Internet Connection Setup ..................................................... 825.6 Configuring More Connections ............................................................................................ 84

Table of ContentsP-660HW-Dx v2 User’s Guide 135.6.1 More Connections Edit .............................................................................................. 855.6.2 Configuring More Connections Advanced Setup ...................................................... 885.7 Traffic Redirect ................................................................................................................... 895.8 Configuring WAN Backup ................................................................................................... 89Chapter 6LAN Setup................................................................................................................................ 936.1 LAN Overview ..................................................................................................................... 936.1.1 LANs, WANs and the ZyXEL Device .......................................................................... 936.1.2 DHCP Setup ...............................................................................................................946.1.3 DNS Server Address .................................................................................................. 946.1.4 DNS Server Address Assignment .............................................................................. 946.2 LAN TCP/IP ......................................................................................................................... 956.2.1 IP Address and Subnet Mask ..................................................................................... 956.2.2 RIP Setup ................................................................................................................... 966.2.3 Multicast ..................................................................................................................... 966.2.4 Any IP ......................................................................................................................... 976.3 Configuring LAN IP .............................................................................................................. 986.3.1 Configuring Advanced LAN Setup ............................................................................. 996.4 DHCP Setup ...................................................................................................................... 1006.5 LAN Client List ................................................................................................................... 1016.6 LAN IP Alias ...................................................................................................................... 102Chapter 7Wireless LAN......................................................................................................................... 1057.1 Wireless Network Overview ............................................................................................... 1057.2 Wireless Security Overview ............................................................................................... 1067.2.1 SSID ......................................................................................................................... 1067.2.2 MAC Address Filter .................................................................................................. 1067.2.3 User Authentication .................................................................................................. 1067.2.4 Encryption ................................................................................................................ 1077.2.5 One-Touch Intelligent Security Technology (OTIST) ................................................ 1087.3 General Wireless LAN Screen .......................................................................................... 1087.3.1 No Security ............................................................................................................... 1097.3.2 WEP Encryption ........................................................................................................1107.3.3 WPA-PSK/WPA2-PSK ...............................................................................................1117.3.4 WPA/WPA2 ...............................................................................................................1137.3.5 Wireless LAN Advanced Setup .................................................................................1157.4 OTIST ................................................................................................................................1177.4.1 Enabling OTIST .........................................................................................................1177.4.2 Starting OTIST ..........................................................................................................1197.4.3 Notes on OTIST ....................................................................................................... 1207.5 MAC Filter ..................................................................................................................... 121

Table of ContentsP-660HW-Dx v2 User’s Guide147.6 WMM QoS ......................................................................................................................... 1227.6.1 WMM QoS Example ................................................................................................. 1227.6.2 WMM QoS Priorities ................................................................................................. 1227.6.3 Services ................................................................................................................... 1237.7 QoS Screen ....................................................................................................................... 1247.7.1 ToS (Type of Service) and WMM QoS ..................................................................... 1257.7.2 Application Priority Configuration ............................................................................. 126Chapter 8Network Address Translation (NAT) Screens.....................................................................1298.1 NAT Overview ................................................................................................................... 1298.1.1 NAT Definitions ........................................................................................................ 1298.1.2 What NAT Does ....................................................................................................... 1308.1.3 How NAT Works ....................................................................................................... 1308.1.4 NAT Application ........................................................................................................ 1308.1.5 NAT Mapping Types ................................................................................................. 1318.2 SUA (Single User Account) Versus NAT ........................................................................... 1328.3 SIP ALG ............................................................................................................................. 1328.4 NAT General Setup ........................................................................................................... 1338.5 Port Forwarding ................................................................................................................. 1338.5.1 Default Server IP Address ........................................................................................ 1348.5.2 Port Forwarding: Services and Port Numbers .......................................................... 1348.5.3 Configuring Servers Behind Port Forwarding (Example) ......................................... 1358.6 Configuring Port Forwarding ............................................................................................. 1358.6.1 Port Forwarding Rule Edit ....................................................................................... 1368.7 Address Mapping .............................................................................................................. 1378.7.1 Address Mapping Rule Edit ..................................................................................... 139Part IV: Security ................................................................................... 141Chapter 9Firewalls................................................................................................................................. 1439.1 Firewall Overview ............................................................................................................. 1439.2 Types of Firewalls .............................................................................................................. 1439.2.1 Packet Filtering Firewalls ......................................................................................... 1439.2.2 Application-level Firewalls ........................................................................................ 1449.2.3 Stateful Inspection Firewalls ..................................................................................... 1449.3 Introduction to ZyXEL’s Firewall ........................................................................................ 1449.3.1 Denial of Service Attacks ......................................................................................... 1459.4 Denial of Service ............................................................................................................... 1459.4.1 Basics ....................................................................................................................... 145

Table of ContentsP-660HW-Dx v2 User’s Guide 159.4.2 Types of DoS Attacks ............................................................................................... 1469.5 Stateful Inspection ............................................................................................................. 1489.5.1 Stateful Inspection Process ...................................................................................... 1499.5.2 Stateful Inspection and the ZyXEL Device ............................................................... 1509.5.3 TCP Security ............................................................................................................ 1509.5.4 UDP/ICMP Security .................................................................................................. 1519.5.5 Upper Layer Protocols ............................................................................................. 1519.6 Guidelines for Enhancing Security with Your Firewall ....................................................... 1529.6.1 Security In General .................................................................................................. 1529.7 Packet Filtering Vs Firewall ...............................................................................................1539.7.1 Packet Filtering: ....................................................................................................... 1539.7.2 Firewall ..................................................................................................................... 153Chapter 10Firewall Configuration ..........................................................................................................15510.1 Access Methods .............................................................................................................. 15510.2 Firewall Policies Overview ............................................................................................... 15510.3 Rule Logic Overview ........................................................................................................ 15610.3.1 Rule Checklist ........................................................................................................ 15610.3.2 Security Ramifications ............................................................................................ 15610.3.3 Key Fields For Configuring Rules ......................................................................... 15710.4 Connection Direction ....................................................................................................... 15710.4.1 LAN to WAN Rules ................................................................................................. 15810.4.2 Alerts ...................................................................................................................... 15810.5 General Firewall Policy ................................................................................................. 15810.6 Firewall Rules Summary ................................................................................................. 15910.6.1 Configuring Firewall Rules ................................................................................... 16110.6.2 Customized Services ............................................................................................ 16410.6.3 Configuring a Customized Service ....................................................................... 16410.7 Example Firewall Rule .....................................................................................................16510.8 Predefined Services ........................................................................................................ 16910.9 Anti-Probing ..................................................................................................................... 17110.10 DoS Thresholds ............................................................................................................ 17210.10.1 Threshold Values ................................................................................................. 17210.10.2 Half-Open Sessions ............................................................................................. 17310.10.3 Configuring Firewall Thresholds ........................................................................... 173Chapter 11Content Filtering ................................................................................................................... 17711.1 Content Filtering Overview .............................................................................................. 17711.2 Configuring Keyword Blocking ........................................................................................ 17711.3 Configuring the Schedule ................................................................................................ 17811.4 Configuring Trusted Computers ...................................................................................... 179

Table of ContentsP-660HW-Dx v2 User’s Guide16Part V: Advanced ................................................................................. 181Chapter 12Static Route ........................................................................................................................... 18312.1 Static Route .................................................................................................................. 18312.2 Configuring Static Route .................................................................................................18312.2.1 Static Route Edit ................................................................................................... 184Chapter 13Bandwidth Management.......................................................................................................18713.1 Bandwidth Management Overview ................................................................................. 18713.2 Application-based Bandwidth Management .................................................................... 18713.3 Subnet-based Bandwidth Management .......................................................................... 18713.4 Application and Subnet-based Bandwidth Management ................................................. 18813.5 Scheduler ........................................................................................................................ 18813.5.1 Priority-based Scheduler ........................................................................................ 18813.5.2 Fairness-based Scheduler ..................................................................................... 18913.6 Maximize Bandwidth Usage ............................................................................................ 18913.6.1 Reserving Bandwidth for Non-Bandwidth Class Traffic .......................................... 18913.6.2 Maximize Bandwidth Usage Example .................................................................... 18913.6.3 Bandwidth Management Priorities ......................................................................... 19113.7 Over Allotment of Bandwidth ........................................................................................... 19113.8 Configuring Summary ..................................................................................................... 19113.9 Bandwidth Management Rule Setup ............................................................................. 19213.10 DiffServ .......................................................................................................................... 19413.10.1 DSCP and Per-Hop Behavior ............................................................................... 19413.10.2 Rule Configuration ............................................................................................... 19413.11 Bandwidth Monitor ........................................................................................................ 197Chapter 14Dynamic DNS Setup ............................................................................................................. 19914.1 Dynamic DNS Overview ................................................................................................. 19914.1.1 DYNDNS Wildcard ................................................................................................. 19914.2 Configuring Dynamic DNS .............................................................................................. 199Chapter 15Remote Management Configuration ................................................................................... 20315.1 Remote Management Overview ..................................................................................... 20315.1.1 Remote Management Limitations .......................................................................... 20415.1.2 Remote Management and NAT .............................................................................. 20415.1.3 System Timeout .................................................................................................... 20415.2 WWW .............................................................................................................................. 20415.3 Telnet ............................................................................................................................... 205

Table of ContentsP-660HW-Dx v2 User’s Guide 1715.4 Configuring Telnet ............................................................................................................ 20515.5 Telnet Login ..................................................................................................................... 20615.6 Configuring FTP ............................................................................................................. 20715.7 SNMP .............................................................................................................................. 20715.7.1 Supported MIBs ..................................................................................................... 20915.7.2 SNMP Traps ........................................................................................................... 20915.7.3 Configuring SNMP ................................................................................................. 20915.8 Configuring DNS ............................................................................................................. 21015.9 Configuring ICMP .............................................................................................................211Chapter 16Universal Plug-and-Play (UPnP).......................................................................................... 21316.1 Introducing Universal Plug and Play ............................................................................... 21316.1.1 How do I know if I'm using UPnP? ......................................................................... 21316.1.2 NAT Traversal ........................................................................................................ 21316.1.3 Cautions with UPnP ............................................................................................... 21316.2 UPnP and ZyXEL ............................................................................................................21416.2.1 Configuring UPnP ................................................................................................. 21416.3 Installing UPnP in Windows Example .............................................................................. 21516.3.1 Installing UPnP in Windows Me ............................................................................. 21516.3.2 Installing UPnP in Windows XP ............................................................................. 21616.4 Using UPnP in Windows XP Example ............................................................................. 21716.4.1 Auto-discover Your UPnP-enabled Network Device .............................................. 21816.4.2 Web Configurator Easy Access ............................................................................. 221Part VI: Maintenance and Troubleshooting ....................................... 225Chapter 17System ................................................................................................................................... 22717.1 General Setup ................................................................................................................. 22717.1.1 General Setup and System Name ......................................................................... 22717.1.2 General Setup ....................................................................................................... 22717.2 Time Setting .................................................................................................................... 229Chapter 18Logs ...................................................................................................................................... 23318.1 Logs Overview ................................................................................................................ 23318.1.1 Alerts and Logs ...................................................................................................... 23318.2 Viewing the Logs ............................................................................................................. 23318.3 Configuring Log Settings ................................................................................................ 23418.3.1 Example E-mail Log ............................................................................................... 236

Table of ContentsP-660HW-Dx v2 User’s Guide1818.4 Log Descriptions .............................................................................................................. 237Chapter 19Tools....................................................................................................................................... 25119.1 Firmware Upgrade .......................................................................................................... 25119.2 Configuration Screen ....................................................................................................... 25319.2.1 Backup Configuration ............................................................................................. 25319.2.2 Restore Configuration ............................................................................................ 25419.2.3 Back to Factory Defaults ........................................................................................ 25519.3 Restart ............................................................................................................................. 255Chapter 20Diagnostic ............................................................................................................................. 25720.1 General Diagnostic ......................................................................................................... 25720.2 DSL Line Diagnostic ...................................................................................................... 257Chapter 21Troubleshooting.................................................................................................................... 25921.1 Power, Hardware Connections, and LEDs ...................................................................... 25921.2 ZyXEL Device Access and Login .................................................................................... 26021.3 Internet Access ................................................................................................................ 261Part VII: Appendices and Index .......................................................... 263Appendix A Product Specifications and Wall Mounting ........................................................ 265Appendix B Wireless LANs .................................................................................................. 271Appendix C Setting up Your Computer’s IP Address ........................................................... 285Appendix D IP Addresses and Subnetting ........................................................................... 301Appendix E Firewall Commands .......................................................................................... 311Appendix F Internal SPTGEN............................................................................................... 317Appendix G Pop-up Windows, JavaScripts and Java Permissions......................................333Appendix H NetBIOS Filter Commands ............................................................................... 339Appendix I Triangle Route ....................................................................................................341Appendix J Legal Information...............................................................................................343Appendix K Customer Support.............................................................................................347

Table of ContentsP-660HW-Dx v2 User’s Guide 19Index....................................................................................................................................... 351

Table of ContentsP-660HW-Dx v2 User’s Guide20

List of FiguresP-660HW-Dx v2 User’s Guide 21List of FiguresFigure 1 Protected Internet Access Applications .................................................................................... 34Figure 2 LAN-to-LAN Application Example ............................................................................................ 34Figure 3 Front Panel .............................................................................................................................. 35Figure 4 Connecting a POTS Splitter ..................................................................................................... 37Figure 5 Connecting a Microfilter ............................................................................................................ 37Figure 6 Connecting a Microfilter and Y-Connector ................................................................................ 38Figure 7 ZyXEL Device with ISDN .......................................................................................................... 38Figure 8 Password Screen ..................................................................................................................... 40Figure 9 User status screen ................................................................................................................... 40Figure 10 Change Password at Login .................................................................................................... 41Figure 11 Select a Mode ......................................................................................................................... 41Figure 12 Web Configurator: Main Screen ............................................................................................ 42Figure 13 Status Screen ......................................................................................................................... 45Figure 14 Status: Any IP Table ............................................................................................................... 47Figure 15 Status: WLAN Status .............................................................................................................. 47Figure 16 Status: Bandwidth Status ........................................................................................................ 48Figure 17 Status: Packet Statistics ......................................................................................................... 49Figure 18 System General ...................................................................................................................... 50Figure 19 Select a Mode ........................................................................................................................ 53Figure 20 Wizard: Welcome ................................................................................................................... 54Figure 21 Auto Detection: No DSL Connection ...................................................................................... 54Figure 22 Auto Detection: Failed ............................................................................................................ 55Figure 23 Auto-Detection: PPPoE .......................................................................................................... 55Figure 24 Internet Access Wizard Setup: ISP Parameters ..................................................................... 56Figure 25 Internet Connection with PPPoE ............................................................................................ 57Figure 26 Internet Connection with RFC 1483 ....................................................................................... 57Figure 27 Internet Connection with ENET ENCAP ................................................................................. 58Figure 28 Internet Connection with PPPoA ............................................................................................ 59Figure 29 Connection Test Failed-1 ........................................................................................................ 59Figure 30 Connection Test Failed-2. ....................................................................................................... 60Figure 31 Connection Test Successful ................................................................................................... 60Figure 32 Wireless LAN Setup Wizard 1 ................................................................................................ 61Figure 33 Wireless LAN Setup Wizard 2 ................................................................................................ 62Figure 34 Manually assign a WPA key ................................................................................................... 63Figure 35 Manually assign a WEP key ................................................................................................... 64Figure 36 Wireless LAN Setup 3 ............................................................................................................ 64Figure 37 Internet Access and WLAN Wizard Setup Complete ............................................................. 65Figure 38 Select a Mode ........................................................................................................................ 68

List of FiguresP-660HW-Dx v2 User’s Guide22Figure 39 Wizard: Welcome ................................................................................................................... 69Figure 40 Bandwidth Management Wizard: General Information ........................................................... 69Figure 41 Bandwidth Management Wizard: Configuration ..................................................................... 70Figure 42 Bandwidth Management Wizard: Complete ........................................................................... 71Figure 43 Example of Traffic Shaping .................................................................................................... 79Figure 44 Internet Connection (PPPoE) ................................................................................................. 81Figure 45 Advanced Internet Connection Setup ..................................................................................... 83Figure 46 More Connections .................................................................................................................. 84Figure 47 More Connections Edit ........................................................................................................... 86Figure 48 More Connections Advanced Setup ....................................................................................... 88Figure 49 Traffic Redirect Example ........................................................................................................ 89Figure 50 Traffic Redirect LAN Setup ..................................................................................................... 89Figure 51 WAN Backup Setup ................................................................................................................ 90Figure 52 LAN and WAN IP Addresses .................................................................................................. 93Figure 53 Any IP Example ...................................................................................................................... 97Figure 54 LAN IP .................................................................................................................................... 98Figure 55 Advanced LAN Setup ............................................................................................................. 99Figure 56 DHCP Setup ......................................................................................................................... 100Figure 57 LAN Client List ...................................................................................................................... 102Figure 58 Physical Network & Partitioned Logical Networks ................................................................ 103Figure 59 LAN IP Alias ......................................................................................................................... 103Figure 60 Example of a Wireless Network ........................................................................................... 105Figure 61 Wireless LAN: General ........................................................................................................ 108Figure 62 Wireless: No Security ............................................................................................................110Figure 63 Wireless: Static WEP Encryption ...........................................................................................111Figure 64 Wireless: WPA-PSK/WPA2-PSK ...........................................................................................112Figure 65 Wireless: WPA/WPA2 ............................................................................................................114Figure 66 Advanced ..............................................................................................................................116Figure 67 OTIST ....................................................................................................................................118Figure 68 Example Wireless Client OTIST Screen ...............................................................................119Figure 69 Security Key ..........................................................................................................................119Figure 70 OTIST in Progress (AP) ........................................................................................................119Figure 71 OTIST in progress (Client) ................................................................................................... 120Figure 72 No AP with OTIST Found ..................................................................................................... 120Figure 73 Start OTIST? ........................................................................................................................ 120Figure 74 MAC Address Filter .............................................................................................................. 121Figure 75 Wireless LAN: QoS .............................................................................................................. 125Figure 76 Application Priority Configuration ......................................................................................... 126Figure 77 How NAT Works ................................................................................................................... 130Figure 78 NAT Application With IP Alias .............................................................................................. 131Figure 79 NAT General ........................................................................................................................ 133Figure 80 Multiple Servers Behind NAT Example ................................................................................ 135Figure 81 NAT Port Forwarding ............................................................................................................ 136

List of FiguresP-660HW-Dx v2 User’s Guide 23Figure 82 Port Forwarding Rule Setup ................................................................................................ 137Figure 83 Address Mapping Rules ....................................................................................................... 138Figure 84 Edit Address Mapping Rule ................................................................................................. 139Figure 85 Firewall Application .............................................................................................................. 145Figure 86 Three-Way Handshake ......................................................................................................... 146Figure 87 SYN Flood ............................................................................................................................ 147Figure 88 Smurf Attack ......................................................................................................................... 147Figure 89 Stateful Inspection ................................................................................................................ 149Figure 90 Firewall: General .................................................................................................................. 158Figure 91 Firewall Rules ...................................................................................................................... 160Figure 92 Firewall: Edit Rule ................................................................................................................ 162Figure 93 Firewall: Customized Services ............................................................................................. 164Figure 94 Firewall: Configure Customized Services ............................................................................. 165Figure 95 Firewall Example: Rules ....................................................................................................... 166Figure 96 Edit Custom Port Example ................................................................................................... 166Figure 97 Firewall Example: Edit Rule: Destination Address .............................................................. 167Figure 98 Firewall Example: Edit Rule: Select Customized Services ................................................... 168Figure 99 Firewall Example: Rules: MyService ................................................................................... 169Figure 100 Firewall: Anti Probing ......................................................................................................... 171Figure 101 Firewall: Threshold ............................................................................................................. 174Figure 102 Content Filter: Keyword ...................................................................................................... 177Figure 103 Content Filter: Schedule ..................................................................................................... 178Figure 104 Content Filter: Trusted ........................................................................................................ 179Figure 105 Example of Static Routing Topology ................................................................................... 183Figure 106 Static Route ........................................................................................................................ 184Figure 107 Static Route Edit ................................................................................................................. 185Figure 108 Subnet-based Bandwidth Management Example .............................................................. 188Figure 109 Bandwidth Management: Summary ................................................................................... 192Figure 110 Bandwidth Management: Rule Setup ................................................................................. 193Figure 111 DiffServ: Differentiated Service Field .................................................................................. 194Figure 112 Bandwidth Management Rule Configuration ...................................................................... 195Figure 113 Bandwidth Management: Monitor ......................................................................................198Figure 114 Dynamic DNS ..................................................................................................................... 200Figure 115 Remote Management: WWW ............................................................................................. 204Figure 116 Telnet Configuration on a TCP/IP Network ......................................................................... 205Figure 117 Remote Management: Telnet ............................................................................................. 206Figure 118 Remote Management: FTP ................................................................................................ 207Figure 119 SNMP Management Model ................................................................................................ 208Figure 120 Remote Management: SNMP ............................................................................................ 209Figure 121 Remote Management: DNS ................................................................................................211Figure 122 Remote Management: ICMP .............................................................................................. 212Figure 123 Configuring UPnP ............................................................................................................... 214Figure 124 Add/Remove Programs: Windows Setup: Communication ................................................ 215

List of FiguresP-660HW-Dx v2 User’s Guide24Figure 125 Add/Remove Programs: Windows Setup: Communication: Components .......................... 216Figure 126 Network Connections ......................................................................................................... 216Figure 127 Windows Optional Networking Components Wizard .......................................................... 217Figure 128 Networking Services ........................................................................................................... 217Figure 129 Network Connections ......................................................................................................... 218Figure 130 Internet Connection Properties .......................................................................................... 219Figure 131 Internet Connection Properties: Advanced Settings ........................................................... 219Figure 132 Internet Connection Properties: Advanced Settings: Add .................................................. 220Figure 133 System Tray Icon ................................................................................................................ 220Figure 134 Internet Connection Status ................................................................................................. 221Figure 135 Network Connections ......................................................................................................... 222Figure 136 Network Connections: My Network Places ........................................................................ 223Figure 137 Network Connections: My Network Places: Properties: Example ...................................... 223Figure 138 System General Setup ....................................................................................................... 228Figure 139 System Time Setting .......................................................................................................... 229Figure 140 View Log ............................................................................................................................. 234Figure 141 Log Settings ....................................................................................................................... 235Figure 142 E-mail Log Example ........................................................................................................... 237Figure 143 Firmware ........................................................................................................................... 251Figure 144 Firmware Upload In Progress ............................................................................................. 252Figure 145 Network Temporarily Disconnected ....................................................................................252Figure 146 Error Message .................................................................................................................... 253Figure 147 Configuration ...................................................................................................................... 253Figure 148 Configuration Restore Successful ...................................................................................... 254Figure 149 Temporarily Disconnected .................................................................................................. 254Figure 150 Configuration Restore Error ............................................................................................... 255Figure 151 Restart Screen ................................................................................................................... 255Figure 152 Diagnostic: General ............................................................................................................ 257Figure 153 Diagnostic: DSL Line .......................................................................................................... 258Figure 154 Wall-mounting Example ...................................................................................................... 269Figure 155 Masonry Plug and M4 Tap Screw .......................................................................................270Figure 156 Peer-to-Peer Communication in an Ad-hoc Network ......................................................... 271Figure 157 Basic Service Set ............................................................................................................... 272Figure 158 Infrastructure WLAN ........................................................................................................... 273Figure 159 RTS/CTS ........................................................................................................................... 274Figure 160 WPA(2) with RADIUS Application Example ....................................................................... 281Figure 161 WPA(2)-PSK Authentication ............................................................................................... 282Figure 162 WIndows 95/98/Me: Network: Configuration ...................................................................... 286Figure 163 Windows 95/98/Me: TCP/IP Properties: IP Address .......................................................... 287Figure 164 Windows 95/98/Me: TCP/IP Properties: DNS Configuration .............................................. 288Figure 165 Windows XP: Start Menu .................................................................................................... 289Figure 166 Windows XP: Control Panel ............................................................................................... 289Figure 167 Windows XP: Control Panel: Network Connections: Properties ......................................... 290

List of FiguresP-660HW-Dx v2 User’s Guide 25Figure 168 Windows XP: Local Area Connection Properties ............................................................... 290Figure 169 Windows XP: Internet Protocol (TCP/IP) Properties .......................................................... 291Figure 170 Windows XP: Advanced TCP/IP Properties ....................................................................... 292Figure 171 Windows XP: Internet Protocol (TCP/IP) Properties .......................................................... 293Figure 172 Macintosh OS 8/9: Apple Menu .......................................................................................... 294Figure 173 Macintosh OS 8/9: TCP/IP ................................................................................................. 294Figure 174 Macintosh OS X: Apple Menu ............................................................................................ 295Figure 175 Macintosh OS X: Network .................................................................................................. 296Figure 176 Red Hat 9.0: KDE: Network Configuration: Devices ......................................................... 297Figure 177 Red Hat 9.0: KDE: Ethernet Device: General .................................................................. 297Figure 178 Red Hat 9.0: KDE: Network Configuration: DNS ............................................................... 298Figure 179 Red Hat 9.0: KDE: Network Configuration: Activate ........................................................ 298Figure 180 Red Hat 9.0: Dynamic IP Address Setting in ifconfig-eth0 ............................................... 299Figure 181 Red Hat 9.0: Static IP Address Setting in ifconfig-eth0 ................................................... 299Figure 182 Red Hat 9.0: DNS Settings in resolv.conf ........................................................................ 299Figure 183 Red Hat 9.0: Restart Ethernet Card ................................................................................. 299Figure 184 Red Hat 9.0: Checking TCP/IP Properties ....................................................................... 300Figure 185 Network Number and Host ID ............................................................................................ 302Figure 186 Subnetting Example: Before Subnetting ............................................................................ 304Figure 187 Subnetting Example: After Subnetting ............................................................................... 305Figure 188 Conflicting Computer IP Addresses Example .................................................................... 309Figure 189 Conflicting Computer IP Addresses Example .................................................................... 309Figure 190 Conflicting Computer and Router IP Addresses Example .................................................. 310Figure 191 Configuration Text File Format: Column Descriptions ........................................................ 317Figure 192 Invalid Parameter Entered: Command Line Example ........................................................ 318Figure 193 Valid Parameter Entered: Command Line Example ........................................................... 318Figure 194 Internal SPTGEN FTP Download Example ........................................................................ 319Figure 195 Internal SPTGEN FTP Upload Example ............................................................................ 319Figure 196 Pop-up Blocker ................................................................................................................... 333Figure 197 Internet Options: Privacy .................................................................................................... 334Figure 198 Internet Options: Privacy .................................................................................................... 335Figure 199 Pop-up Blocker Settings ..................................................................................................... 335Figure 200 Internet Options: Security ................................................................................................... 336Figure 201 Security Settings - Java Scripting ....................................................................................... 337Figure 202 Security Settings - Java ...................................................................................................... 337Figure 203 Java (Sun) .......................................................................................................................... 338Figure 204 Ideal Setup ......................................................................................................................... 341Figure 205 “Triangle Route” Problem ................................................................................................... 342Figure 206 IP Alias ............................................................................................................................... 342

List of FiguresP-660HW-Dx v2 User’s Guide26

List of TablesP-660HW-Dx v2 User’s Guide 27List of TablesTable 1 ADSL Standards ....................................................................................................................... 34Table 2 Front Panel LEDs ...................................................................................................................... 36Table 3 Web Configurator Screens Summary ....................................................................................... 43Table 4 Status Screen ............................................................................................................................ 45Table 5 Status: Any IP Table .................................................................................................................. 47Table 6 Status: WLAN Status ................................................................................................................. 48Table 7 Status: Packet Statistics ............................................................................................................ 49Table 8 Internet Access Wizard Setup: ISP Parameters ....................................................................... 56Table 9 Internet Connection with PPPoE ............................................................................................... 57Table 10 Internet Connection with RFC 1483 ........................................................................................ 57Table 11 Internet Connection with ENET ENCAP ................................................................................. 58Table 12 Internet Connection with PPPoA ............................................................................................. 59Table 13 Wireless LAN Setup Wizard 1 ................................................................................................. 61Table 14 Wireless LAN Setup Wizard 2 ................................................................................................. 62Table 15 Manually assign a WPA key .................................................................................................... 63Table 16 Manually assign a WEP key ................................................................................................... 64Table 17 Media Bandwidth Management Setup: Services .................................................................... 67Table 18 Bandwidth Management Wizard: General Information ........................................................... 69Table 19 Bandwidth Management Wizard: Configuration ...................................................................... 70Table 20 Internet Connection ................................................................................................................. 81Table 21 Advanced Internet Connection Setup ..................................................................................... 83Table 22 More Connections ................................................................................................................... 85Table 23 More Connections Edit ............................................................................................................ 86Table 24 More Connections Advanced Setup ....................................................................................... 88Table 25 WAN Backup Setup ................................................................................................................ 90Table 26 LAN IP ..................................................................................................................................... 99Table 27 Advanced LAN Setup .............................................................................................................. 99Table 28 DHCP Setup ......................................................................................................................... 101Table 29 LAN Client List ...................................................................................................................... 102Table 30 LAN IP Alias .......................................................................................................................... 104Table 31 Types of Encryption for Each Type of Authentication ........................................................... 107Table 32 Wireless LAN: General ......................................................................................................... 109Table 33 Wireless No Security ..............................................................................................................110Table 34 Wireless: Static WEP Encryption ...........................................................................................111Table 35 Wireless: WPA-PSK/WPA2-PSK ............................................................................................112Table 36 Wireless: WPA/WPA2 ............................................................................................................114Table 37 Wireless LAN: Advanced .......................................................................................................116Table 38 OTIST ....................................................................................................................................118

List of TablesP-660HW-Dx v2 User’s Guide28Table 39 MAC Address Filter ............................................................................................................... 121Table 40 WMM QoS Priorities ............................................................................................................. 122Table 41 Commonly Used Services ..................................................................................................... 123Table 42 Wireless Lan: QoS ................................................................................................................ 125Table 43 Application Priority Configuration .......................................................................................... 126Table 44 NAT Definitions ..................................................................................................................... 129Table 45 NAT Mapping Types .............................................................................................................. 132Table 46 NAT General ......................................................................................................................... 133Table 47 Services and Port Numbers .................................................................................................. 134Table 48 NAT Port Forwarding ............................................................................................................ 136Table 49 Port Forwarding Rule Setup .................................................................................................. 137Table 50 Address Mapping Rules ........................................................................................................ 138Table 51 Edit Address Mapping Rule .................................................................................................. 140Table 52 Common IP Ports .................................................................................................................. 145Table 53 ICMP Commands That Trigger Alerts ................................................................................... 148Table 54 Legal NetBIOS Commands ................................................................................................... 148Table 55 Legal SMTP Commands ....................................................................................................... 148Table 56 Firewall: General ................................................................................................................... 159Table 57 Firewall Rules ....................................................................................................................... 160Table 58 Firewall: Edit Rule ................................................................................................................. 163Table 59 Customized Services ............................................................................................................ 164Table 60 Firewall: Configure Customized Services ............................................................................. 165Table 61 Predefined Services .............................................................................................................. 169Table 62 Firewall: Anti Probing ............................................................................................................ 172Table 63 Firewall: Threshold ................................................................................................................ 174Table 64 Content Filter: Keyword ........................................................................................................ 178Table 65 Content Filter: Schedule ....................................................................................................... 179Table 66 Content Filter: Trusted .......................................................................................................... 179Table 67 Static Route ........................................................................................................................... 184Table 68 Static Route Edit ................................................................................................................... 185Table 69 Application and Subnet-based Bandwidth Management Example ....................................... 188Table 70 Maximize Bandwidth Usage Example ................................................................................... 189Table 71 Priority-based Allotment of Unused and Unbudgeted Bandwidth Example .......................... 190Table 72 Fairness-based Allotment of Unused and Unbudgeted Bandwidth Example ....................... 190Table 73 Bandwidth Management Priorities ........................................................................................ 191Table 74 Over Allotment of Bandwidth Example ................................................................................. 191Table 75 Media Bandwidth Management: Summary ........................................................................... 192Table 76 Bandwidth Management: Rule Setup ................................................................................... 193Table 77 Sub-Classes of AF Services ................................................................................................. 194Table 78 Bandwidth Management Rule Configuration ........................................................................ 195Table 79 Services and Port Numbers .................................................................................................. 197Table 80 Bandwidth Management Monitor .......................................................................................... 198Table 81 Dynamic DNS ....................................................................................................................... 200

List of TablesP-660HW-Dx v2 User’s Guide 29Table 82 Remote Management: WWW ...............................................................................................205Table 83 Remote Management: Telnet ................................................................................................ 206Table 84 Remote Management: FTP ................................................................................................... 207Table 85 SNMP Traps .......................................................................................................................... 209Table 86 Remote Management: SNMP ............................................................................................... 210Table 87 Remote Management: DNS ...................................................................................................211Table 88 Remote Management: ICMP ................................................................................................ 212Table 89 Configuring UPnP ................................................................................................................. 214Table 90 System General Setup .......................................................................................................... 228Table 91 System Time Setting ............................................................................................................. 230Table 92 View Log ............................................................................................................................... 234Table 93 Log Settings .......................................................................................................................... 235Table 94 System Maintenance Logs .................................................................................................... 237Table 95 System Error Logs ................................................................................................................ 238Table 96 Access Control Logs ............................................................................................................. 238Table 97 TCP Reset Logs .................................................................................................................... 239Table 98 Packet Filter Logs ................................................................................................................. 239Table 99 ICMP Logs ............................................................................................................................ 240Table 100 CDR Logs ........................................................................................................................... 240Table 101 PPP Logs ............................................................................................................................ 240Table 102 UPnP Logs .......................................................................................................................... 241Table 103 Content Filtering Logs ......................................................................................................... 241Table 104 Attack Logs ......................................................................................................................... 242Table 105 IPSec Logs .......................................................................................................................... 242Table 106 IKE Logs ............................................................................................................................. 243Table 107 PKI Logs ............................................................................................................................. 246Table 108 Certificate Path Verification Failure Reason Codes ............................................................ 247Table 109 ACL Setting Notes .............................................................................................................. 247Table 110 ICMP Notes ......................................................................................................................... 248Table 111 Syslog Logs ......................................................................................................................... 249Table 112 RFC-2408 ISAKMP Payload Types .................................................................................... 249Table 113 Firmware Upgrade .............................................................................................................. 252Table 114 Maintenance Restore Configuration .................................................................................... 254Table 115 Diagnostic: General ............................................................................................................. 257Table 116 Diagnostic: DSL Line ........................................................................................................... 258Table 117 Hardware Specifications ...................................................................................................... 265Table 118 Firmware Specifications ...................................................................................................... 265Table 119 Wireless Firmware Specifications ....................................................................................... 267Table 120 Standards Supported .......................................................................................................... 267Table 121 IEEE 802.11g ...................................................................................................................... 275Table 122 Wireless Security Levels ..................................................................................................... 276Table 123 Comparison of EAP Authentication Types .......................................................................... 279Table 124 Wireless Security Relational Matrix .................................................................................... 282

List of TablesP-660HW-Dx v2 User’s Guide30Table 125 IP Address Network Number and Host ID Example ........................................................... 302Table 126 Subnet Masks ..................................................................................................................... 303Table 127 Maximum Host Numbers .................................................................................................... 303Table 128 Alternative Subnet Mask Notation ....................................................................................... 303Table 129 Subnet 1 .............................................................................................................................. 305Table 130 Subnet 2 .............................................................................................................................. 306Table 131 Subnet 3 .............................................................................................................................. 306Table 132 Subnet 4 .............................................................................................................................. 306Table 133 Eight Subnets ...................................................................................................................... 306Table 134 24-bit Network Number Subnet Planning ............................................................................ 307Table 135 16-bit Network Number Subnet Planning ............................................................................ 307Table 136 Firewall Commands .............................................................................................................311Table 137 Abbreviations Used in the Example Internal SPTGEN Screens Table ............................... 320Table 138 Menu 1 General Setup ........................................................................................................ 320Table 139 Menu 3 ................................................................................................................................ 320Table 140 Menu 4 Internet Access Setup ............................................................................................ 322Table 141 Menu 12 .............................................................................................................................. 324Table 142 Menu 15 SUA Server Setup ................................................................................................ 324Table 143 Menu 21.1 Filter Set #1 ....................................................................................................... 326Table 144 Menu 21.1 Filer Set #2, ....................................................................................................... 327Table 145 Menu 23 System Menus ..................................................................................................... 329Table 146 Menu 24.11 Remote Management Control ......................................................................... 330Table 147 Command Examples ........................................................................................................... 331Table 148 NetBIOS Filter Default Settings .......................................................................................... 340

31PART IIntroductionIntroducing the ZyXEL Device (33)Introducing the Web Configurator (39)

P-660HW-Dx v2 User’s Guide 33CHAPTER 1 Introducing the ZyXEL DeviceThis chapter introduces the main applications and features of the ZyXEL Device. It also introduces the ways you can manage the ZyXEL Device.1.1 OverviewThe ZyXEL Device is an IEEE 802.11b/g wireless ADSL2+ gateway that allows super-fast, secure Internet access over analog (POTS), digital (ISDN) telephone lines (depending on your model) or by wireless.In the ZyXEL Device product name, “H” denotes an integrated 4-port switch (hub) and “W” denotes an included wireless LAN card that provides wireless connectivity. D MEANS WHAT?See the Product Specifications appendix for a full list of features.Model names ending in “1”, for example P-660H/HW-D Series, denote a device that works over the analog telephone system, POTS (Plain Old Telephone Service). Model names ending in “3” denote a device that works over ISDN (Integrated Services Digital Network).The DSL RJ-11 (ADSL over POTS models) or RJ-45 (ADSL over ISDN models) connects to your ADSL-enabled telephone line. 1Only use firmware for your ZyXEL Device’s specific model. Refer to the label on the bottom of your ZyXEL Device.The ZyXEL Device is the ideal high-speed Internet access solution. It is compatible with all major ADSL DSLAM (Digital Subscriber Line Access Multiplexer) providers and supports the ADSL standards as shown in Table 1 on page 34. In addition, the ZyXEL Device with its wireless features allows wireless clients access to your wired network resources and to the Internet.The ZyXEL Device provides protection from attacks by Internet hackers. By default, the firewall blocks all incoming traffic from the WAN. The firewall supports TCP/UDP inspection and DoS (Denial of Services) detection and prevention, as well as real time alerts, reports and logs.A typical Internet access application is shown below

Chapter 1 Introducing the ZyXEL DeviceP-660HW-Dx v2 User’s Guide34Figure 1 Protected Internet Access ApplicationsYou can also use the ZyXEL Device to connect two geographically dispersed networks over the ADSL line. A typical LAN-to-LAN application example is shown as follows.Figure 2 LAN-to-LAN Application ExampleThe ZyXEL Device is compatible with the ADSL/ADSL2/ADSL2+ standards. Maximum data rates attainable for each standard are shown in the next table."If your ZyXEL Device does not support Annex M, the maximum ADSL2/2+ upstream data rate is 1.2 Mbps. ZyXEL Devices which work over ISDN do not support Annex M. "The standard your ISP supports determines the maximum upstream and downstream speeds attainable. Actual speeds attained also depend on the distance from your ISP, line quality, etc.Table 1 ADSL StandardsDATA RATE STANDARD UPSTREAM DOWNSTREAMADSL 832 kbps 8MbpsADSL2 3.5Mbps 12MbpsADSL2+ 3.5Mbps 24Mbps

Chapter 1 Introducing the ZyXEL DeviceP-660HW-Dx v2 User’s Guide 351.2 Ways to Manage the ZyXEL DeviceUse any of the following methods to manage the ZyXEL Device.• Web Configurator. This is recommended for everyday management of the ZyXEL Device using a (supported) web browser.• Command Line Interface. Line commands are mostly used for troubleshooting by service engineers.• FTP for firmware upgrades and configuration backup/restore (Chapter 19 on page 251)• SNMP. The device can be monitored by an SNMP manager. See the SNMP chapter in this User’s Guide.• SPTGEN. SPTGEN is a text configuration file that allows you to configure the device by uploading an SPTGEN file. This is especially convenient if you need to configure many devices of the same type. 1.3 Good Habits for Managing the ZyXEL DeviceDo the following things regularly to make the ZyXEL Device more secure and to manage the ZyXEL Device more effectively.• Change the password. Use a password that’s not easy to guess and that consists of different types of characters, such as numbers and letters.• Write down the password and put it in a safe place.• Back up the configuration (and make sure you know how to restore it). Restoring an earlier working configuration may be useful if the device becomes unstable or even crashes. If you forget your password, you will have to reset the ZyXEL Device to its factory default settings. If you backed up an earlier configuration file, you would not have to totally re-configure the ZyXEL Device. You could simply restore your last configuration.1.4 LEDsThe following figure shows the ZyXEL Device’s LEDs. Figure 3 Front Panel

Chapter 1 Introducing the ZyXEL DeviceP-660HW-Dx v2 User’s Guide36The following table describes the LEDs. 1.5 Hardware ConnectionsRefer to the Quick Start Guide for information on hardware connections. 1.5.1 Splitters and Microfilters1.5.1.1 Connecting a POTS SplitterWhen you use the Full Rate (G.dmt) ADSL standard, you can use a POTS (Plain Old Telephone Service) splitter to separate the telephone and ADSL signals. This allows simultaneous Internet access and telephone service on the same line. A splitter also eliminates the destructive interference conditions caused by telephone sets. Install the POTS splitter at the point where the telephone line enters your residence, as shown in the following figure.Table 2 Front Panel LEDsLED COLOR STATUS DESCRIPTIONPOWER Green On The ZyXEL Device is receiving power and functioning properly. Blinking The ZyXEL Device is rebooting or performing diagnostics.Red On Power to the ZyXEL Device is too low. Off The system is not ready or has malfunctioned.ETHERNET Green On The ZyXEL Device has a successful 10Mb Ethernet connection. Blinking The ZyXEL Device is sending/receiving data.Amber On The ZyXEL Device has a successful 100Mb Ethernet connection. Blinking The ZyXEL Device is sending/receiving data.Off The LAN is not connected.WLAN Green On The ZyXEL Device is ready, but is not sending/receiving data through the wireless LAN. Blinking The ZyXEL Device is sending/receiving data through the wireless LAN.Off The wireless LAN is not ready or has failed.DSL Green On The DSL line is up.Blinking The ZyXEL Device is initializing the DSL line.Off The DSL line is down.INTERNET Green On The Internet connection is up.Blinking The ZyXEL Device is initializing the DSL line.Off The DSL line is down.

Chapter 1 Introducing the ZyXEL DeviceP-660HW-Dx v2 User’s Guide 37Figure 4 Connecting a POTS Splitter1Connect the side labeled “Phone” to your telephone.2Connect the side labeled “Modem” or “DSL” to your ZyXEL Device.3Connect the side labeled “Line” to the telephone wall jack.1.5.1.2 Telephone MicrofiltersTelephone voice transmissions take place in the lower frequency range, 0 - 4KHz, while ADSL transmissions take place in the higher bandwidth range, above 4KHz. A microfilter acts as a low-pass filter, for your telephone, to ensure that ADSL transmissions do not interfere with your telephone voice transmissions. The use of a telephone microfilter is optional. 1Locate and disconnect each telephone. 2Connect a cable from the wall jack to the “wall side” of the microfilter.3Connect the “phone side” of the microfilter to your telephone as shown in the following figure.4After you are done, make sure that your telephone works. If your telephone does not work, disconnect the microfilter and contact either your local telephone company or the provider of the microfilter.Figure 5 Connecting a MicrofilterYou can also use a Y-Connector with a microfilter in order to connect both your modem and a telephone to the same wall jack without using a POTS splitter.1Connect a phone cable from the wall jack to the single jack end of the Y-Connector.

Chapter 1 Introducing the ZyXEL DeviceP-660HW-Dx v2 User’s Guide382Connect a cable from the double jack end of the Y-Connector to the “wall side” of the microfilter.3Connect another cable from the double jack end of the Y-Connector to the ZyXEL Device.4Connect the “phone side” of the microfilter to your telephone as shown in the following figure.Figure 6 Connecting a Microfilter and Y-Connector1.5.1.3 ZyXEL Device With ISDNThis section relates to people who use their ZyXEL Device with ADSL over ISDN (digital telephone service) only. The following is an example installation for the ZyXEL Device with ISDN.Figure 7 ZyXEL Device with ISDN

P-660HW-Dx v2 User’s Guide 39CHAPTER 2 Introducing the WebConfiguratorThis chapter describes how to access and navigate the web configurator.2.1 Web Configurator OverviewThe web configurator is an HTML-based management interface that allows easy ZyXEL Device setup and management via Internet browser. Use Internet Explorer 6.0 and later or Netscape Navigator 7.0 and later versions. The recommended screen resolution is 1024 by 768 pixels.In order to use the web configurator you need to allow:• Web browser pop-up windows from your device. Web pop-up blocking is enabled by default in Windows XP SP (Service Pack) 2.• JavaScripts (enabled by default).• Java permissions (enabled by default).See the chapter on troubleshooting if you need to make sure these functions are allowed in Internet Explorer. 2.2 Accessing the Web Configurator "Even though you can connect to the ZyXEL Device wirelessly, it is recommended that you connect your computer to a LAN port for initial configuration.1Make sure your ZyXEL Device hardware is properly connected (refer to the Quick Start Guide).2Prepare your computer/computer network to connect to the ZyXEL Device (refer to the Quick Start Guide).3Launch your web browser.4Type "192.168.1.1" as the URL.

Chapter 2 Introducing the Web ConfiguratorP-660HW-Dx v2 User’s Guide405A window displays as shown. Figure 8 Password Screen2.2.1 User Access1For user access enter the default user password user to view the status only. The following window will appear. Figure 9 User status screen2.2.2 Administrator Access1For administrator access enter the default admin password 1234 to configure the wizards and the advanced features. 2Click Login to proceed to a screen asking you to change your password or click Cancel to revert to the default password.3If you entered the admin password, it is highly recommended you change the default admin password! Enter a new password between 1 and 30 characters, retype it to confirm and click Apply. Alternatively click Ignore to proceed to the main menu if you do not want to change the password now.

Chapter 2 Introducing the Web ConfiguratorP-660HW-Dx v2 User’s Guide 41"If you do not change the password at least once, the following screen appears every time you log in with the admin password.Figure 10 Change Password at Login4Select Go to Wizard setup and click Apply to display the wizard main screen. Otherwise, select Go to Advanced setup and click Apply to display the Status screen.Figure 11 Select a Mode"The management session automatically times out when the time period set in the Administrator Inactivity Timer field expires (default five minutes). Simply log back into the ZyXEL Device if this happens.

Chapter 2 Introducing the Web ConfiguratorP-660HW-Dx v2 User’s Guide422.3 Resetting the ZyXEL DeviceIf you forget your password or cannot access the web configurator, you will need to use the RESET button at the back of the ZyXEL Device to reload the factory-default configuration file. This means that you will lose all configurations that you had previously and the password will be reset to “1234”.2.3.1 Using the Reset Button1Make sure the POWER LED is on (not blinking).2Press the RESET button for ten seconds or until the POWER LED begins to blink and then release it. When the POWER LED begins to blink, the defaults have been restored and the ZyXEL Device restarts.2.4 Navigating the Web Configurator2.4.1 Navigation PanelAfter you enter the admin password, use the sub-menus on the navigation panel to configure ZyXEL Device features. The following table describes the sub-menus.Figure 12 Web Configurator: Main Screen "Click the icon (located in the top right corner of most screens) to view embedded help. Use the submenus to configure ZyXEL Device features.Click the Logout icon at any time to exit the web configurator.

Chapter 2 Introducing the Web ConfiguratorP-660HW-Dx v2 User’s Guide 43Table 3 Web Configurator Screens SummaryLINK/ICON SUB-LINK FUNCTIONWizard INTERNET/WIRELESS SETUPUse these screens for initial configuration including general setup, ISP parameters for Internet Access and WAN IP/DNS Server/MAC address assignment.BANDWIDTH MANAGEMENT SETUPUse these screens to limit bandwidth usage by application or packet type. Logout Click this icon to exit the web configurator.Status This screen shows the ZyXEL Device’s general device, system and interface status information. Use this screen to access the summary statistics tables.NetworkWAN Internet ConnectionThis screen allows you to configure ISP parameters, WAN IP address assignment, DNS servers and other advanced properties.More Connections Use this screen to view and configure other connections for placing calls to another remote gateway.WAN Backup SetupUse this screen to configure your traffic redirect properties and WAN backup settings.LAN IP Use this screen to configure LAN TCP/IP settings, enable Any IP and other advanced properties.DHCP Setup Use this screen to configure LAN DHCP settings.Client List Use this screen to view current DHCP client information and to always assign an IP address to a MAC address (and host name).IP Alias Use this screen to partition your LAN interface into subnets.NAT General Use this screen to enable NAT.Port Forwarding Use this screen to configure servers behind the ZyXEL Device.Address Mapping Use this screen to configure network address translation mapping rules.SecurityFirewall General Use this screen to activate/deactivate the firewall and the direction of network traffic to which to apply the rule. Rules This screen shows a summary of the firewall rules, and allows you to edit/add a firewall rule.Anti Probing Use this screen to change your anti-probing settings.Threshold Use this screen to configure the threshold for DoS attacks.Content Filter Keyword Use this screen to block sites containing certain keywords in the URL.Schedule Use this screen to set the days and times for the ZyXEL Device to perform content filtering.Trusted Use this screen to exclude a range of users on the LAN from content filtering on your ZyXEL Device.AdvancedStatic Route Use this screen to configure IP static routes.

Chapter 2 Introducing the Web ConfiguratorP-660HW-Dx v2 User’s Guide442.4.2 Status ScreenThe following summarizes how to navigate the web configurator from the Status screen. Some fields or links are not available if you entered the user password in the login password screen (see Figure 9 on page 40). Not all fields are available on all models.Bandwidth MGMTSummary Use this screen to enable bandwidth management on an interface.Rule Setup Use this screen to define a bandwidth rule. Monitor Use this screen to view the ZyXEL Device’s bandwidth usage and allotments.Dynamic DNS Use this screen to set up dynamic DNS.Remote MGMT WWW Use this screen to configure through which interface(s) and from which IP address(es) users can use HTTPS or HTTP to manage the ZyXEL Device.Te l n e t Use this screen to configure through which interface(s) and from which IP address(es) users can use Telnet to manage the ZyXEL Device.FTP Use this screen to configure through which interface(s) and from which IP address(es) users can use FTP to access the ZyXEL Device.SNMP Use this screen to configure your ZyXEL Device’s settings for Simple Network Management Protocol management.DNS Use this screen to configure through which interface(s) and from which IP address(es) users can send DNS queries to the ZyXEL Device.ICMP Use this screen to change your anti-probing settings.UPnP Use this screen to enable UPnP on the ZyXEL Device.MaintenanceSystem General This screen contains administrative and system-related information and also allows you to change your password.Time Setting Use this screen to change your ZyXEL Device’s time and date.Logs View Log Use this screen to view the logs for the categories that you selected.Log Settings Use this screen to change your ZyXEL Device’s log settings.Tools Firmware Use this screen to upload firmware to your ZyXEL Device.Configuration Use this screen to backup and restore the configuration or reset the factory defaults to your ZyXEL Device.Restart This screen allows you to reboot the ZyXEL Device without turning the power off.Diagnostic General These screens display information to help you identify problems with the ZyXEL Device general connection.DSL Line These screens display information to help you identify problems with the DSL line.Table 3 Web Configurator Screens Summary (continued)LINK/ICON SUB-LINK FUNCTION

Chapter 2 Introducing the Web ConfiguratorP-660HW-Dx v2 User’s Guide 45Figure 13 Status ScreenThe following table describes the labels shown in the Status screen.Table 4 Status ScreenLABEL DESCRIPTIONRefresh Interval Select a number of seconds or None from the drop-down list box to refresh all screen statistics automatically at the end of every time interval or to not refresh the screen statistics.Apply Click this button to refresh the status screen statistics.Device InformationHost Name This is the System Name you enter in the Maintenance > System > General screen. It is for identification purposes.Model Number This is your ZyXEL Device’s model name.MAC Address This is the MAC (Media Access Control) or Ethernet address unique to your ZyXEL Device.ZyNOS Firmware VersionThis is the ZyNOS firmware version and the date created. ZyNOS is ZyXEL's proprietary Network Operating System design.DSL Firmware VersionThis is the DSL firmware version associated with your ZyXEL Device. This is sometimes needed by technicians to help troubleshoot problems.WAN Information DSL Mode This is the standard that your ZyXEL Device is using.IP Address This is the WAN port IP address. IP Subnet Mask This is the WAN port IP subnet mask. Default Gateway This is the IP address of the default gateway, if applicable. VPI/VCI This is the Virtual Path Identifier and Virtual Channel Identifier that you entered in the wizard or WAN screen.LAN InformationIP Address This is the LAN port IP address.

Chapter 2 Introducing the Web ConfiguratorP-660HW-Dx v2 User’s Guide46IP Subnet Mask This is the LAN port IP subnet mask. DHCP This is the WAN port DHCP role - Server, Relay or None. WLAN Information (Wireless devices only)SSID This is the descriptive name used to identify the ZyXEL Device in the wireless LAN.Channel This is the channel number used by the ZyXEL Device now.Security This displays the level of wireless security the ZyXEL Device is using.SecurityFirewall This displays whether or not the ZyXEL Device’s firewall is activated.Content Filter This displays whether or not the ZyXEL Device’s content filtering is activated.System StatusSystem Uptime This is the total time the ZyXEL Device has been on.Current Date/TimeThis field displays your ZyXEL Device’s present date and time.System Mode This displays whether the ZyXEL Device is functioning as a router or a bridge.CPU Usage This number shows how many kilobytes of the heap memory the ZyXEL Device is using. Heap memory refers to the memory that is not used by ZyNOS (ZyXEL Network Operating System) and is thus available for running processes like NAT, VPN and the firewall.The bar displays what percent of the ZyXEL Device's heap memory is in use. The bar turns from green to red when the maximum is being approached.Memory Usage This number shows the ZyXEL Device's total heap memory (in kilobytes). The bar displays what percent of the ZyXEL Device's heap memory is in use. The bar turns from green to red when the maximum is being approached.Interface StatusInterface This displays the ZyXEL Device port types. Status This field displays Down (line is down), Up (line is up or connected) if you're using Ethernet encapsulation and Down (line is down), Up (line is up or connected), Idle (line (ppp) idle), Dial (starting to trigger a call) and Drop (dropping a call) if you're using PPPoE encapsulation.Rate For the LAN ports, this displays the port speed and duplex setting. Ethernet port connections can be in half-duplex or full-duplex mode. Full-duplex refers to a device's ability to send and receive simultaneously, while half-duplex indicates that traffic can flow in only one direction at a time. The Ethernet port must use the same speed or duplex mode setting as the peer Ethernet port in order to connect.For the WAN port, it displays the downstream and upstream transmission rate.SummaryAny IP Table Use this screen to view a list of IP addresses and MAC addresses of computers, which are not in the same subnet as the ZyXEL Device.WLAN Status (Wireless devices only)This screen displays the MAC address(es) of the wireless stations that are currently associating with the ZyXEL Device. Bandwidth Status Use this screen to view the ZyXEL Device’s bandwidth usage and allotments.Packet Statistics Use this screen to view port status and packet specific statistics.Table 4 Status Screen (continued)LABEL DESCRIPTION

Chapter 2 Introducing the Web ConfiguratorP-660HW-Dx v2 User’s Guide 472.4.3 Status: Any IP TableClick the Any IP Table hyperlink in the Status screen. The Any IP table shows current read-only information (including the IP address and the MAC address) of all network devices that use the Any IP feature to communicate with the ZyXEL Device.Figure 14 Status: Any IP TableThe following table describes the labels in this screen.2.4.4 Status: WLAN StatusClick the WLAN Status hyperlink in the Status screen to view the wireless stations that are currently associated to the ZyXEL Device.Figure 15 Status: WLAN StatusTable 5 Status: Any IP TableLABEL DESCRIPTION# This is the index number of the host computer. IP Address This field displays the IP address of the network device.MAC Address This field displays the MAC (Media Access Control) address of the computer with the displayed IP address.Every Ethernet device has a unique MAC address. The MAC address is assigned at the factory and consists of six pairs of hexadecimal characters, for example, 00:A0:C5:00:00:02.Refresh Click Refresh to update this screen.

Chapter 2 Introducing the Web ConfiguratorP-660HW-Dx v2 User’s Guide48The following table describes the labels in this screen.2.4.5 Status: Bandwidth StatusClick the Bandwidth Status hyperlink in the Status screen. Select an interface from the drop-down list box to view the bandwidth usage of its bandwidth rules. The gray section of the bar represents the percentage of unused bandwidth and the blue color represents the percentage of bandwidth in use.Figure 16 Status: Bandwidth Status2.4.6 Status: Packet StatisticsClick the Packet Statistics hyperlink in the Status screen. Read-only information here includes port status and packet specific statistics. Also provided are "system up time" and "poll interval(s)". The Poll Interval(s) field is configurable. Not all fields are available on all modelsTable 6 Status: WLAN StatusLABEL DESCRIPTION# This is the index number of an associated wireless station. MAC Address This field displays the MAC (Media Access Control) address of an associated wireless station.Association TImeThis field displays the time a wireless station first associated with the ZyXEL Device.Refresh Click Refresh to reload this screen.

Chapter 2 Introducing the Web ConfiguratorP-660HW-Dx v2 User’s Guide 49Figure 17 Status: Packet StatisticsThe following table describes the fields in this screen. Table 7 Status: Packet StatisticsLABEL DESCRIPTIONSystem MonitorSystem up Time This is the elapsed time the system has been up.Current Date/Time This field displays your ZyXEL Device’s present date and time.CPU Usage This field specifies the percentage of CPU utilization.Memory Usage This field specifies the percentage of memory utilization. WAN Port StatisticsLink Status This is the status of your WAN link.WAN IP Address This is the IP address of your WAN.Upstream Speed This is the upstream speed of your ZyXEL Device.Downstream Speed This is the downstream speed of your ZyXEL Device.Node-Link This field displays the remote node index number and link type. Link types are PPPoA, ENET, RFC 1483 and PPPoE.Status This field displays Down (line is down), Up (line is up or connected) if you're using Ethernet encapsulation and Down (line is down), Up (line is up or connected), Idle (line (ppp) idle), Dial (starting to trigger a call) and Drop (dropping a call) if you're using PPPoE encapsulation.TxPkts This field displays the number of packets transmitted on this port.RxPkts This field displays the number of packets received on this port.Errors This field displays the number of error packets on this port. Tx B/s This field displays the number of bytes transmitted in the last second.Rx B/s This field displays the number of bytes received in the last second.Up Time This field displays the elapsed time this port has been up.

Chapter 2 Introducing the Web ConfiguratorP-660HW-Dx v2 User’s Guide502.4.7 Changing Login Password It is highly recommended that you periodically change the password for accessing the ZyXEL Device. If you didn’t change the default one after you logged in or you want to change to a new password again, then click Maintenance > System to display the screen shown next. See Table 90 on page 228 for detailed field descriptions.Figure 18 System GeneralLAN Port StatisticsInterface This field displays the type of port.Status This field displays Down (line is down), Up (line is up or connected) if you're using Ethernet encapsulation and Down (line is down), Up (line is up or connected), Idle (line (ppp) idle), Dial (starting to trigger a call) and Drop (dropping a call) if you're using PPPoE encapsulation.TxPkts This field displays the number of packets transmitted on this port.RxPkts This field displays the number of packets received on this port.Collisions This is the number of collisions on this port.Poll Interval(s) Type the time interval for the browser to refresh system statistics.Set Interval Click this button to apply the new poll interval you entered in the Poll Interval field above.Stop Click this button to halt the refreshing of the system statistics.Table 7 Status: Packet Statistics (continued)LABEL DESCRIPTION

51PART IIWizardsWizard Setup for Internet Access (53)Bandwidth Management Wizard (67)

P-660HW-Dx v2 User’s Guide 53CHAPTER 3 Wizard Setup for Internet AccessThis chapter provides information on the Wizard Setup screens for Internet access in the web configurator.3.1 IntroductionUse the wizard setup screens to configure your system for Internet access with the information given to you by your ISP. "See the advanced menu chapters for background information on these fields.3.2 Internet Access Wizard Setup1After you enter the admin password to access the web configurator, select Go to Wizard setup and click Apply. Otherwise, click the wizard icon ( ) in the top right corner of the web configurator to display the wizard main screen. Figure 19 Select a Mode2Click INTERNET/WIRELESS SETUP to configure the system for Internet access.

Chapter 3 Wizard Setup for Internet AccessP-660HW-Dx v2 User’s Guide54Figure 20 Wizard: Welcome3The wizard attempts to detect which WAN connection type you are using. If the wizard detects your connection type and your ISP uses PPPoE or PPPoA, go to Section 3.2.1 on page 55. The screen varies depending on the connection type you use.If the wizard does not detect a connection type and the following screen appears (see Figure 21 on page 54), check your hardware connections and click Restart the Internet/Wireless Setup Wizard to have the ZyXEL Device detect your connection again. Figure 21 Auto Detection: No DSL ConnectionIf the wizard still cannot detect a connection type and the following screen appears (see Figure 22 on page 55), click Next and refer to Section 3.2.2 on page 55 on how to configure the ZyXEL Device for Internet access manually.

Chapter 3 Wizard Setup for Internet AccessP-660HW-Dx v2 User’s Guide 55Figure 22 Auto Detection: Failed3.2.1 Automatic Detection1If you have a PPPoE or PPPoA connection, a screen displays prompting you to enter your Internet account information. Enter the username, password and/or service name exactly as provided. 2Click Next.Figure 23 Auto-Detection: PPPoE3.2.2 Manual Configuration1If the ZyXEL Device fails to detect your DSL connection type, enter the Internet access information given to you by your ISP exactly in the wizard screen. If not given, leave the fields set to the default.

Chapter 3 Wizard Setup for Internet AccessP-660HW-Dx v2 User’s Guide56Figure 24 Internet Access Wizard Setup: ISP ParametersThe following table describes the fields in this screen.2The next wizard screen varies depending on what mode and encapsulation type you use. All screens shown are with routing mode. Configure the fields and click Next to continue. Table 8 Internet Access Wizard Setup: ISP ParametersLABEL DESCRIPTIONMode From the Mode drop-down list box, select Routing (default) if your ISP allows multiple computers to share an Internet account. Otherwise select Bridge. Encapsulation Select the encapsulation type your ISP uses from the Encapsulation drop-down list box. Choices vary depending on what you select in the Mode field. If you select Bridge in the Mode field, select either PPPoA or RFC 1483. If you select Routing in the Mode field, select PPPoA, RFC 1483, ENET ENCAP or PPPoE.Multiplexing Select the multiplexing method used by your ISP from the Multiplex drop-down list box either VC-based or LLC-based. Virtual Circuit IDVPI (Virtual Path Identifier) and VCI (Virtual Channel Identifier) define a virtual circuit. Refer to the appendix for more information.VPI Enter the VPI assigned to you. This field may already be configured.VCI Enter the VCI assigned to you. This field may already be configured.Back Click Back to go back to the previous screen.Next Click Next to continue to the next wizard screen. The next wizard screen you see depends on what protocol you chose above. Exit Click Exit to close the wizard screen without saving your changes.

Chapter 3 Wizard Setup for Internet AccessP-660HW-Dx v2 User’s Guide 57Figure 25 Internet Connection with PPPoEThe following table describes the fields in this screen.Figure 26 Internet Connection with RFC 1483The following table describes the fields in this screen.Table 9 Internet Connection with PPPoELABEL DESCRIPTIONUser Name Enter the user name exactly as your ISP assigned. If assigned a name in the form user@domain where domain identifies a service name, then enter both components exactly as given.Password Enter the password associated with the user name above.Service Name Type the name of your PPPoE service here.Back Click Back to go back to the previous wizard screen.Apply Click Apply to save your changes to the ZyXEL Device.Exit Click Exit to close the wizard screen without saving your changes.Table 10 Internet Connection with RFC 1483LABEL DESCRIPTIONIP Address This field is available if you select Routing in the Mode field.Type your ISP assigned IP address in this field. Back Click Back to go back to the previous wizard screen.

Chapter 3 Wizard Setup for Internet AccessP-660HW-Dx v2 User’s Guide58Figure 27 Internet Connection with ENET ENCAPThe following table describes the fields in this screen.Next Click Next to continue to the next wizard screen.Exit Click Exit to close the wizard screen without saving your changes.Table 11 Internet Connection with ENET ENCAPLABEL DESCRIPTIONObtain an IP Address AutomaticallyA static IP address is a fixed IP that your ISP gives you. A dynamic IP address is not fixed; the ISP assigns you a different one each time you connect to the Internet.Select Obtain an IP Address Automatically if you have a dynamic IP address.Static IP AddressSelect Static IP Address if your ISP gives you a fixed IP address.IP Address Enter your ISP assigned IP address.Subnet Mask Enter a subnet mask in dotted decimal notation. Refer to the appendices to calculate a subnet mask If you are implementing subnetting.Gateway IP addressYou must specify a gateway IP address (supplied by your ISP) when you use ENET ENCAP in the Encapsulation field in the previous screen.First DNS ServerEnter the IP addresses of the DNS servers. The DNS servers are passed to the DHCP clients along with the IP address and the subnet mask.Second DNS ServerAs above.Back Click Back to go back to the previous wizard screen.Apply Click Apply to save your changes to the ZyXEL Device.Exit Click Exit to close the wizard screen without saving your changes.Table 10 Internet Connection with RFC 1483 (continued)LABEL DESCRIPTION

Chapter 3 Wizard Setup for Internet AccessP-660HW-Dx v2 User’s Guide 59Figure 28 Internet Connection with PPPoAThe following table describes the fields in this screen.• If the user name and/or password you entered for PPPoE or PPPoA connection are not correct, the screen displays as shown next. Click Back to Username and Password setup to go back to the screen where you can modify them.Figure 29 Connection Test Failed-1• If the following screen displays, check if your account is activated or click Restart the Internet/Wireless Setup Wizard to verify your Internet access settings. Table 12 Internet Connection with PPPoALABEL DESCRIPTIONUser Name Enter the login name that your ISP gives you. Password Enter the password associated with the user name above.Back Click Back to go back to the previous wizard screen.Apply Click Apply to save your changes to the ZyXEL Device.Exit Click Exit to close the wizard screen without saving your changes.

Chapter 3 Wizard Setup for Internet AccessP-660HW-Dx v2 User’s Guide60Figure 30 Connection Test Failed-2.3.3 Wireless Connection Wizard SetupAfter you configure the Internet access information, use the following screens to set up your wireless LAN. 1Select Ye s and click Next to configure wireless settings. Otherwise, select No and skip to Step 6.Figure 31 Connection Test Successful2Use this screen to activate the wireless LAN and OTIST. Click Next to continue.

Chapter 3 Wizard Setup for Internet AccessP-660HW-Dx v2 User’s Guide 61Figure 32 Wireless LAN Setup Wizard 1The following table describes the labels in this screen.3Configure your wireless settings in this screen. Click Next.Table 13 Wireless LAN Setup Wizard 1LABEL DESCRIPTIONActive Select the check box to turn on the wireless LAN. Enable OTIST Select the check box to enable OTIST if you want to transfer your ZyXEL Device’s SSID and WPA-PSK security settings to wireless clients that support OTIST and are within transmission range.You must also activate and start OTIST on the wireless client at the same time. The process takes three minutes to complete.Note: Enable OTIST only if your wireless clients support WPA and OTIST.Setup Key Type an OTIST Setup Key of up to eight ASCII characters in length. Be sure to use the same OTIST Setup Key on the ZyXEL Device and wireless clients.Back Click Back to display the previous screen.Next Click Next to proceed to the next screen. Exit Click Exit to close the wizard screen without saving.

Chapter 3 Wizard Setup for Internet AccessP-660HW-Dx v2 User’s Guide62Figure 33 Wireless LAN Setup Wizard 2The following table describes the labels in this screen.Table 14 Wireless LAN Setup Wizard 2LABEL DESCRIPTIONNetwork Name(SSID)Enter a descriptive name (up to 32 printable 7-bit ASCII characters) for the wireless LAN. If you change this field on the ZyXEL Device, make sure all wireless stations use the same SSID in order to access the network. Channel SelectionThe range of radio frequencies used by IEEE 802.11b/g wireless devices is called a channel. Select a channel ID that is not already in use by a neighboring device.Security Select Automatically assign a WPA key (Recommended) to have the ZyXEL Device create a pre-shared key (WPA-PSK) automatically only if your wireless clients support WPA and OTIST. This option is available only when you enable OTIST in the previous wizard screen.Select Manually assign a WPA-PSK key to configure a pre-shared key (WPA-PSK). Choose this option only if your wireless clients support WPA. See Section 3.3.1 on page 63 for more information.Select Manually assign a WEP key to configure a WEP Key. See Section 3.3.2 on page 63 for more information.Select Disable wireless security to have no wireless LAN security configured and your network is accessible to any wireless networking device that is within range.Note: If you enable OTIST in the previous wizard screen but select Disable wireless security here, the ZyXEL Device still creates a pre-shared key (WPA-PSK) automatically.If you enable OTIST and select Manually assign a WEP key, the ZyXEL Device will replace the WEP key with a WPA-PSK.Back Click Back to display the previous screen.Next Click Next to proceed to the next screen. Exit Click Exit to close the wizard screen without saving.

Chapter 3 Wizard Setup for Internet AccessP-660HW-Dx v2 User’s Guide 63"The wireless stations and ZyXEL Device must use the same SSID, channel ID and WEP encryption key (if WEP is enabled), WPA-PSK (if WPA-PSK is enabled) for wireless communication.4This screen varies depending on the security mode you selected in the previous screen. Fill in the field (if available) and click Next.3.3.1 Manually assign a WPA-PSK keyChoose Manually assign a WPA-PSK key in the Wireless LAN setup screen to set up a Pre-Shared Key.Figure 34 Manually assign a WPA keyThe following table describes the labels in this screen. 3.3.2 Manually assign a WEP keyChoose Manually assign a WEP key to setup WEP Encryption parameters.Table 15 Manually assign a WPA keyLABEL DESCRIPTIONPre-Shared KeyType from 8 to 63 case-sensitive ASCII characters. You can set up the most secure wireless connection by configuring WPA in the wireless LAN screens. You need to configure an authentication server to do this.Back Click Back to display the previous screen.Next Click Next to proceed to the next screen. Exit Click Exit to close the wizard screen without saving.

Chapter 3 Wizard Setup for Internet AccessP-660HW-Dx v2 User’s Guide64Figure 35 Manually assign a WEP keyThe following table describes the labels in this screen.5Click Apply to save your wireless LAN settings.Figure 36 Wireless LAN Setup 3Table 16 Manually assign a WEP keyLABEL DESCRIPTIONKey The WEP keys are used to encrypt data. Both the ZyXEL Device and the wireless stations must use the same WEP key for data transmission.Enter any 5, 13 or 29 ASCII characters or 10, 26 or 58 hexadecimal characters ("0-9", "A-F") for a 64-bit, 128-bit or 256-bit WEP key respectively.Back Click Back to display the previous screen.Next Click Next to proceed to the next screen. Exit Click Exit to close the wizard screen without saving.

Chapter 3 Wizard Setup for Internet AccessP-660HW-Dx v2 User’s Guide 656Use the read-only summary table to check whether what you have configured is correct. Click Finish to complete and save the wizard setup.Figure 37 Internet Access and WLAN Wizard Setup Complete7Launch your web browser and navigate to www.zyxel.com. Internet access is just the beginning. Refer to the rest of this guide for more detailed information on the complete range of ZyXEL Device features. If you cannot access the Internet, open the web configurator again to confirm that the Internet settings you configured in the wizard setup are correct.

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P-660HW-Dx v2 User’s Guide 67CHAPTER 4 Bandwidth Management WizardThis chapter shows you how to configure basic bandwidth management using the wizard screens.4.1 IntroductionBandwidth management allows you to control the amount of bandwidth going out through the ZyXEL Device’s WAN port and prioritize the distribution of the bandwidth according to service bandwidth requirements. This helps keep one service from using all of the available bandwidth and shutting out other users.4.2 Predefined Media Bandwidth Management ServicesThe following is a description of the services that you can select and to which you can apply media bandwidth management using the wizard screens. Table 17 Media Bandwidth Management Setup: ServicesSERVICE DESCRIPTIONWWW The World Wide Web (WWW) is an Internet system to distribute graphical, hyper-linked information, based on Hyper Text Transfer Protocol (HTTP) - a client/server protocol for the World Wide Web. The Web is not synonymous with the Internet; rather, it is just one service on the Internet. Other services on the Internet include Internet Relay Chat and Newsgroups. The Web is accessed through use of a browser.FTP File Transfer Protocol enables fast transfer of files, including large files that may not be possible by e-mail. FTP uses port number 21.E-Mail Electronic mail consists of messages sent through a computer network to specific groups or individuals. Here are some default ports for e-mail: POP3 - port 110IMAP - port 143SMTP - port 25HTTP - port 80Telnet Telnet is the login and terminal emulation protocol common on the Internet and in UNIX environments. It operates over TCP/IP networks. Its primary function is to allow users to log into remote host systems. Telnet uses TCP port 23.

Chapter 4 Bandwidth Management WizardP-660HW-Dx v2 User’s Guide684.3 Bandwidth Management Wizard Setup1After you enter the admin password to access the web configurator, select Go to Wizard setup and click Apply. Otherwise, click the wizard icon ( ) in the top right corner of the web configurator to display the wizard main screen. Figure 38 Select a ModeNetMeeting (H.323)A multimedia communications product from Microsoft that enables groups to teleconference and videoconference over the Internet. NetMeeting supports VoIP, text chat sessions, a whiteboard, file transfers and application sharing. NetMeeting uses H.323. H.323 is a standard teleconferencing protocol suite that provides audio, data and video conferencing. It allows for real-time point-to-point and multipoint communication between client computers over a packet-based network that does not provide a guaranteed quality of service. H.323 is transported primarily over TCP, using the default port number 1720. VoIP (SIP) Sending voice signals over the Internet is called Voice over IP or VoIP. Session Initiated Protocol (SIP) is an internationally recognized standard for implementing VoIP. SIP is an application-layer control (signaling) protocol that handles the setting up, altering and tearing down of voice and multimedia sessions over the Internet.SIP is transported primarily over UDP but can also be transported over TCP, using the default port number 5060. VoIP (H.323) Sending voice signals over the Internet is called Voice over IP or VoIP. H.323 is a standard teleconferencing protocol suite that provides audio, data and video conferencing. It allows for real-time point-to-point and multipoint communication between client computers over a packet-based network that does not provide a guaranteed quality of service. H.323 is transported primarily over TCP, using the default port number 1720. TFTP Trivial File Transfer Protocol is an Internet file transfer protocol similar to FTP, but uses the UDP (User Datagram Protocol) rather than TCP (Transmission Control Protocol).Table 17 Media Bandwidth Management Setup: Services (continued)SERVICE DESCRIPTION

Chapter 4 Bandwidth Management WizardP-660HW-Dx v2 User’s Guide 692Click BANDWIDTH MANAGEMENT SETUP to configure the system for Internet access.Figure 39 Wizard: Welcome3Activate bandwidth management and select to allocate bandwidth to packets based on the service requirements.Figure 40 Bandwidth Management Wizard: General InformationThe following fields describe the label in this screen.Table 18 Bandwidth Management Wizard: General InformationLABEL DESCRIPTIONActive Select the Active check box to have the ZyXEL Device apply bandwidth management to traffic going out through the ZyXEL Device’s port(s).Select Services Setup to allocate bandwidth based on the service requirements.Back Click Back to display the previous screen.

Chapter 4 Bandwidth Management WizardP-660HW-Dx v2 User’s Guide704Use the second wizard screen to select the services that you want to apply bandwidth management and select the priorities that you want to apply to the services listed.Figure 41 Bandwidth Management Wizard: ConfigurationThe following table describes the labels in this screen.Next Click Next to proceed to the next screen. Exit Click Exit to close the wizard screen without saving.Table 19 Bandwidth Management Wizard: ConfigurationLABEL DESCRIPTIONActive Select an entry’s Active check box to turn on bandwidth management for the service/application.Service These fields display the services names.Priority Select High, Mid or Low priority for each service to have your ZyXEL Device use a priority for traffic that matches that service. A service with High priority is given as much bandwidth as it needs. If you select services as having the same priority, then bandwidth is divided equally amongst those services. Services not specified in bandwidth management are allocated bandwidth after all specified services receive their bandwidth requirements.If the rules set up in this wizard are changed in Advanced > Bandwidth MGMT > Rule Setup, then the service priority radio button will be set to User Configured.The Advanced > Bandwidth MGMT > Rule Setup screen allows you to edit these rule configurations.Back Click Back to go back to the previous wizard screen.Table 18 Bandwidth Management Wizard: General InformationLABEL DESCRIPTION

Chapter 4 Bandwidth Management WizardP-660HW-Dx v2 User’s Guide 715Follow the on-screen instructions and click Finish to complete the wizard setup and save your configuration.Figure 42 Bandwidth Management Wizard: CompleteApply Click Apply to save your changes to the ZyXEL Device.Exit Click Exit to close the wizard screen without saving your changes.Table 19 Bandwidth Management Wizard: ConfigurationLABEL DESCRIPTION

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73PART III NetworkWA N Se tu p ( 75 )LAN Setup (93)Wireless LAN (105)Network Address Translation (NAT) Screens (129)

P-660HW-Dx v2 User’s Guide 75CHAPTER 5 WAN SetupThis chapter describes how to configure WAN settings.5.1 WAN Overview A WAN (Wide Area Network) is an outside connection to another network or the Internet.5.1.1 EncapsulationBe sure to use the encapsulation method required by your ISP. The ZyXEL Device supports the following methods.5.1.1.1 ENET ENCAPThe MAC Encapsulated Routing Link Protocol (ENET ENCAP) is only implemented with the IP network protocol. IP packets are routed between the Ethernet interface and the WAN interface and then formatted so that they can be understood in a bridged environment. For instance, it encapsulates routed Ethernet frames into bridged ATM cells. ENET ENCAP requires that you specify a gateway IP address in the ENET ENCAP Gateway field in the second wizard screen. You can get this information from your ISP.5.1.1.2 PPP over EthernetPPPoE (Point-to-Point Protocol over Ethernet) provides access control and billing functionality in a manner similar to dial-up services using PPP. PPPoE is an IETF standard (RFC 2516) specifying how a personal computer (PC) interacts with a broadband modem (DSL, cable, etc.) connection. For the service provider, PPPoE offers an access and authentication method that works with existing access control systems (for example RADIUS).One of the benefits of PPPoE is the ability to let you access one of multiple network services, a function known as dynamic service selection. This enables the service provider to easily create and offer new IP services for individuals.Operationally, PPPoE saves significant effort for both you and the ISP or carrier, as it requires no specific configuration of the broadband modem at the customer site.By implementing PPPoE directly on the ZyXEL Device (rather than individual computers), the computers on the LAN do not need PPPoE software installed, since the ZyXEL Device does that part of the task. Furthermore, with NAT, all of the LANs’ computers will have access.

Chapter 5 WAN SetupP-660HW-Dx v2 User’s Guide765.1.1.3 PPPoAPPPoA stands for Point to Point Protocol over ATM Adaptation Layer 5 (AAL5). A PPPoA connection functions like a dial-up Internet connection. The ZyXEL Device encapsulates the PPP session based on RFC1483 and sends it through an ATM PVC (Permanent Virtual Circuit) to the Internet Service Provider’s (ISP) DSLAM (digital access multiplexer). Please refer to RFC 2364 for more information on PPPoA. Refer to RFC 1661 for more information on PPP.5.1.1.4 RFC 1483RFC 1483 describes two methods for Multiprotocol Encapsulation over ATM Adaptation Layer 5 (AAL5). The first method allows multiplexing of multiple protocols over a single ATM virtual circuit (LLC-based multiplexing) and the second method assumes that each protocol is carried over a separate ATM virtual circuit (VC-based multiplexing). Please refer to the RFC for more detailed information.5.1.2 MultiplexingThere are two conventions to identify what protocols the virtual circuit (VC) is carrying. Be sure to use the multiplexing method required by your ISP.5.1.2.1 VC-based MultiplexingIn this case, by prior mutual agreement, each protocol is assigned to a specific virtual circuit; for example, VC1 carries IP, etc. VC-based multiplexing may be dominant in environments where dynamic creation of large numbers of ATM VCs is fast and economical.5.1.2.2 LLC-based MultiplexingIn this case one VC carries multiple protocols with protocol identifying information being contained in each packet header. Despite the extra bandwidth and processing overhead, this method may be advantageous if it is not practical to have a separate VC for each carried protocol, for example, if charging heavily depends on the number of simultaneous VCs.5.1.3 Encapsulation and Multiplexing ScenariosFor Internet access you should use the encapsulation and multiplexing methods used by your ISP. Consult your telephone company for information on encapsulation and multiplexing methods for LAN-to-LAN applications, for example between a branch office and corporate headquarters. There must be prior agreement on encapsulation and multiplexing methods because they cannot be automatically determined. What method(s) you use also depends on how many VCs you have and how many different network protocols you need. The extra overhead that ENET ENCAP encapsulation entails makes it a poor choice in a LAN-to-LAN application. Here are some examples of more suitable combinations in such an application.5.1.3.1 Scenario 1: One VC, Multiple ProtocolsPPPoA (RFC-2364) encapsulation with VC-based multiplexing is the best combination because no extra protocol identifying headers are needed. The PPP protocol already contains this information.

Chapter 5 WAN SetupP-660HW-Dx v2 User’s Guide 775.1.3.2 Scenario 2: One VC, One Protocol (IP)Selecting RFC-1483 encapsulation with VC-based multiplexing requires the least amount of overhead (0 octets). However, if there is a potential need for multiple protocol support in the future, it may be safer to select PPPoA encapsulation instead of RFC-1483, so you do not need to reconfigure either computer later.5.1.3.3 Scenario 3: Multiple VCsIf you have an equal number (or more) of VCs than the number of protocols, then select RFC-1483 encapsulation and VC-based multiplexing.5.1.4 VPI and VCIBe sure to use the correct Virtual Path Identifier (VPI) and Virtual Channel Identifier (VCI) numbers assigned to you. The valid range for the VPI is 0 to 255 and for the VCI is 32 to 65535 (0 to 31 is reserved for local management of ATM traffic). Please see the appendix for more information.5.1.5 IP Address AssignmentA static IP is a fixed IP that your ISP gives you. A dynamic IP is not fixed; the ISP assigns you a different one each time. The Single User Account feature can be enabled or disabled if you have either a dynamic or static IP. However the encapsulation method assigned influences your choices for IP address and ENET ENCAP gateway.5.1.5.1 IP Assignment with PPPoA or PPPoE EncapsulationIf you have a dynamic IP, then the IP Address and ENET ENCAP Gateway fields are not applicable (N/A). If you have a static IP, then you only need to fill in the IP Address field and not the ENET ENCAP Gateway field.5.1.5.2 IP Assignment with RFC 1483 EncapsulationIn this case the IP Address Assignment must be static with the same requirements for the IP Address and ENET ENCAP Gateway fields as stated above.5.1.5.3 IP Assignment with ENET ENCAP EncapsulationIn this case you can have either a static or dynamic IP. For a static IP you must fill in all the IP Address and ENET ENCAP Gateway fields as supplied by your ISP. However for a dynamic IP, the ZyXEL Device acts as a DHCP client on the WAN port and so the IP Address and ENET ENCAP Gateway fields are not applicable (N/A) as the DHCP server assigns them to the ZyXEL Device.5.1.6 Nailed-Up Connection (PPP)A nailed-up connection is a dial-up line where the connection is always up regardless of traffic demand. The ZyXEL Device does two things when you specify a nailed-up connection. The first is that idle timeout is disabled. The second is that the ZyXEL Device will try to bring up the connection when turned on and whenever the connection is down. A nailed-up connection can be very expensive for obvious reasons.

Chapter 5 WAN SetupP-660HW-Dx v2 User’s Guide78Do not specify a nailed-up connection unless your telephone company offers flat-rate service or you need a constant connection and the cost is of no concern5.1.7 NATNAT (Network Address Translation - NAT, RFC 1631) is the translation of the IP address of a host in a packet, for example, the source address of an outgoing packet, used within one network to a different IP address known within another network.5.2 Metric The metric represents the "cost of transmission". A router determines the best route for transmission by choosing a path with the lowest "cost". RIP routing uses hop count as the measurement of cost, with a minimum of "1" for directly connected networks. The number must be between "1" and "15"; a number greater than "15" means the link is down. The smaller the number, the lower the "cost".The metric sets the priority for the ZyXEL Device’s routes to the Internet. If any two of the default routes have the same metric, the ZyXEL Device uses the following pre-defined priorities:• Normal route: designated by the ISP (see Section 5.5 on page 80) • Traffic-redirect route (see Section 5.7 on page 89)• WAN-backup route, also called dial-backup (see Section 5.8 on page 89)For example, if the normal route has a metric of "1" and the traffic-redirect route has a metric of "2" and dial-backup route has a metric of "3", then the normal route acts as the primary default route. If the normal route fails to connect to the Internet, the ZyXEL Device tries the traffic-redirect route next. In the same manner, the ZyXEL Device uses the dial-backup route if the traffic-redirect route also fails. If you want the dial-backup route to take first priority over the traffic-redirect route or even the normal route, all you need to do is set the dial-backup route’s metric to "1" and the others to "2" (or greater).IP Policy Routing overrides the default routing behavior and takes priority over all of the routes mentioned above.5.3 Traffic ShapingTraffic Shaping is an agreement between the carrier and the subscriber to regulate the average rate and fluctuations of data transmission over an ATM network. This agreement helps eliminate congestion, which is important for transmission of real time data such as audio and video connections.Peak Cell Rate (PCR) is the maximum rate at which the sender can send cells. This parameter may be lower (but not higher) than the maximum line speed. 1 ATM cell is 53 bytes (424 bits), so a maximum speed of 832Kbps gives a maximum PCR of 1962 cells/sec. This rate is not guaranteed because it is dependent on the line speed.

Chapter 5 WAN SetupP-660HW-Dx v2 User’s Guide 79Sustained Cell Rate (SCR) is the mean cell rate of each bursty traffic source. It specifies the maximum average rate at which cells can be sent over the virtual connection. SCR may not be greater than the PCR.Maximum Burst Size (MBS) is the maximum number of cells that can be sent at the PCR. After MBS is reached, cell rates fall below SCR until cell rate averages to the SCR again. At this time, more cells (up to the MBS) can be sent at the PCR again.If the PCR, SCR or MBS is set to the default of "0", the system will assign a maximum value that correlates to your upstream line rate. The following figure illustrates the relationship between PCR, SCR and MBS. Figure 43 Example of Traffic Shaping5.3.1 ATM Traffic ClassesThese are the basic ATM traffic classes defined by the ATM Forum Traffic Management 4.0 Specification. 5.3.1.1 Constant Bit Rate (CBR)Constant Bit Rate (CBR) provides fixed bandwidth that is always available even if no data is being sent. CBR traffic is generally time-sensitive (doesn't tolerate delay). CBR is used for connections that continuously require a specific amount of bandwidth. A PCR is specified and if traffic exceeds this rate, cells may be dropped. Examples of connections that need CBR would be high-resolution video and voice.5.3.1.2 Variable Bit Rate (VBR) The Variable Bit Rate (VBR) ATM traffic class is used with bursty connections. Connections that use the Variable Bit Rate (VBR) traffic class can be grouped into real time (VBR-RT) or non-real time (VBR-nRT) connections. The VBR-RT (real-time Variable Bit Rate) type is used with bursty connections that require closely controlled delay and delay variation. It also provides a fixed amount of bandwidth (a PCR is specified) but is only available when data is being sent. An example of an VBR-RT connection would be video conferencing. Video conferencing requires real-time data transfers and the bandwidth requirement varies in proportion to the video image's changing dynamics.

Chapter 5 WAN SetupP-660HW-Dx v2 User’s Guide80The VBR-nRT (non real-time Variable Bit Rate) type is used with bursty connections that do not require closely controlled delay and delay variation. It is commonly used for "bursty" traffic typical on LANs. PCR and MBS define the burst levels, SCR defines the minimum level. An example of an VBR-nRT connection would be non-time sensitive data file transfers.5.3.1.3 Unspecified Bit Rate (UBR)The Unspecified Bit Rate (UBR) ATM traffic class is for bursty data transfers. However, UBR doesn't guarantee any bandwidth and only delivers traffic when the network has spare bandwidth. An example application is background file transfer.5.4 Zero Configuration Internet AccessOnce you turn on and connect the ZyXEL Device to a telephone jack, it automatically detects the Internet connection settings (such as the VCI/VPI numbers and the encapsulation method) from the ISP and makes the necessary configuration changes. In cases where additional account information (such as an Internet account user name and password) is required or the ZyXEL Device cannot connect to the ISP, you will be redirected to web screen(s) for information input or troubleshooting.Zero configuration for Internet access is disable when • the ZyXEL Device is in bridge mode• you set the ZyXEL Device to use a static (fixed) WAN IP address. 5.5 Internet Connection To change your ZyXEL Device’s WAN Internet access settings, click Network > WAN. The screen differs by the encapsulation. See Section 5.1 on page 75 for more information.

Chapter 5 WAN SetupP-660HW-Dx v2 User’s Guide 81Figure 44 Internet Connection (PPPoE)The following table describes the labels in this screen. Table 20 Internet ConnectionLABEL DESCRIPTIONGeneralName Enter the name of your Internet Service Provider, e.g., MyISP. This information is for identification purposes only.Mode Select Routing (default) from the drop-down list box if your ISP allows multiple computers to share an Internet account. Otherwise select Bridge. Encapsulation Select the method of encapsulation used by your ISP from the drop-down list box. Choices vary depending on the mode you select in the Mode field. If you select Bridge in the Mode field, select either PPPoA or RFC 1483. If you select Routing in the Mode field, select PPPoA, RFC 1483, ENET ENCAP or PPPoE.User Name (PPPoA and PPPoE encapsulation only) Enter the user name exactly as your ISP assigned. If assigned a name in the form user@domain where domain identifies a service name, then enter both components exactly as given.Password (PPPoA and PPPoE encapsulation only) Enter the password associated with the user name above.Service Name (PPPoE only) Type the name of your PPPoE service here.Multiplexing Select the method of multiplexing used by your ISP from the drop-down list. Choices are VC or LLC.Virtual Circuit ID VPI (Virtual Path Identifier) and VCI (Virtual Channel Identifier) define a virtual circuit. Refer to the appendix for more information.

Chapter 5 WAN SetupP-660HW-Dx v2 User’s Guide825.5.1 Configuring Advanced Internet Connection Setup To edit your ZyXEL Device's advanced WAN settings, click the Advanced Setup button in the Internet Connection screen. The screen appears as shown.VPI The valid range for the VPI is 0 to 255. Enter the VPI assigned to you.VCI The valid range for the VCI is 32 to 65535 (0 to 31 is reserved for local management of ATM traffic). Enter the VCI assigned to you.IP Address This option is available if you select Routing in the Mode field.Obtain an IP Address AutomaticallySelect this if you get a dynamic IP address from your Internet Service Provider (ISP). A dynamic IP address is not fixed; your ISP assigns you a different one each time you connect to the Internet. This option is not available if you select RFC 1483 in the Encapsulation field.Static IP Address Select this if your ISP gave you a fixed IP address. Enter the IP address you were given in the IP Address field.IP Address If your ISP gave you an IP address to use, enter it here.Subnet Mask (ENET ENCAP encapsulation only)Enter a subnet mask in dotted decimal notation. Refer to the appendices to calculate a subnet mask If you are implementing subnetting.Gateway IP address(ENET ENCAP encapsulation only)You must specify a gateway IP address (supplied by your ISP) when you select ENET ENCAP in the Encapsulation fieldConnection (PPPoA and PPPoE encapsulation only)Nailed-Up ConnectionSelect Nailed-Up Connection when you want your connection up all the time. The ZyXEL Device will try to bring up the connection automatically if it is disconnected.Connect on DemandSelect Connect on Demand when you don't want the connection up all the time and specify an idle time-out in the Max Idle Timeout field.Max Idle Timeout Specify an idle time-out in the Max Idle Timeout field when you select Connect on Demand. The default setting is 0, which means the Internet session will not timeout.Apply Click Apply to save the changes. Cancel Click Cancel to begin configuring this screen afresh.Advanced Setup Click this button to display the Advanced Internet Connection Setup screen and edit more details of your WAN setup.Table 20 Internet Connection (continued)LABEL DESCRIPTION

Chapter 5 WAN SetupP-660HW-Dx v2 User’s Guide 83Figure 45 Advanced Internet Connection SetupThe following table describes the labels in this screen. Table 21 Advanced Internet Connection SetupLABEL DESCRIPTIONRIP & Multicast SetupRIP Direction Select the RIP direction from None, Both, In Only and Out Only.RIP Version Select the RIP version from RIP-1, RIP-2B and RIP-2M.Multicast IGMP (Internet Group Multicast Protocol) is a network-layer protocol used to establish membership in a multicast group. The ZyXEL Device supports both IGMP version 1 (IGMP-v1) and IGMP-v2. Select None to disable it.ATM QoSATM QoS Type Select CBR (Continuous Bit Rate) to specify fixed (always-on) bandwidth for voice or data traffic. Select UBR (Unspecified Bit Rate) for applications that are non-time sensitive, such as e-mail. Select VBR-nRT (Variable Bit Rate-non Real Time) or VBR-RT (Variable Bit Rate-Real Time) for bursty traffic and bandwidth sharing with other applications. Peak Cell Rate Divide the DSL line rate (bps) by 424 (the size of an ATM cell) to find the Peak Cell Rate (PCR). This is the maximum rate at which the sender can send cells. Type the PCR here.Sustain Cell Rate The Sustain Cell Rate (SCR) sets the average cell rate (long-term) that can be transmitted. Type the SCR, which must be less than the PCR. Note that system default is 0 cells/sec. Maximum Burst SizeMaximum Burst Size (MBS) refers to the maximum number of cells that can be sent at the peak rate. Type the MBS, which is less than 65535.

Chapter 5 WAN SetupP-660HW-Dx v2 User’s Guide845.6 Configuring More ConnectionsThis section describes the protocol-independent parameters for a remote network. They are required for placing calls to a remote gateway and the network behind it across a WAN connection. When you use the WAN > Internet Connection screen to set up Internet access, you are configuring the first WAN connection.Click Network > WAN > More Connections to display the screen as shown next.Figure 46 More ConnectionsZero ConfigurationThis feature is not applicable/available when you configure the ZyXEL Device to use a static WAN IP address or in bridge mode. Select Yes to set the ZyXEL Device to automatically detect the Internet connection settings (such as the VCI/VPI numbers and the encapsulation method) from the ISP and make the necessary configuration changes.Select No to disable this feature. You must manually configure the ZyXEL Device for Internet access. PPPoE PassthroughThis feature is available when you select PPPoE encapsulation. In addition to the ZyXEL Device's built-in PPPoE client, you can enable PPPoE pass through to allow up to ten hosts on the LAN to use PPPoE client software on their computers to connect to the ISP via the ZyXEL Device. Each host can have a separate account and a public WAN IP address. PPPoE pass through is an alternative to NAT for application where NAT is not appropriate.Disable PPPoE pass through if you do not need to allow hosts on the LAN to use PPPoE client software on their computers to connect to the ISP.Back Click Back to return to the previous screen.Apply Click Apply to save the changes. Cancel Click Cancel to begin configuring this screen afresh.Table 21 Advanced Internet Connection Setup (continued)LABEL DESCRIPTION

Chapter 5 WAN SetupP-660HW-Dx v2 User’s Guide 85The following table describes the labels in this screen.5.6.1 More Connections Edit Click the edit icon ( ) in the More Connections screen to configure a connection.Table 22 More ConnectionsLABEL DESCRIPTION# This is the index number of a connection.Active This display whether this connection is activated. Clear the check box to disable the connection. Select the check box to enable it.Name This is the descriptive name for this connection.VPI/VCI This is the VPI and VCI values used for this connection.Encapsulation This is the method of encapsulation used for this connection.Modify The first (ISP) connection is read-only in this screen. Use the WAN > Internet Connection screen to edit it.Click the edit icon to go to the screen where you can edit the connection.Click the delete icon to remove an existing connection. You cannot remove the first connection.Apply Click Apply to save the changes. Cancel Click Cancel to begin configuring this screen afresh.

Chapter 5 WAN SetupP-660HW-Dx v2 User’s Guide86Figure 47 More Connections EditThe following table describes the labels in this screen. Table 23 More Connections EditLABEL DESCRIPTIONActive Select the check box to activate or clear the check box to deactivate this connection.Name Enter a unique, descriptive name of up to 13 ASCII characters for this connection.Mode Select Routing from the drop-down list box if your ISP allows multiple computers to share an Internet account. If you select Bridge, the ZyXEL Device will forward any packet that it does not route to this remote node; otherwise, the packets are discarded.Encapsulation Select the method of encapsulation used by your ISP from the drop-down list box. Choices are PPPoA, RFC 1483, ENET ENCAP or PPPoE.User Name (PPPoA and PPPoE encapsulation only) Enter the user name exactly as your ISP assigned. If assigned a name in the form user@domain where domain identifies a service name, then enter both components exactly as given.Password (PPPoA and PPPoE encapsulation only) Enter the password associated with the user name above.Service Name (PPPoE only) Type the name of your PPPoE service here.

Chapter 5 WAN SetupP-660HW-Dx v2 User’s Guide 87Multiplexing Select the method of multiplexing used by your ISP from the drop-down list. Choices are VC or LLC.By prior agreement, a protocol is assigned a specific virtual circuit, for example, VC1 will carry IP. If you select VC, specify separate VPI and VCI numbers for each protocol.For LLC-based multiplexing or PPP encapsulation, one VC carries multiple protocols with protocol identifying information being contained in each packet header. In this case, only one set of VPI and VCI numbers need be specified for all protocols.VPI The valid range for the VPI is 0 to 255. Enter the VPI assigned to you.VCI The valid range for the VCI is 32 to 65535 (0 to 31 is reserved for local management of ATM traffic). Enter the VCI assigned to you.IP Address This option is available if you select Routing in the Mode field.Obtain an IP Address AutomaticallySelect this if you get a dynamic IP address from your Internet Service Provider (ISP). A dynamic IP address is not fixed; your ISP assigns you a different one each time you connect to the Internet. This option is not available if you select RFC 1483 in the Encapsulation field.Static IP Address Select this if your ISP gave you a fixed IP address. Enter the IP address you were given in the IP Address field.IP Address If your ISP gave you an IP address to use, enter it here.Subnet Mask Enter a subnet mask in dotted decimal notation. Refer to the appendices to calculate a subnet mask If you are implementing subnetting.Gateway IP address Specify a gateway IP address (supplied by your ISP).ConnectionNailed-Up ConnectionSelect Nailed-Up Connection when you want your connection up all the time. The ZyXEL Device will try to bring up the connection automatically if it is disconnected.Connect on DemandSelect Connect on Demand when you don't want the connection up all the time and specify an idle time-out in the Max Idle Timeout field.Max Idle Timeout Specify an idle time-out in the Max Idle Timeout field when you select Connect on Demand. The default setting is 0, which means the Internet session will not timeout.NAT NAT is the translation of the IP address of a host in a packet, for example, the source address of an outgoing packet, used within one network to a different IP address known within another network.None Select None to disable NAT.SUA Only SUA only is available only when you select Routing in the Mode field.Select SUA Only if you have one public IP address and want to use NAT. Click Edit to go to the Port Forwarding screen to edit a server mapping set. Back Click Back to return to the previous screen.Apply Click Apply to save the changes. Cancel Click Cancel to begin configuring this screen afresh.Advanced Setup Click this button to display the More Connections Advanced screen and edit more details of your WAN setup.Table 23 More Connections Edit (continued)LABEL DESCRIPTION

Chapter 5 WAN SetupP-660HW-Dx v2 User’s Guide885.6.2 Configuring More Connections Advanced Setup To edit your ZyXEL Device's advanced WAN settings, click the Advanced Setup button in the More Connections Edit screen. The screen appears as shown.Figure 48 More Connections Advanced SetupThe following table describes the labels in this screen. Table 24 More Connections Advanced SetupLABEL DESCRIPTIONRIP & Multicast SetupRIP Direction Select the RIP direction from None, Both, In Only and Out Only.RIP Version Select the RIP version from RIP-1, RIP-2B and RIP-2M.Multicast IGMP (Internet Group Multicast Protocol) is a network-layer protocol used to establish membership in a multicast group. The ZyXEL Device supports both IGMP version 1 (IGMP-v1) and IGMP-v2. Select None to disable it.ATM QoSATM QoS Type Select CBR (Continuous Bit Rate) to specify fixed (always-on) bandwidth for voice or data traffic. Select UBR (Unspecified Bit Rate) for applications that are non-time sensitive, such as e-mail. Select VBR-nRT (Variable Bit Rate-non Real Time) or VBR-RT (Variable Bit Rate-Real Time) for bursty traffic and bandwidth sharing with other applications. Peak Cell Rate Divide the DSL line rate (bps) by 424 (the size of an ATM cell) to find the Peak Cell Rate (PCR). This is the maximum rate at which the sender can send cells. Type the PCR here.Sustain Cell Rate The Sustain Cell Rate (SCR) sets the average cell rate (long-term) that can be transmitted. Type the SCR, which must be less than the PCR. Note that system default is 0 cells/sec. Maximum Burst SizeMaximum Burst Size (MBS) refers to the maximum number of cells that can be sent at the peak rate. Type the MBS, which is less than 65535. Back Click Back to return to the previous screen.Apply Click Apply to save the changes. Cancel Click Cancel to begin configuring this screen afresh.

Chapter 5 WAN SetupP-660HW-Dx v2 User’s Guide 895.7 Traffic Redirect Traffic redirect forwards traffic to a backup gateway when the ZyXEL Device cannot connect to the Internet. An example is shown in the figure below.Figure 49 Traffic Redirect ExampleThe following network topology allows you to avoid triangle route security issues when the backup gateway is connected to the LAN. Use IP alias to configure the LAN into two or three logical networks with the ZyXEL Device itself as the gateway for each LAN network. Put the protected LAN in one subnet (Subnet 1 in the following figure) and the backup gateway in another subnet (Subnet 2). Configure filters that allow packets from the protected LAN (Subnet 1) to the backup gateway (Subnet 2). Figure 50 Traffic Redirect LAN Setup5.8 Configuring WAN Backup To change your ZyXEL Device’s WAN backup settings, click Network > WAN > WAN Backup Setup. The screen appears as shown.

Chapter 5 WAN SetupP-660HW-Dx v2 User’s Guide90Figure 51 WAN Backup SetupThe following table describes the labels in this screen. Table 25 WAN Backup SetupLABEL DESCRIPTIONWAN Backup SetupBackup Type Select the method that the ZyXEL Device uses to check the DSL connection. Select DSL Link to have the ZyXEL Device check if the connection to the DSLAM is up. Select ICMP to have the ZyXEL Device periodically ping the IP addresses configured in the Check WAN IP Address fields.Check WAN IP Address1-3Configure this field to test your ZyXEL Device's WAN accessibility. Type the IP address of a reliable nearby computer (for example, your ISP's DNS server address). Note: If you activate either traffic redirect or dial backup, you must configure at least one IP address here. When using a WAN backup connection, the ZyXEL Device periodically pings the addresses configured here and uses the other WAN backup connection (if configured) if there is no response.Fail Tolerance Type the number of times (2 recommended) that your ZyXEL Device may ping the IP addresses configured in the Check WAN IP Address field without getting a response before switching to a WAN backup connection (or a different WAN backup connection).Recovery Interval When the ZyXEL Device is using a lower priority connection (usually a WAN backup connection), it periodically checks to whether or not it can use a higher priority connection.Type the number of seconds (30 recommended) for the ZyXEL Device to wait between checks. Allow more time if your destination IP address handles lots of traffic.

Chapter 5 WAN SetupP-660HW-Dx v2 User’s Guide 91Timeout Type the number of seconds (3 recommended) for your ZyXEL Device to wait for a ping response from one of the IP addresses in the Check WAN IP Address field before timing out the request. The WAN connection is considered "down" after the ZyXEL Device times out the number of times specified in the Fail Tolerance field. Use a higher value in this field if your network is busy or congested.Traffic Redirect Traffic redirect forwards traffic to a backup gateway when the ZyXEL Device cannot connect to the Internet.Active Traffic RedirectSelect this check box to have the ZyXEL Device use traffic redirect if the normal WAN connection goes down.Note: If you activate traffic redirect, you must configure at least one Check WAN IP Address.Metric This field sets this route's priority among the routes the ZyXEL Device uses. The metric represents the "cost of transmission". A router determines the best route for transmission by choosing a path with the lowest "cost". RIP routing uses hop count as the measurement of cost, with a minimum of "1" for directly connected networks. The number must be between "1" and "15"; a number greater than "15" means the link is down. The smaller the number, the lower the "cost".Backup Gateway Type the IP address of your backup gateway in dotted decimal notation. The ZyXEL Device automatically forwards traffic to this IP address if the ZyXEL Device's Internet connection terminates. Apply Click Apply to save the changes. Cancel Click Cancel to begin configuring this screen afresh.Table 25 WAN Backup Setup (continued)LABEL DESCRIPTION

Chapter 5 WAN SetupP-660HW-Dx v2 User’s Guide92

P-660HW-Dx v2 User’s Guide 93CHAPTER 6 LAN SetupThis chapter describes how to configure LAN settings.6.1 LAN Overview A Local Area Network (LAN) is a shared communication system to which many computers are attached. A LAN is a computer network limited to the immediate area, usually the same building or floor of a building. The LAN screens can help you configure a LAN DHCP server and manage IP addresses. See Section 6.3 on page 98 to configure the LAN screens. 6.1.1 LANs, WANs and the ZyXEL DeviceThe actual physical connection determines whether the ZyXEL Device ports are LAN or WAN ports. There are two separate IP networks, one inside the LAN network and the other outside the WAN network as shown next.Figure 52 LAN and WAN IP Addresses

Chapter 6 LAN SetupP-660HW-Dx v2 User’s Guide946.1.2 DHCP SetupDHCP (Dynamic Host Configuration Protocol, RFC 2131 and RFC 2132) allows individual clients to obtain TCP/IP configuration at start-up from a server. You can configure the ZyXEL Device as a DHCP server or disable it. When configured as a server, the ZyXEL Device provides the TCP/IP configuration for the clients. If you turn DHCP service off, you must have another DHCP server on your LAN, or else the computer must be manually configured. 6.1.2.1 IP Pool SetupThe ZyXEL Device is pre-configured with a pool of IP addresses for the DHCP clients (DHCP Pool). See the product specifications in the appendices. Do not assign static IP addresses from the DHCP pool to your LAN computers.6.1.3 DNS Server AddressDNS (Domain Name System) is for mapping a domain name to its corresponding IP address and vice versa. The DNS server is extremely important because without it, you must know the IP address of a machine before you can access it. The DNS server addresses that you enter in the DHCP setup are passed to the client machines along with the assigned IP address and subnet mask.There are two ways that an ISP disseminates the DNS server addresses. The first is for an ISP to tell a customer the DNS server addresses, usually in the form of an information sheet, when s/he signs up. If your ISP gives you the DNS server addresses, enter them in the DNS Server fields in DHCP Setup, otherwise, leave them blank.Some ISP’s choose to pass the DNS servers using the DNS server extensions of PPP IPCP (IP Control Protocol) after the connection is up. If your ISP did not give you explicit DNS servers, chances are the DNS servers are conveyed through IPCP negotiation. The ZyXEL Device supports the IPCP DNS server extensions through the DNS proxy feature.If the Primary and Secondary DNS Server fields in the DHCP Setup screen are not specified, for instance, left as 0.0.0.0, the ZyXEL Device tells the DHCP clients that it itself is the DNS server. When a computer sends a DNS query to the ZyXEL Device, the ZyXEL Device forwards the query to the real DNS server learned through IPCP and relays the response back to the computer.Please note that DNS proxy works only when the ISP uses the IPCP DNS server extensions. It does not mean you can leave the DNS servers out of the DHCP setup under all circumstances. If your ISP gives you explicit DNS servers, make sure that you enter their IP addresses in the DHCP Setup screen. This way, the ZyXEL Device can pass the DNS servers to the computers and the computers can query the DNS server directly without the ZyXEL Device’s intervention.6.1.4 DNS Server Address AssignmentUse DNS (Domain Name System) to map a domain name to its corresponding IP address and vice versa. The DNS server is extremely important because without it, you must know the IP address of a computer before you can access it. There are two ways that an ISP disseminates the DNS server addresses.

Chapter 6 LAN SetupP-660HW-Dx v2 User’s Guide 95• The ISP tells you the DNS server addresses, usually in the form of an information sheet, when you sign up. If your ISP gives you DNS server addresses, enter them in the DNS Server fields in the DHCP Setup screen.• The ZyXEL Device acts as a DNS proxy when the Primary and Secondary DNS Server fields are left as 0.0.0.0 in the DHCP Setup screen.6.2 LAN TCP/IP The ZyXEL Device has built-in DHCP server capability that assigns IP addresses and DNS servers to systems that support DHCP client capability.6.2.1 IP Address and Subnet MaskSimilar to the way houses on a street share a common street name, so too do computers on a LAN share one common network number.Where you obtain your network number depends on your particular situation. If the ISP or your network administrator assigns you a block of registered IP addresses, follow their instructions in selecting the IP addresses and the subnet mask.If the ISP did not explicitly give you an IP network number, then most likely you have a single user account and the ISP will assign you a dynamic IP address when the connection is established. If this is the case, it is recommended that you select a network number from 192.168.0.0 to 192.168.255.0 and you must enable the Network Address Translation (NAT) feature of the ZyXEL Device. The Internet Assigned Number Authority (IANA) reserved this block of addresses specifically for private use; please do not use any other number unless you are told otherwise. Let's say you select 192.168.1.0 as the network number; which covers 254 individual addresses, from 192.168.1.1 to 192.168.1.254 (zero and 255 are reserved). In other words, the first three numbers specify the network number while the last number identifies an individual computer on that network.Once you have decided on the network number, pick an IP address that is easy to remember, for instance, 192.168.1.1, for your ZyXEL Device, but make sure that no other device on your network is using that IP address.The subnet mask specifies the network number portion of an IP address. Your ZyXEL Device will compute the subnet mask automatically based on the IP address that you entered. You don't need to change the subnet mask computed by the ZyXEL Device unless you are instructed to do otherwise.6.2.1.1 Private IP AddressesEvery machine on the Internet must have a unique address. If your networks are isolated from the Internet, for example, only between your two branch offices, you can assign any IP addresses to the hosts without problems. However, the Internet Assigned Numbers Authority (IANA) has reserved the following three blocks of IP addresses specifically for private networks:• 10.0.0.0 — 10.255.255.255• 172.16.0.0 — 172.31.255.255• 192.168.0.0 — 192.168.255.255

Chapter 6 LAN SetupP-660HW-Dx v2 User’s Guide96You can obtain your IP address from the IANA, from an ISP or it can be assigned from a private network. If you belong to a small organization and your Internet access is through an ISP, the ISP can provide you with the Internet addresses for your local networks. On the other hand, if you are part of a much larger organization, you should consult your network administrator for the appropriate IP addresses."Regardless of your particular situation, do not create an arbitrary IP address; always follow the guidelines above. For more information on address assignment, please refer to RFC 1597, Address Allocation for Private Internets and RFC 1466, Guidelines for Management of IP Address Space.6.2.2 RIP SetupRIP (Routing Information Protocol) allows a router to exchange routing information with other routers. The RIP Direction field controls the sending and receiving of RIP packets. When set to:•Both - the ZyXEL Device will broadcast its routing table periodically and incorporate the RIP information that it receives.•In Only - the ZyXEL Device will not send any RIP packets but will accept all RIP packets received.•Out Only - the ZyXEL Device will send out RIP packets but will not accept any RIP packets received.•None - the ZyXEL Device will not send any RIP packets and will ignore any RIP packets received.The Version field controls the format and the broadcasting method of the RIP packets that the ZyXEL Device sends (it recognizes both formats when receiving). RIP-1 is universally supported; but RIP-2 carries more information. RIP-1 is probably adequate for most networks, unless you have an unusual network topology.Both RIP-2B and RIP-2M sends the routing data in RIP-2 format; the difference being that RIP-2B uses subnet broadcasting while RIP-2M uses multicasting.6.2.3 MulticastTraditionally, IP packets are transmitted in one of either two ways - Unicast (1 sender - 1 recipient) or Broadcast (1 sender - everybody on the network). Multicast delivers IP packets to a group of hosts on the network - not everybody and not just 1. IGMP (Internet Group Multicast Protocol) is a network-layer protocol used to establish membership in a Multicast group - it is not used to carry user data. IGMP version 2 (RFC 2236) is an improvement over version 1 (RFC 1112) but IGMP version 1 is still in wide use. If you would like to read more detailed information about interoperability between IGMP version 2 and version 1, please see sections 4 and 5 of RFC 2236. The class D IP address is used to identify host groups and can be in the range 224.0.0.0 to 239.255.255.255. The address

Chapter 6 LAN SetupP-660HW-Dx v2 User’s Guide 97224.0.0.0 is not assigned to any group and is used by IP multicast computers. The address 224.0.0.1 is used for query messages and is assigned to the permanent group of all IP hosts (including gateways). All hosts must join the 224.0.0.1 group in order to participate in IGMP. The address 224.0.0.2 is assigned to the multicast routers group. The ZyXEL Device supports both IGMP version 1 (IGMP-v1) and IGMP version 2 (IGMP-v2). At start up, the ZyXEL Device queries all directly connected networks to gather group membership. After that, the ZyXEL Device periodically updates this information. IP multicasting can be enabled/disabled on the ZyXEL Device LAN and/or WAN interfaces in the web configurator (LAN; WAN ). Select None to disable IP multicasting on these interfaces.6.2.4 Any IPTraditionally, you must set the IP addresses and the subnet masks of a computer and the ZyXEL Device to be in the same subnet to allow the computer to access the Internet (through the ZyXEL Device). In cases where your computer is required to use a static IP address in another network, you may need to manually configure the network settings of the computer every time you want to access the Internet via the ZyXEL Device. With the Any IP feature and NAT enabled, the ZyXEL Device allows a computer to access the Internet without changing the network settings (such as IP address and subnet mask) of the computer, when the IP addresses of the computer and the ZyXEL Device are not in the same subnet. Whether a computer is set to use a dynamic or static (fixed) IP address, you can simply connect the computer to the ZyXEL Device and access the Internet. The following figure depicts a scenario where a computer is set to use a static private IP address in the corporate environment. In a residential house where a ZyXEL Device is installed, you can still use the computer to access the Internet without changing the network settings, even when the IP addresses of the computer and the ZyXEL Device are not in the same subnet. Figure 53 Any IP ExampleThe Any IP feature does not apply to a computer using either a dynamic IP address or a static IP address that is in the same subnet as the ZyXEL Device’s IP address.

Chapter 6 LAN SetupP-660HW-Dx v2 User’s Guide98"You must enable NAT/SUA to use the Any IP feature on the ZyXEL Device. 6.2.4.1 How Any IP WorksAddress Resolution Protocol (ARP) is a protocol for mapping an Internet Protocol address (IP address) to a physical machine address, also known as a Media Access Control or MAC address, on the local area network. IP routing table is defined on IP Ethernet devices (the ZyXEL Device) to decide which hop to use, to help forward data along to its specified destination.The following lists out the steps taken, when a computer tries to access the Internet for the first time through the ZyXEL Device.1When a computer (which is in a different subnet) first attempts to access the Internet, it sends packets to its default gateway (which is not the ZyXEL Device) by looking at the MAC address in its ARP table. 2When the computer cannot locate the default gateway, an ARP request is broadcast on the LAN. 3The ZyXEL Device receives the ARP request and replies to the computer with its own MAC address. 4The computer updates the MAC address for the default gateway to the ARP table. Once the ARP table is updated, the computer is able to access the Internet through the ZyXEL Device. 5When the ZyXEL Device receives packets from the computer, it creates an entry in the IP routing table so it can properly forward packets intended for the computer. After all the routing information is updated, the computer can access the ZyXEL Device and the Internet as if it is in the same subnet as the ZyXEL Device. 6.3 Configuring LAN IPClick LAN to open the IP screen. See Section 6.1 on page 93 for background information. Figure 54 LAN IP

Chapter 6 LAN SetupP-660HW-Dx v2 User’s Guide 99The following table describes the fields in this screen. 6.3.1 Configuring Advanced LAN Setup To edit your ZyXEL Device's advanced LAN settings, click the Advanced Setup button in the LAN IP screen. The screen appears as shown.Figure 55 Advanced LAN SetupThe following table describes the labels in this screen. Table 26 LAN IPLABEL DESCRIPTIONLAN TCP/IPIP Address Enter the IP address of your ZyXEL Device in dotted decimal notation, for example, 192.168.1.1 (factory default). IP Subnet Mask Type the subnet mask assigned to you by your ISP (if given).Apply Click Apply to save your changes to the ZyXEL Device.Cancel Click Cancel to begin configuring this screen afresh.Advanced Setup Click this button to display the Advanced LAN Setup screen and edit more details of your LAN setup.Table 27 Advanced LAN SetupLABEL DESCRIPTIONRIP & Multicast SetupRIP Direction Select the RIP direction from None, Both, In Only and Out Only.RIP Version Select the RIP version from RIP-1, RIP-2B and RIP-2M.Multicast IGMP (Internet Group Multicast Protocol) is a network-layer protocol used to establish membership in a multicast group. The ZyXEL Device supports both IGMP version 1 (IGMP-v1) and IGMP-v2. Select None to disable it.

Chapter 6 LAN SetupP-660HW-Dx v2 User’s Guide1006.4 DHCP SetupUse this screen to configure the DNS server information that the ZyXEL Device sends to the DHCP client devices on the LAN.Figure 56 DHCP SetupAny IP Setup Select the Active check box to enable the Any IP feature. This allows a computer to access the Internet without changing the network settings (such as IP address and subnet mask) of the computer, even when the IP addresses of the computer and the ZyXEL Device are not in the same subnet. When you disable the Any IP feature, only computers with dynamic IP addresses or static IP addresses in the same subnet as the ZyXEL Device’s LAN IP address can connect to the ZyXEL Device or access the Internet through the ZyXEL Device.Windows Networking (NetBIOS over TCP/IP)NetBIOS (Network Basic Input/Output System) are TCP or UDP packets that enable a computer to connect to and communicate with a LAN. For some dial-up services such as PPPoE or PPTP, NetBIOS packets cause unwanted calls. However it may sometimes be necessary to allow NetBIOS packets to pass through to the WAN in order to find a computer on the WAN.Allow between LAN and WANSelect this check box to forward NetBIOS packets from the LAN to the WAN and from the WAN to the LAN. If your firewall is enabled with the default policy set to block WAN to LAN traffic, you also need to enable the default WAN to LAN firewall rule that forwards NetBIOS traffic.Clear this check box to block all NetBIOS packets going from the LAN to the WAN and from the WAN to the LAN.Back Click Back to return to the previous screen.Apply Click Apply to save the changes. Cancel Click Cancel to begin configuring this screen afresh.Table 27 Advanced LAN Setup (continued)LABEL DESCRIPTION

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