Hewlett Packard Enterprise WL602 DSL Firewall Router User Manual 3com

Hewlett-Packard Company DSL Firewall Router 3com

Contents

User Manual Part I

http://www.3Com.com/Part No. 10015880 Rev. AAPublished May 2008Wireless 11n Cable/DSL Firewall RouterUser GuideWL-6023CRWER300-73
3Com Corporation350 Campus Drive,Marlborough, MAUSA 01752-3064Copyright © 2004, 2005, 2006, 2007, 2008, 3Com Corporation. All rights reserved. No part of this documentation may be reproduced in any form or by any means or used to make any derivative work (such as translation, transformation, or adaptation) without written permission from 3Com Corporation.3Com Corporation reserves the right to revise this documentation and to make changes in content from time to time without obligation on the part of 3Com Corporation to provide notification of such revision or change.3Com Corporation provides this documentation without warranty, term, or condition of any kind, either implied or expressed, including, but not limited to, the implied warranties, terms or conditions of merchantability, satisfactory quality, and fitness for a particular purpose. 3Com may make improvements or changes in the product(s) and/or the program(s) described in this documentation at any time.If there is any software on removable media described in this documentation, it is furnished under a license agreement included with the product as a separate document, in the hard copy documentation, or on the removable media in a directory file named LICENSE.TXT or !LICENSE.TXT. If you are unable to locate a copy, please contact 3Com and a copy will be provided to you.UNITED STATES GOVERNMENT LEGENDIf you are a United States government agency, then this documentation and the software described herein are provided to you subject to the following: All technical data and computer software are commercial in nature and developed solely at private expense. Software is delivered as “Commercial Computer Software” as defined in DFARS 252.227-7014 (June 1995) or as a “commercial item” as defined in FAR 2.101(a) and as such is provided with only such rights as are provided in 3Com’s standard commercial license for the Software. Technical data is provided with limited rights only as provided in DFAR 252.227-7015 (Nov 1995) or FAR 52.227-14 (June 1987), whichever is applicable. You agree not to remove or deface any portion of any legend provided on any licensed program or documentation contained in, or delivered to you in conjunction with, this User Guide.Unless otherwise indicated, 3Com registered trademarks are registered in the United States and may or may not be registered in other countries.3Com, and the 3Com logo are registered trademarks of 3Com Corporation. Intel and Pentium are registered trademarks of Intel Corporation. Microsoft, MS-DOS, Windows, and Windows NT are registered trademarks of Microsoft Corporation. Novell and NetWare are registered trademarks of Novell, Inc. UNIX is a registered trademark in the United States and other countries, licensed exclusively through X/Open Company, Ltd.Netscape Navigator is a registered trademark of Netscape Communications.JavaScript is a trademark of Sun MicrosystemsWi-Fi and the Wi-Fi logo are registered trademarks of the WI-Fi Alliance.IEEE and 802 are trademarks of the Institute of Electrical and Electronics Engineers, Inc.All other company and product names may be trademarks of the respective companies with which they are associated.ENVIRONMENTAL STATEMENTIt is the policy of 3Com Corporation to be environmentally-friendly in all operations. To uphold our policy, we are committed to:Establishing environmental performance standards that comply with national legislation and regulations.Conserving energy, materials and natural resources in all operations.Reducing the waste generated by all operations. Ensuring that all waste conforms to recognized environmental standards. Maximizing the recyclable and reusable content of all products.Ensuring that all products can be recycled, reused and disposed of safely.Ensuring that all products are labelled according to recognized environmental standards.Improving our environmental record on a continual basis.End of Life Statement3Com processes allow for the recovery, reclamation and safe disposal of all end-of-life electronic components.Regulated Materials Statement3Com products do not contain any hazardous or ozone-depleting material.Environmental Statement about the DocumentationThe documentation for this product is printed on paper that comes from sustainable, managed forests; it is fully biodegradable and recyclable, and is completely chlorine-free. The varnish is environmentally-friendly, and the inks are vegetable-based with a low heavy-metal content.
CONTENTSABOUT THIS GUIDENaming Convention 7Conventions 8Feedback About This User Guide 9Related Documentation 9INTRODUCING THE ROUTERWireless 11n Cable/DSL Firewall Router 11Router Advantages 13Package Contents 13Minimum System and Component Requirements 14Physical Features 14INSTALLING THE ROUTERIntroduction 19Safety Information 19Positioning the Router 19Using the Rubber Feet 20Wall Mounting 20Powering Up the Router 21Connecting the Router 21SETTING UP YOUR COMPUTERSObtaining an IP Address Automatically 23Windows 2000 23Windows Vista 25Windows XP 26Macintosh 26
Disabling PPPoE and PPTP Client Software 27Disabling Web Proxy 27RUNNING THE SETUP WIZARDAccessing the Setup Wizard 29Wizard - Change Password 32Wizard - Time and Time Zone 32Wizard - Connection Type 33Setup Wizard - LAN Settings 40Wizard - Wireless Setting 41Wizard - Configuration Summary 42CONFIGURING THE ROUTERNavigating Through the Router Configuration screens 43Main Menu 43Welcome Screen 43Status 43LAN Settings 44LAN Settings 44DHCP Clients List 45Wireless Settings 47Configuration 48Encryption 49WPS 54Connection Control 55Client List 56WMM 57WDS 58Advanced 59Internet Settings 60WAN 60DNS 67Clone MAC address 68
Firewall 69SPI 69Special Applications 73Virtual Servers 74DMZ 75PC Privileges 76Schedule Rule 78URL Filter 79Advanced 80Security 80VLAN 83Static Routes 84RIP 85DDNS 87SNMP 88Syslog 89Proxy ARP 90QoS Settings 91VPN 92System Tools 96Restart Router 96Configuration 96Upgrade 97Time Zone 98Ping 99Traceroute 100DNS Lookup 101Status and Logs 102Status 102Routing Table 102Logs 103Traffic Statistics 103Support/Feedback 104Support 104Feedback 104
TROUBLESHOOTINGBasic Connection Checks 105Browsing to the Router Configuration Screens 105Connecting to the Internet 106Forgotten Password and Reset to Factory Defaults 106Wireless Networking 107Recovering from Corrupted Software 109Frequently Asked Questions 110IP ADDRESSINGThe Internet Protocol Suite 111Managing the Router over the Network 111IP Addresses and Subnet Masks 111How does a Device Obtain an IP Address and Subnet Mask? 113DHCP Addressing 113Static Addressing 113Auto-IP Addressing 113TECHNICAL SPECIFICATIONS3Com Wireless 11n Cable/DSL Firewall Router 115Standards 116SAFETY INFORMATIONEND USER SOFTWARE LICENSE AGREEMENTOBTAINING SUPPORT FOR YOUR PRODUCT
GLOSSARYREGULATORY NOTICESINDEX
ABOUT THIS GUIDEThis guide describes how to install and configure the 3Com Wireless 11n Cable/DSL Firewall Router (3CRWER300-73).This guide is intended for use by those responsible for installing and setting up network equipment; consequently, it assumes a basic working knowledge of LANs (Local Area Networks) and Internet Routers.If a release note is shipped with the 3Com Wireless 11n Cable/DSL Firewall Router and contains information that differs from the information in this guide, follow the information in the release note.Most user guides and release notes are available in Adobe Acrobat Reader Portable Document Format (PDF) on the 3Com World Wide Web site:http://www.3Com.comNaming Convention Throughout this guide, the 3Com Wireless 11n Cable/DSL Firewall Router is referred to as the “Router”.Category 3 and Category 5 Twisted Pair Cables are referred to as Twisted Pair Cables throughout this guide.
8ABOUT THIS GUIDEConventions Table 1 and Ta b l e 2 list conventions that are used throughout this guide.Table 1 Notice IconsIcon Notice Type DescriptionInformation note Information that describes important features or instructions.Caution Information that alerts you to potential loss of data or potential damage to an application, system, or device.Warning Information that alerts you to potential personal injury.Table 2 Text ConventionsConvention DescriptionThe words “enter” and “type”When you see the word “enter” in this guide, you must type something, and then press Return or Enter. Do not press Return or Enter when an instruction simply says “type.”Keyboard key names If you must press two or more keys simultaneously, the key names are linked with a plus sign (+). Example:Press Ctrl+Alt+Del Words in italics Italics are used to:■Emphasize a point.■Denote a new term at the place where it is defined in the text.■Identify menu names, menu commands, and software button names. Examples:From the Help menu, select Contents.Click OK.
Feedback About This User Guide 9Feedback About This User GuideYour suggestions are very important to us. They will help make our documentation more useful to you. Please e-mail comments about this document to 3Com at:pddtechpubs_comments@3com.comPlease include the following information when commenting:■Document title■Document part number (on the title page)■Page number (if appropriate)Example:■3Com Wireless 11n Cable/DSL Firewall Router User Guide■Part Number 10015880 Rev. AA■Page 24Do not use this e-mail address for technical support questions. For information about contacting Technical Support, please refer to Appendix C.Related DocumentationIn addition to this guide, each Router document set includes one Installation Guide. This guide contains the instructions you need to install and configure your Router.
10 ABOUT THIS GUIDE
1INTRODUCING THE ROUTERWelcome to the world of networking with 3Com®. In the modern business environment, communication and sharing information is crucial. Computer networks have proved to be one of the fastest modes of communication but, until recently, only large businesses could afford the networking advantage.Wireless 11n Cable/DSL Firewall RouterThe 3Com Wireless 11n Cable/DSL Firewall Router is designed to provide a cost-effective means of sharing a single broadband Internet connection amongst several wired and wireless computers. The Router also provides protection in the form of an electronic “firewall” preventing anyone outside of your network from seeing your files or damaging your computers. The Router can also prevent your users from accessing Web sites which you find unsuitable.Figure 1 shows an example network without a Router. In this network, only one computer is connected to the Internet. This computer must always be powered on for the other computers on the network to access the Internet.
12 CHAPTER 1: INTRODUCING THE ROUTERFigure 1 Example Network Without a RouterWhen you use the Router in your network (Figure 2), it becomes your connection to the Internet. Connections can be made directly to the Router, or to an OfficeConnect Switch or Hub, expanding the number of computers you can have in your network.Figure 2 Example Network Using a Firewall Router
Router Advantages 13Router Advantages The advantages of the Router include:■Shared Internet connection for both wired and wireless computers■High speed 802.11n wireless networking■No need for a dedicated, “always on” computer serving as your Internet connection■Cross-platform operation for compatibility with Windows, Unix and Macintosh computers■Easy-to-use, Web-based setup and configuration■Provides centralization of all network address settings (DHCP)■Acts as a Virtual server to enable remote access to Web, FTP, and other services on your network■Security — Firewall protection against Internet hacker attacks and encryption to protect wireless network trafficPackage Contents The Router kit includes the following items:■One 3Com Wireless 11n Cable/DSL Firewall Router■One power adapter for use with the Router■Four rubber feet■One Ethernet cable■One CD-ROM containing this User guide■Installation guide■Support and Safety sheet ■Warranty sheet ■Product range sheetIf any of these items are missing or damaged, please contact your retailer.
14 CHAPTER 1: INTRODUCING THE ROUTERMinimum System and Component RequirementsYour Router requires that the computer(s) and components in your network be configured with at least the following:■A computer with an operating system that supports TCP/IP networking protocols (for example Windows 2000/XP,/Vista, Unix, Mac OS 8.5 or higher).■An Ethernet 10 Mbps or 10/100 Mbps NIC for each computer to be connected to the four-port switch on your Router.■An 802.11b or 802.11g or 802.11n wireless NIC.■An active ADSL or Cable subscription and connection.■A Web browser that supports JavaScript, such as Netscape 4.7 or higher, Internet Explorer 6.0 or higher, or Mozilla 1.2.1 or higher.Physical Features The front panel of the Router contains a series of indicator lights (LEDs) that help describe the state of various networking and connection operations.Figure 3 Router - Front Panel
Physical Features 151 Alert LED AmberFast flash during self test. If self test fails the LED will remain on.Fast flash during software upgrade.Fast flash for software reset to the factory defaults.Fast flash for hardware reset to the factory defaults. The LED is on for 2 seconds when the firewall detects a hacker attack.2Cable/DSLBlue LED on indicates the physical connection is on. Fast flash means WAN port traffic activity. 3 Wireless LAN (WLAN) Status LED BlueIf the LED is on it indicates that wireless networking is enabled. If the LED is flashing, the link is OK and data is being transmitted or received. If the LED is off, the Wireless LAN has been disabled in the Router, or there is a problem. Refer to Chapter 6 Troubleshooting.4 LAN Status LEDs (4 indicators) BlueIf the LED is on, the link between the port and the next piece of network equipment is OK. If the LED is flashing, the link is OK and data is being transmitted or received. If the LED is off, nothing is connected, or the connected device is switched off, or there is a problem with the connection (refer to Chapter 6 Troubleshooting). The port will automatically adjust to the correct speed and duplex.5 WPS LEDLED on indicates the WPS function is active.
16 CHAPTER 1: INTRODUCING THE ROUTERThe rear panel (Figure 4) of the Router contains one WPS button, four LAN ports, one WAN port, one WiFi LED, a reset button, and a power adapter socket.Figure 4 Router - Rear Panel1 Wireless AntennaeThe antennaes should be placed in a ‘V’ position when initially installed.CAUTION: Do not force the antennae beyond their mechanical stops. Rotating the antennae further may cause damage.2 WPS buttonPress this button when making WPS setup. 3 Ethernet Ports (4 ports) Using suitable RJ-45 cables, you can connect your Router to a computer, or to any other piece of equipment that has an Ethernet connection (for example, a hub or a switch). These ports have an automatic MDI/MDIX feature, which means either straight-through or a crossover cable can be used.4WAN PortRJ-45 port used to connect the Router with Cable/DSL modem. 5 WiFi On/Off buttonUse this button to turn on/turn off the wireless function.
Physical Features 176 Reset ButtonIf you want to reset your Router to factory default settings, or cannot access the web management interface (for example, due to a lost password), then you may use this button. Refer to Forgotten Password and Reset to Factory Defaults on page 106 for further details.7 Power Adapter SocketOnly use the power adapter that is supplied with this Router. Do not use any other adapter.
18 CHAPTER 1: INTRODUCING THE ROUTER
2INSTALLING THE ROUTERIntroduction This chapter will guide you through a basic installation of the Router, including:■Connecting the Router to the Internet.■Connecting the Router to your network.■Setting up your computers for networking with the Router.Safety Information Please note the following:WARNING: Please read the Safety Information section in Appendix C before you start.VORSICHT: Bitte lesen Sie den Abschnitt Wichtige Sicherheitshinweise sorgfältig durch, bevor Sie das Gerät einschalten.AVERTISSEMENT: Veuillez lire attentivement la section Consignes importantes de sécurité avant de mettre en route.Positioning the RouterYou should place the Router in a location that:■is conveniently located for connection to the telephone socket.■is centrally located to the wireless computers that will connect to the Router. A suitable location might be on top of a high shelf or similar furniture to optimize wireless connections to computers in both horizontal and vertical directions, allowing wider coverage.■allows convenient connection to the computers that will be connected to the four LAN ports on the rear panel, if desired.■allows easy viewing of the front panel LED indicator lights, and access to the rear panel connectors, if necessary.
20 CHAPTER 2: INSTALLING THE ROUTERWhen positioning your Router, ensure:■It is out of direct sunlight and away from sources of heat.■Cabling is away from power lines, fluorescent lighting fixtures, and sources of electrical noise such as radios, transmitters and broadband amplifiers.■Water or moisture cannot enter the case of the unit.■Air flow around the unit and through the vents in the side of the case is not restricted. 3Com recommends you provide a minimum of 25 mm (1 in.) clearance.Using the RubberFeetUse the four self-adhesive rubber feet to prevent your Router from moving around on your desk or when stacking with flat top units. Only stick the feet to the marked areas at each corner of the underside of your Router.Wall Mounting There are two slots on the underside of the Router that can be used for wall mounting.When wall mounting the unit, ensure that it is within reach of the power outlet. There are 2 slots on the underside of the Router that can be used for wall mounting. The distance between the 2 slots is 100 mm.You will need 2 suitable screws, the diameter would be 5.0 to 7.0 mm, to wall mount the Router.When wall mounting the unit, ensure that it is within reach of the power outlet.To wall mount the unit:1Ensure that the wall you use is smooth, flat, dry and sturdy and make two screw holes which are 100 mm apart.2Fix the screws into wall, leaving their heads 5 mm clear of the wall surface.3Remove any connections to the unit and locate it over the screw heads. When in line, gently push the unit on to the wall and move it downwards to secure.
Powering Up the Router 21When making connections, be careful not to push the unit up and off the wall.CAUTION: Only wall mount single units, do not wall mount stacked units. Powering Up the RouterTo power up the Router:1Plug the power adapter into the power adapter socket located on the back panel of the Router.2Plug the power adapter into a standard electrical wall socket.Connecting the RouterThe first step for installing your Router is to physically connect it to the DSL/Cable modem, and then connect the Router to a computer in order to be able to access the Internet. See Figure 5:Figure 5 Connecting the Router
22 CHAPTER 2: INSTALLING THE ROUTER1Using RJ-45 cable to connect the WAN port of the Router with the DSL/Cable modem. 2Using RJ-45 cable to connect one PC with the LAN port the Router. You have now completed the hardware installation of your Router. Next you need to set up your computers so that they can make use of the Router to communicate with the Internet.3Com recommends that you perform the initial Router configuration from a computer that is directly connected to one of the LAN ports. If you configure the Router from a wireless computer, note that you may lose contact with the Router if you change the wireless configuration.To communicate wirelessly with your Router, your wireless NIC should be set as follows:■Encryption — none■SSID — 3Com■Channel — 11
3SETTING UP YOUR COMPUTERSThe Router has the ability to dynamically allocate network addresses to the computers on your network, using DHCP. However, your computers need to be configured correctly for this to take place. To change the configuration of your computers to allow this, follow the instructions in this chapter.Obtaining an IP Address AutomaticallyWindows 2000 If you are using a Windows 2000-based computer, use the following procedure to change your TCP/IP settings:1From the Windows Start Menu, select Settings > Control Panel.2Double click on Network and Dial-Up Connections.3Double click on Local Area Connection.4Click on Properties.5A screen similar to Figure 6 should be displayed. Select Internet Protocol TCP/IP and click on Properties.
24 CHAPTER 3: SETTING UP YOUR COMPUTERSFigure 6 Local Area Properties Screen6Ensure that the options Obtain an IP address automatically, and Obtain DNS server address automatically are both selected as shown in Figure 7. Click OK.Figure 7 Internet Protocol (TCP/IP) Properties Screen7Restart your computer.
Obtaining an IP Address Automatically 25Windows Vista1From the Windows Start Menu, select Settings > Network.2Click on Organize. Select Properties.3Click on Manage network > Connections.4Double click Local Area Connection. Select Properties and click continue.5A screen similar to (Figure 8) should appear. Select Internet Protocol Version 6,Version 4 (TCP/IPv6,v4) and click on Properties.Figure 8 Local Area Connection Properties Screen6Ensure that the options Obtain an IPv6,v4 address automatically, and Obtain DNS servers address automatically are both selected as shown in (Figure 9). Click OK.Figure 9 Internet Protocol Version 6 (TCP/IPv6) Properties Screen
26 CHAPTER 3: SETTING UP YOUR COMPUTERSWindows XP1From the Windows Start Menu, select Control Panel.2Click on Network and Internet Connections.3Click on the Network Connections icon.4Double click on LAN or High Speed Connection icon. A screen titled Local Area Connection Status will appear.5Select Internet Protocol TCP/IP and click on Properties.6Ensure that the options Obtain an IP address automatically, and Obtain DNS servers automatically are both selected. Click OK.7Restart your computer.Macintosh If you are using a Macintosh computer, use the following procedure to change your TCP/IP settings:1From the desktop, select Apple Menu, Control Panels, and TCP/IP.2In the TCP/IP control panel, set Connect Via: to Ethernet.3In the TCP/IP control panel, set Configure: to Using DHCP Server.4Close the TCP/IP dialog box, and save your changes.5Restart your computer.
Disabling PPPoE and PPTP Client Software 27Disabling PPPoE and PPTP Client SoftwareIf you have PPPoE client software installed on your computer, you will need to disable it. To do this:1From the Windows Start Menu, select Settings > Control Panel.2Double click on Internet Options.3Select the Connections Tab. A screen similar to Figure 10 should be displayed.4Select the Never dial a connection option.Figure 10 Internet Properties ScreenYou may want to remove the PPPoE client software from your computer to free resources, as it is not required for use with the Router.Disabling Web ProxyEnsure that you do not have a web proxy enabled on your computer.Go to the Control Panel and click on Internet Options. Select the Connections tab and click LAN Settings at the bottom. Make sure that the Use Proxy Server option is unchecked.
28 CHAPTER 3: SETTING UP YOUR COMPUTERS
4RUNNING THE SETUP WIZARDAccessing the Setup WizardThe Router setup program is Web-based, which means that it is accessed through your Web browser (Netscape Navigator 4.7 or higher, Internet Explorer 6.0 or higher, or Mozilla 1.2.1 or higher). To use the Setup Wizard:1Ensure that you have at least one computer connected to the Router. Refer to Chapter 2 for details on how to do this.2Launch your Web browser on the computer. 3Enter the following URL in the location or address field of your browser: http://192.168.1.1 (Figure 11). The Login screen displays.Figure 11 Web Browser Location Field (Factory Default)
30 CHAPTER 4: RUNNING THE SETUP WIZARD4To log in as an administrator, enter the password (the default password is admin) in the System Password field and click Log in (see Figure 12). Figure 12 Router Login Screen5When you have logged in, ■if you are logging in for the first time, the Country Selection screen will appear (see Figure 13). Please select the country form the drop-down menu, and click Apply. Note to US model owner: To comply with US FCC regulation, the country selection function has been completely removed from all US models. The above function is for non-US models only.Figure 13 Country Selection ScreenThe Wizard will then launch automatically (refer to Figure 16). You will be guided step by step through a basic setup procedure.■if the Router has been configured previously, the Welcome screen will appear (Figure 14). There are three tabs: Notice Board, Password and Wizard.
Accessing the Setup Wizard 31Figure 14 Welcome Screen■Go to the Notice Board tab to see the current software information. To view the Web help, click the Help button.■Go to the Password tab to change the password (Figure 15).■Go to the Wizard tab to do a quick setup of the Router (Figure 16).The password screen allows you to change the current password and set the login time limit to the Router’s management interface.Figure 15 Password Screen1To change the current password, enter the password in the Current Password field. 2Enter the new password in the New Password field, and enter it again in the Confirm New Password field.
32 CHAPTER 4: RUNNING THE SETUP WIZARD3Enter the time period in Login Timeout to set a maximum period of time for which the login session is maintained during inactivity (Default: 10 minutes). Wizard -Change PasswordTo ensure the security of your Router, it is recommended that you choose a new password - this should be a mix of letters and numbers, and not easily guessed by others. To leave the current password unchanged, leave the fields blank and click Next.Figure 16 Change Password ScreenWizard -Time and Time ZoneThe Time and Time Zone screen allows you to set up the time for the Router.Figure 17 Time and Time Zone Screen
Accessing the Setup Wizard 331Select the correct base date and time. 2If you want to automatically synchronize the Router with a public time server, check the Enable box in the Using Time Server (NTP) field.3Select the time zone in the Set Time Zone drop-down menu.4Enter the time in the Synchronization Interval field. 5Select the desired servers from the Time Server drop-down menu.6Check the Enable box in the Daylight Savings field, if daylight savings applies to your area.7Click Next.Wizard -Connection TypeThe Connection Type screen allows you to set up the Router for the type of Internet connection you have. Before setting up your connection type, have your account information from your ISP ready.Figure 18 Connection Type Screen Select a mode from the following:■Disable — selecting this option means you do not want the Router to connect to Internet. ■Bridge Mode — RFC1483 Bridged Mode, see page 34■Dynamic IP — Using DHCP function, see page 35■Static IP — Using fixed IP, see page 36■PPPoE — PPP over Ethernet, providing routing for multiple PCs, see page 37
34 CHAPTER 4: RUNNING THE SETUP WIZARD■PPTP — Point-to-Point Tunneling Protocol, see page 38■L2TP — Layer 2 Tunneling Protocol, see page 39and click Next. For further information on selecting a mode see Internet Settings on page 60.Bridge ModeTo set up the Router for use with an RFC1483 bridged connection, use the following procedure:Figure 19 Bridged Mode Screen1Enter the IP address and Subnet mask information.2Check all of your settings, and then click Next. The LAN Settings screen will then be displayed (refer to Figure 25).
Accessing the Setup Wizard 35Dynamic IPTo set up the Router for use with a dynamic IP connection, use the following procedure:Figure 20 Host Name Screen1Host name is a name that some Internet Service Providers require for connection to their system. This entry is optional, your Internet Service Provider should provide this information. 2Check all of your settings, and then click Next. The LAN Settings screen will then be displayed (refer to Figure 25).
36 CHAPTER 4: RUNNING THE SETUP WIZARDStatic IPTo set up the Router for use with a static IP connection, use the following procedure:Figure 21 Static IP Screen To assign a fixed IP address:1Enter your Internet IP address in the IP address assigned by your Service Provider field. 2Enter the subnet mask in the Subnet Mask field.3Enter the default gateway IP address in the Service Provider Gateway Address field.4Enter the DNS address in the DNS Address field.5If there is a secondary DNS, enter the IP address in the Secondary DNS Address field. 6Check all of your settings, and then click Next. The LAN Settings screen will then be displayed (refer to Figure 25).
Accessing the Setup Wizard 37PPPoE ModeTo set up the Router for use with a PPPoE (PPP over Ethernet) connection, use the following procedure:Figure 22 PPPoE Screen1Enter your user name in the Username field.2Enter your password in the Password field.3Re-type your password in the Retype Password field.4The Service Name field is optional, enter this information if your ISP requires it. 5Enter the MTU information, the default is 1492. 6Enter the maximum Idle Timeout for the Internet connection. After this time has been exceeded the connection will be terminated. Check the Auto Reconnect After Timeout box to automatically re-establish the connection as soon as you attempt to access the Internet again. 7Check all of your settings, and then click Next. The LAN Settings screen will then be displayed (refer to Figure 25).
38 CHAPTER 4: RUNNING THE SETUP WIZARDPPTP ModeTo set up the Router for use with a PPTP (Point to Point Tunneling Protocol) connection, use the following procedure:Figure 23 PPTP Screen1Enter the PPTP Server information.2Enter the User ID and Password required by your ISP.3Retype the password. 4Enter the maximum Idle Timeout for the Internet connection. After this time has been exceeded the connection will be terminated. 5Check the Get IP By DHCP box to receive IP address from your ISPs’ DHCP function. If this box is not checked, enter the IP address, Subnet mask, and Default Gateway information. 6Check all of your settings, and then click Next. The LAN Settings screen will then be displayed (refer to Figure 25).
Accessing the Setup Wizard 39L2TP modeTo set up the Router for use with a L2TP (Layer 2 Tunneling Protocol) connection, use the following procedure:Figure 24 L2TP Screen1Enter the L2TP Server information.2Enter the User ID and Password required by your ISP.3Retype the password. 4Enter the maximum Idle Timeout for the Internet connection. After this time has been exceeded the connection will be terminated. 5Check the Get IP By DHCP box to receive IP address from your ISP’s DHCP function. If this box is not checked, enter the IP address, Subnet mask, and Default Gateway information.6Check all of your settings, and then click Next. The LAN Settings screen will then be displayed (refer to Figure 25).
40 CHAPTER 4: RUNNING THE SETUP WIZARDSetup Wizard - LANSettingsThe LAN Settings screen allows you to set the default IP address and DHCP client IP range for the Router.Figure 25 The LAN Settings Screen1To change the Router’s default IP address, enter the new IP address in the IP Address field, and then enter the subnet mask in the Subnet Mask field.2Check the DHCP Server box to enable the DHCP function.3Enter the client IP address range in the IP Pool Start Address and IP Pool End Address fields. You can also click Auto IP Range to automatically set the starting and ending IP address: 192.168.1.2 ~ 192.168.1.254. 4Click Next. The Wireless Settings screen will be displayed (refer to Figure 26).
Accessing the Setup Wizard 41Wizard - WirelessSettingThe Wireless Settings screen allows you to set up the SSID and radio channel used for the wireless connection.Figure 26 Wireless Setting Screen1Select the channel you want to use from the Channel drop-down menu.2Specify the SSID to be used by your wireless network in the SSID field. If there are other wireless networks in your area, you should give your wireless network a unique name.
42 CHAPTER 4: RUNNING THE SETUP WIZARDWizard -ConfigurationSummaryWhen you have completed the Setup Wizard, a configuration summary will appear. Verify the configuration information of the Router and then click Apply to save your settings. 3Com recommends that you print out this page for your records.Figure 27 Configuration Summary ScreenYour Router is now configured and ready for use.See Chapter 5 for a detailed description of the Router configuration.
5CONFIGURING THE ROUTERNavigating Through the Router Configuration screensThis chapter describes all the screens available through the Router configuration screens, and is provided as a reference. To get to the configuration screens, enter the Router’s default IP in the location bar of your browser. The default IP is http://192.168.1.1. However, if you changed the Router LAN IP address during initial configuration, use the new IP address instead. Enter your password to login to the management interface. (The default password is admin).Main Menu The main menu is located on the left side, as shown in Figure 28. When you click on an item from the main menu, the corresponding screen will then appear in the center. Welcome Screen The Welcome screen shows the current software information. Status Figure 28 Welcome Screen
44 CHAPTER 5: CONFIGURING THE ROUTERLAN Settings Your Router is equipped with a DHCP server that will automatically assign IP addresses to each computer on your network. The factory default settings for the DHCP server will work with most applications. If you need to make changes to the settings, you can do so. The LAN settings screen allows you to: ■Change the default IP address of the Router. The default IP is 192.168.1.1■Change the Subnet Mask. The default setting is 255.255.255.0■Enable/Disable the DHCP Server Function. The default is “Enable”.■Specify the Starting and Ending IP Pool address. The default is Starting: 2 / Ending: 254. ■Specify the IP address Lease Time. The default is One day.■Specify a local Domain Name. This field is optional. ■Specify the IP address of 3Com NBX call processor. The Router will also provide a list of all client computers connected to the Router.LAN Settings The LAN Settings screen is used to specify the LAN IP address of your Router, and to configure the DHCP server.Figure 29 LAN Settings Screen
LAN Settings 451Enter the Router’s IP Address and Subnet Mask in the appropriate fields. The default IP address is 192.168.1.1.2If you want to use the Router as a DHCP Server, check Enable in the DHCP Server field.3Enter the IP address range in the IP Pool Start Address and IP Pool End Address fields.4Specify the DHCP Lease time by selecting the required value from the Lease Time drop-down menu. The lease time is the length of time the DHCP server will reserve the IP address for each computer. 5Specify the Local Domain Name for your network (this step is optional).6Enter the IP address of the NBX Call Processor in the 3Com NBX Call Processor field (this step is optional).7Check all of your settings, and then click Apply.DHCP Clients List The DHCP Clients List provides details on the devices that have received IP addresses from the Router. The list is only created when the Router is set up as a DHCP server. A maximum of 253 clients can be connected to the Router.Figure 30 DHCP Clients List Screen For each device that is connected to the LAN, the following information is displayed:■IP address — The Internet Protocol (IP) address issued to the client machine.
46 CHAPTER 5: CONFIGURING THE ROUTER■Host Name — The client machine’s host name, if configured.■MAC Address — The Media Access Control (MAC) address of the client’s network card.■Client Type — Whether the client is connected to the Router by wired or wireless connection.■Check the Fix checkbox to permanently fix the IP address.■Click Release to release the displayed IP address.■Click Add to allocate an IP address to a MAC address. Enter the required details and click Apply to save your settings.The DHCP server will give out addresses to both wired and wireless clients.
Wireless Settings 47Wireless Settings The Wireless Settings screens allow you to configure the settings for the wireless connections.You can enable or disable the wireless connection for your LAN. When disabled, no wireless PCs can gain access to either the Internet or other PCs on your wired or wireless LAN through this Router.Figure 31 Wireless Settings ScreenThere are 8 tabs available: ■Configuration■Encryption■WPS■Connection Control■Client List■WMM■WDS■Advanced
48 CHAPTER 5: CONFIGURING THE ROUTERConfiguration The Wireless Configuration Screen allows you to turn on/ turn off the wireless function, and set up basic wireless settings.Figure 32 Wireless Configuration ScreenTo enable the wireless function:1Check Enable Wireless Networking checkbox.2Select the wireless channel you want to use from the Channel drop-down menu.3Select the Extension Channel. 4Specify the SSID to be used by your wireless network in the SSID field. If there are other wireless networks in your area, you should give your wireless network an unique name.5Enable or disable SSID Broadcast.A feature of many wireless network adapters is that a computer's SSID can be set to ANY, which means it looks randomly for any existing wireless network. The available networks are then displayed in a site survey, and your computer can select a network. If you disable this SSID broadcast function, you can block this random search, and set the computer's SSID to a specific network (for example, WLAN). This increases network security. If you decide to enable SSID Broadcast, ensure that you know the name of your network first.6Select whether your Router will operate in 11b mode only, 11g mode only, 11n mode only, or mixed mode from the Wireless Mode drop-down menu.7Bandwidth: select the bandwidth to use.
Wireless Settings 498Select to turn on/off the Protected Mode function.9Click Apply.Encryption This feature prevents any non-authorized party from reading or changing your data over the wireless network.Figure 33 Encryption ScreenSelect the wireless security mode that you want to use from the drop-down menu, and click Apply. There are five selections:■Disabled ■64-bit WEP (see page 50)■128-bit WEP (see page 51)■WPA-PSK (no server) (see page 52)■WPA (with RADIUS Server) (see page 53)DisabledIn this mode, wireless transmissions will not be encrypted, and will be visible to everyone. However, when setting up or debugging wireless networks, it is often useful to use this security mode.
50 CHAPTER 5: CONFIGURING THE ROUTER64-bit WEPWEP is the basic mechanism to transmit your data securely over the wireless network. Matching encryption keys must be setup on your Router and wireless client devices to use WEP.Figure 34 64-bit WEP ScreenTo setup 64-bit WEP:1You can enter the 64-bit WEP key manually:■enter the WEP key as 5 pairs of hex digits (0-9, A-F).Or you can generate the 64-bit WEP key automatically: ■enter a memorable passphrase in the Passphrase field, and then click Generate to generate the hex keys from the passphrase.For 64-bit WEP, you can enter up to four keys, in the fields Key 1 to Key 4. The radio button on the left hand side selects the key that is used in transmitting data.Note that all four WEP keys on each device in the wireless network must be identical.2Click Apply.
Wireless Settings 51128-bit WEPWEP is the basic mechanism to transmit your data securely over the wireless network. Matching encryption keys must be set up on your Router and wireless client devices to use WEP.Figure 35 128-bit WEP ScreenTo setup 128-bit WEP: 1You can enter the 128-bit WEP key manually:■enter your WEP key as 13 pairs of hex digits (0-9, A-F).Or you can generate the 128-bit WEP key automatically: ■enter a memorable passphrase in the Passphrase field, and then click Generate to generate the hex keys from the passphrase.The WEP keys on each device on the wireless network must be identical. In 128-bit WEP mode, only one WEP key can be specified.2Click Apply.
52 CHAPTER 5: CONFIGURING THE ROUTERWPA-PSK (no server)WPA (Wi-Fi Protected Access) provides dynamic key changes and constitutes the best security solution. If your network does not have a RADIUS server. Select the no server option.Figure 36 WPA-PSK (no server) Screen 1Select WPA-PSK (no server) from the WPA drop-down menu.2Select WPA mode from the drop-down menu, three modes are supported: WPA, WPA2, and Mixed mode.3Select Encryption technique from the drop-down menu, four options are available: TKIP, AES, Auto for WPA AES for WPA2, and AES for both WPA and WPA2.4Enter the pre-shared key in the Pre-shared Key (PSK) field. The pre-shared key is a password, in the form of a word, phrase or series of letters and numbers. The key must be between 8 and 63 characters long and can include spaces and symbols. Each client that connects to the network must use the same key.5If you want the key that you enter to be shown on the screen as a series of asterisks (*), then check the Hide PSK checkbox. 6Click Apply.
Wireless Settings 53WPA (with RADIUS Server)WPA (Wi-Fi Protected Access) provides dynamic key changes and constitutes the best security solution. This function requires that a RADIUS server is running on the network.Figure 37 WPA (with RADIUS Server) Screen1Select WPA with RADIUS server from the Security Mode drop-down menu.2Select WPA mode from the drop-down menu, three modes are supported: WPA, WPA2, and Mixed mode.3Select Encryption technique from the drop-down menu, four options are available: TKIP, AES, Auto for WPA AES for WPA2, and AES for both WPA and WPA2.4Enter the IP address of the RADIUS server on your network into the RADIUS Server field.5Enter the port number that the RADIUS server is operating on in the RADIUS Port field.6Enter the key for the RADIUS server in the RADIUS Key field.7By default, the WPA keys are changed every hour, but if you want to change this setting, you can do so by specifying the required time in the Re-key Interval field. 8Click Apply.
54 CHAPTER 5: CONFIGURING THE ROUTERWPS Wireless Provisioning Services (WPS) is a standard for easy and secure establishment of a wireless home network, created by the Wi-Fi Alliance.3Com Wireless 11n Cable/DSL firewall Router supports the PIN method. Check the Enable WPS Function box. The WPS-PIN field will appear. Figure 38 WPS ScreenEnter the PIN code in the WPS-PIN field. And then click Apply.
Wireless Settings 55Connection Control This feature is used to filter the clients based on their MAC addresses.Check the Enable MAC Address Filtering checkbox, the Connection Control screen will appear. Figure 39 Connection Control ScreenThere are two options available in the Access rule for registered MAC address field: ■if you click Allow, this means only the MAC addresses registered here in the list will be allowed to access the Router via wireless link.■if you click Deny, this means the registered MAC addresses will not be able to access the Router via wireless link.Use the MAC Address Filtering List to quickly copy the MAC addresses of the current wireless clients into the list table. You can define up to 32 MAC addresses to the list. You can click Clear to delete the current entry in the list.
56 CHAPTER 5: CONFIGURING THE ROUTERClient List You can view the list of all wireless clients that are connected to the Router. Figure 40 Client List ScreenClick Refresh to update the list.
Wireless Settings 57WMM Wireless Multimedia (WMM) mode, which supports devices that meet the 802.11E QBSS standard. WMM uses traffic priority based on the four ACs; Voice, Video, Best Effort, and Background. The higher the AC priority, the higher the probability that data is transmitted.Check the Enable WMM Function box, the WMM parameters table will appear. Figure 41 WMM Screen The following table explains the four access categories: Access Category WMM Designation Description802.1D TagsAC_BE (AC0) Best Effort Normal priority, medium delay and throughput. Data only affected by long delays. Data from applications or devices that lack QoS capabilities.0, 3AC_BK (AC1) Background Lowest priority. Data with no delay or throughput requirements, such as bulk data transfers.2, 1AC_VI (AC2) Video High priority, minimum delay. Time-sensitive data such as streaming video.5, 4AC_VO (AC3) Voice Highest priority, minimum delay. Time-sensitive data such as VoIP (Voice over IP) calls.7, 6
58 CHAPTER 5: CONFIGURING THE ROUTERWDS The Router supports WDS (Wireless Distribution System). WDS enables one or more Access Points to rebroadcast received signals to extend range and reach, though this can affect the overall throughput of data.Figure 42 Wireless WDS Settings Screen1Check the Enable WDS Function checkbox.2To refresh the list of available access points, click Rescan Wireless Networking.3Click Add to add the MAC address of the AP to the list, the add WDS screen will appear (refer to Figure 43).Figure 43 Add WDS screen Enter the MAC address(es) of one or more access points in the AP MAC Address table, and click Apply.
Wireless Settings 59Advanced The Advanced screen allows you to configure detailed settings for your wireless connection. Figure 44 Wireless Advanced Setting Screen There are six parameters that you can configure: ■Beacon Interval: this represents the amount of time between beacon transmissions. ■DTIM Interval: A DTIM (Delivery Traffic Indication Message) is a countdown mechanism used to inform your wireless clients of the next window for listening to broadcast and multicast messages.■Fragmentation Threshold: this is the maximum size for directed data packets transmitted. The use of fragmentation can increase the reliability of frame transmissions. Because of sending smaller frames, collisions are much less likely to occur. ■RTS Threshold: RTS stands for Request to Send, this parameter controls what size data packet the low level RF protocol issues to an RTS packet.■CTS Protection Mode: CTS stands for Clear to Send. CTS Protection Mode boosts the Router’s ability to intercept 802.11b/ 802.11g transmissions. Conversely, CTS Protection Mode decreases performance. Leave this feature disabled unless you encounter severe communication difficulties between the Router and your wireless clients.■AP Isolation Mode: AP Isolation is a function to prevent wireless clients connected with the device from communicating with one another.
60 CHAPTER 5: CONFIGURING THE ROUTERInternet Settings You can configure the settings for your WAN port connection.WAN This feature is used to configure the parameters for your Internet connection. The information necessary to complete these screens should be obtained from your ISP. Check with your ISP first to find out what type of connection you should choose.Figure 45 WAN ScreenYou should see the first entry already contains information that’s been configured using the Wizard in the initial setup. If you want to change that information or set up other connection, click Edit.There are seven options available for the connection mode:■Disable — To disable the Internet connection function (see page 61)■Bridge Mode — RFC1483 Bridged Mode, (see page 61)■Dynamic IP — Using DHCP for WAN connection (see page 62)■Static IP — Using fixed IP for WAN connection (see page 63)■PPPoE — PPP over Ethernet, providing routing for multiple PCs (see page 64)■PPTP — Point-to-Point Tunneling Protocol (see page 65)■L2TP — Layer 2 Tunneling Protocol (see page 66)
Internet Settings 61DisableSelecting this option means that you do not want your Router to connect to the Internet. Figure 46 Disable Internet Connection ScreenBridge ModeIf your ISP limits access to the Internet to specific computers, this means that traffic to/from these computers only will be forwarded. In this case, Bridge Mode is used to connect to the ISP. The ISP will generally give one Internet account and limit only one computer to access the Internet. Check with your ISP to determine if this mode is used for your Internet connection.Figure 47 Bridge Mode ScreenEnter the IP address and Subnet mask information.
62 CHAPTER 5: CONFIGURING THE ROUTERDynamic IPYou can configure the Router to obtain an IP address automatically from a DHCP server.Figure 48 Dynamic IP Screen1Select Dynamic IP from the Internet sharing protocol drop-down menu.2If the ISP requires you to input a Host Name, type it in the Host Name field.3Click Apply.
Internet Settings 63Static IP If your Service Provider has assigned a fixed IP address, enter the assigned IP address information on the screen.Figure 49 Static IP Screen 1Select Static IP from the Internet sharing protocol drop-down menu.2Enter your IP address in the IP address assigned by your service provider field.3Enter the subnet mask in the Subnet Mask field.4Enter the default gateway IP address in the Service Provider Gateway Address field.5Enter DNS IP address. 6If there is a secondary DNS, enter the IP address. 7Click Apply.
64 CHAPTER 5: CONFIGURING THE ROUTERPPPoEPPP over Ethernet, provides routing for multiple PCs. To configure this function correctly, you should obtain the information from your ISP. Figure 50 PPPoE Settings Screen1Select PPPoE from the Internet sharing protocol drop-down menu.2Enter the user name assigned to you by your ISP in the Username field. And enter the password assigned to you by your ISP in the Password field. Re-enter your password in the Retype Password field.3The Service Name field is optional. 4Enter the MTU value in the MTU field. Do not make changes to this setting, unless your ISP specifically requires a different setting other than 1492.5If you want your Router to automatically disconnect from the Internet after a period of inactivity, specify a time in the Idle Timeout field. (Enter a value of 0 to disable this timeout). Check the Auto Reconnect After Timeout box to automatically re-establish the connection as soon as you attempt to access the Internet again. 6Click Apply.
Internet Settings 65PPTPIf your ISP uses PPTP as the Internet connection protocol, setup the details on this screen.Figure 51 PPTP Screen1Select PPTP from the Internet sharing protocol drop-down menu.2Enter the PPTP Server information. 3Enter the user ID in the User ID field. And enter the password assigned to you by your ISP in the Password field. Re-enter your password in the Retype Password field.4If you want your Router to automatically disconnect from the Internet after a period of inactivity, specify a time in the Idle Timeout field. (Enter a value of 0 to disable this timeout). 5If you receive the IP address from your ISP via DHCP function, check the Get IP By DHCP box.6If no DHCP function is used, then enter the IP Address, Subnet Mask, and Default Gateway information. 7Click Apply.
66 CHAPTER 5: CONFIGURING THE ROUTERL2TPIf your ISP uses L2TP as the Internet connection protocol, setup the details on this screen.Figure 52 L2TP Connection Screen1Select L2TP from the Internet sharing protocol drop-down menu.2Enter the L2TP Server information.3Enter the User ID and Password required by your ISP.4Retype the password. 5Enter the maximum Idle Timeout for the Internet connection. After this time has been exceeded the connection will be terminated. 6Check the Get IP By DHCP box to receive IP address from your ISP’s DHCP function. If this box is not checked, enter the IP address, Subnet mask, and Default Gateway information.7Click Apply.
Internet Settings 67DNS Domain Name Service (or Server) is an Internet service that translates domain names into IP addresses. Because domain names are alphabetic, they're easier to remember. The Internet however, is really based on IP addresses. Every time you use a domain name, a DNS service must translate the name into the corresponding IP address. For example, the domain name www.example.com might translate to 198.105.232.4.Check with your ISP for information on this screen.Figure 53 DNS ScreenIf the DNS information is automatically provided by your ISP every time you connect to it, check the Automatic from ISP checkbox.If your ISP provided you with specific DNS addresses to use, enter them into the appropriate fields on this screen and click Apply.Many ISPs do not require you to enter this information into the Router. If you are using a Static IP connection type, you may need to enter a specific DNS address and secondary DNS address for your connection to work properly. If your connection type is Dynamic or PPPoE, it is likely that you do not have to enter a DNS address.
68 CHAPTER 5: CONFIGURING THE ROUTERClone MAC address To configure the Hostname and Clone MAC Address information for your Router, select Internet Settings, then go to the Clone MAC address tab. The Hostname and MAC Address screen displays.Figure 54 Hostname and Clone MAC Address Screen1Some ISPs require a host name. If your ISP has this requirement, enter the host name in the Host Name field.2Three different ways to configure the WAN MAC Address: ■If your ISP requires an assigned MAC address, enter the values in the WAN MAC address field. or■If the computer that you are using is the one that was previously connected directly to the cable modem, click Clone.or■To reset the MAC Address to the default, click Reset MAC.3Click Apply to save the settings.

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