ZyXEL Communications G470 802.11g Wireless Ethernet Adapter User Manual ZyXEL G 220F User s Guide V1 00 Oct 2004
ZyXEL Communications Corporation 802.11g Wireless Ethernet Adapter ZyXEL G 220F User s Guide V1 00 Oct 2004
Contents
- 1. Manual Pt1
- 2. Manual Pt2
Manual Pt1
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G-470
802.11g Wireless Ethernet Adapter
User’s Guide
Version 1.00
Edition 1
8/2006
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G-470 User’s Guide
Copyright 3
Copyright
Copyright © 2006 by ZyXEL Communications Corporation.
The contents of this publication may not be reproduced in any part or as a whole, transcribed,
stored in a retrieval system, translated into any language, or transmitted in any form or by any
means, electronic, mechanical, magnetic, optical, chemical, photocopying, manual, or
otherwise, without the prior written permission of ZyXEL Communications Corporation.
Published by ZyXEL Communications Corporation. All rights reserved.
Disclaimer
ZyXEL does not assume any liability arising out of the application or use of any products, or
software described herein. Neither does it convey any license under its patent rights nor the
patent rights of others. ZyXEL further reserves the right to make changes in any products
described herein without notice. This publication is subject to change without notice.
Trademarks
ZyNOS (ZyXEL Network Operating System) is a registered trademark of ZyXEL
Communications, Inc. Other trademarks mentioned in this publication are used for
identification purposes only and may be properties of their respective owners.
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G-470 User’s Guide
4Certifications
Certifications
Federal Communications Commission (FCC) Interference Statement
The device complies with Part 15 of FCC rules. Operation is subject to the following two
conditions:
• This device may not cause harmful interference.
• This device must accept any interference received, including interference that may cause
undesired operations.
This equipment has been tested and found to comply with the limits for a Class B digital
device pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable
protection against harmful interference in a commercial environment. This equipment
generates, uses, and can radiate radio frequency energy, and if not installed and used in
accordance with the instructions, may cause harmful interference to radio communications.
If this equipment does cause harmful interference to radio/television reception, which can be
determined by turning the equipment off and on, the user is encouraged to try to correct the
interference by one or more of the following measures:
1Reorient or relocate the receiving antenna.
2Increase the separation between the equipment and the receiver.
3Connect the equipment into an outlet on a circuit different from that to which the receiver
is connected.
4Consult the dealer or an experienced radio/TV technician for help.
Caution
1The equipment complies with FCC RF radiation exposure limits set forth for an
uncontrolled environment, under 47 CFR 2.1091 paragraph (d)(2).
2To comply with FCC RF exposure compliance requirements, a separation distance of at
least 20 cm must be maintained between the antenna of this device and all persons.
3This Transmitter must not be co-located or operating in conjunction with any other
antenna or transmitter.
Notice 1
Changes or modifications not expressly approved by the party responsible for compliance
could void the user's authority to operate the equipment.
This product has been designed for the WLAN 2.4 GHz network throughout the EC region and
Switzerland, with restrictions in France.
This Class B digital apparatus complies with Canadian ICES-003.
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G-470 User’s Guide
Certifications 5
Cet appareil numérique de la classe B est conforme à la norme NMB-003 du Canada.
注意 !
依據 低功率電波輻射性電機管理辦法
第十二條 經型式認證合格之低功率射頻電機,非經許可,公司、商號或使用
者均不得擅自變更頻率、加大功率或變更原設計之特性及功能。
第十四條 低功率射頻電機之使用不得影響飛航安全及干擾合法通信;經發現
有干擾現象時,應立即停用,並改善至無干擾時方得繼續使用。
前項合法通信,指依電信規定作業之無線電信。低功率射頻電機須忍
受合法通信或工業、科學及醫療用電波輻射性電機設備之干擾。
Viewing Certifications
1Go to http://www.zyxel.com.
2Select your product from the drop-down list box on the
ZyXEL home page to go to that product's page.
3Select the certification you wish to view from this
page.
ZyXEL declares that US model of G-470 (FCC ID: 188G470) is limited in CH1 - CH11 for
2.4G band by specific firmware controlled by the manufacturer and is not user changeable.
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G-470 User’s Guide
6ZyXEL Limited Warranty
ZyXEL Limited Warranty
ZyXEL warrants to the original end user (purchaser) that this product is free from any defects
in materials or workmanship for a period of up to two (2) years from the date of purchase.
During the warranty period, and upon proof of purchase, should the product have indications
of failure due to faulty workmanship and/or materials, ZyXEL will, at its discretion, repair or
replace the defective products or components without charge for either parts or labor, and to
whatever extent it shall deem necessary to restore the product or components to proper
operating condition. Any replacement will consist of a new or re-manufactured functionally
equivalent product of equal or higher value, and will be solely at the discretion of ZyXEL.
This warranty shall not apply if the product has been modified, misused, tampered with,
damaged by an act of God, or subjected to abnormal working conditions.
Note
Repair or replacement, as provided under this warranty, is the exclusive remedy of the
purchaser. This warranty is in lieu of all other warranties, express or implied, including any
implied warranty of merchantability or fitness for a particular use or purpose. ZyXEL shall in
no event be held liable for indirect or consequential damages of any kind to the purchaser.
To obtain the services of this warranty, contact ZyXEL's Service Center for your Return
Material Authorization number (RMA). Products must be returned Postage Prepaid. It is
recommended that the unit be insured when shipped. Any returned products without proof of
purchase or those with an out-dated warranty will be repaired or replaced (at the discretion of
ZyXEL) and the customer will be billed for parts and labor. All repaired or replaced products
will be shipped by ZyXEL to the corresponding return address, Postage Paid. This warranty
gives you specific legal rights, and you may also have other rights that vary from country to
country.
Online Registration
Register your product online to receive e-mail notices of firmware upgrades and information
at www.zyxel.com for global products, or at www.us.zyxel.com for North American products.
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G-470 User’s Guide
Safety Warnings 7
Safety Warnings
For your safety, be sure to read and follow all warning notices and instructions.
• 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 can
service the device. Please contact your vendor for further information.
• Connect the power cord to the right supply voltage (110V AC in North America or 230V
AC in Europe).
• Place connecting cables carefully so that no one will step on them or stumble over them.
Do NOT allow anything to rest on the power cord and do NOT locate the product where
anyone can walk on the power cord.
• If you wall mount your device, make sure that no electrical, gas or water pipes will be
damaged.
• Do NOT install nor use your device during a thunderstorm. There may be a remote risk of
electric shock from lightning.
• Do NOT expose your device to dampness, dust or corrosive liquids.
• Do NOT use this product near water, for example, in a wet basement or near a swimming
pool.
• Make sure to connect the cables to the correct ports.
• Do NOT obstruct the device ventilation slots, as insufficient airflow may harm your
device.
• Do NOT store things on the device.
• Connect ONLY suitable accessories to the device.
This product is recyclable. Dispose of it properly.
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G-470 User’s Guide
8Customer Support
Customer Support
Please have the following information ready when you contact customer support.
• Product model and serial number.
• Warranty Information.
• Date that you received your device.
• Brief description of the problem and the steps you took to solve it.
METHOD
LOCATION
SUPPORT E-MAIL TELEPHONEAWEB SITE
REGULAR MAIL
SALES E-MAIL FAX FTP SITE
CORPORATE
HEADQUARTERS
(WORLDWIDE)
support@zyxel.com.tw +886-3-578-3942 www.zyxel.com
www.europe.zyxel.com
ZyXEL Communications Corp.
6 Innovation Road II
Science Park
Hsinchu 300
Ta i w a n
sales@zyxel.com.tw +886-3-578-2439 ftp.zyxel.com
ftp.europe.zyxel.com
CZECH REPUBLIC
info@cz.zyxel.com +420-241-091-350 www.zyxel.cz ZyXEL Communications
Czech s.r.o.
Modranská 621
143 01 Praha 4 - Modrany
Ceská Republika
info@cz.zyxel.com +420-241-091-359
DENMARK
support@zyxel.dk +45-39-55-07-00 www.zyxel.dk ZyXEL Communications A/S
Columbusvej
2860 Soeborg
Denmark
sales@zyxel.dk +45-39-55-07-07
FINLAND
support@zyxel.fi +358-9-4780-8411 www.zyxel.fi ZyXEL Communications Oy
Malminkaari 10
00700 Helsinki
Finland
sales@zyxel.fi +358-9-4780 8448
FRANCE
info@zyxel.fr +33-4-72-52-97-97 www.zyxel.fr ZyXEL France
1 rue des Vergers
Bat. 1 / C
69760 Limonest
France
+33-4-72-52-19-20
GERMANY
support@zyxel.de +49-2405-6909-0 www.zyxel.de ZyXEL Deutschland GmbH.
Adenauerstr. 20/A2 D-52146
Wuerselen
Germany
sales@zyxel.de +49-2405-6909-99
HUNGARY
support@zyxel.hu +36-1-3361649 www.zyxel.hu ZyXEL Hungary
48, Zoldlomb Str.
H-1025, Budapest
Hungary
info@zyxel.hu +36-1-3259100
KAZAKHSTAN
http://zyxel.kz/support +7-3272-590-698 www.zyxel.kz ZyXEL Kazakhstan
43, Dostyk ave.,Office 414
Dostyk Business Centre
050010, Almaty
Republic of Kazakhstan
sales@zyxel.kz +7-3272-590-689
NORTH AMERICA
support@zyxel.com 1-800-255-4101
+1-714-632-0882
www.us.zyxel.com ZyXEL Communications Inc.
1130 N. Miller St.
Anaheim
CA 92806-2001
U.S.A.
sales@zyxel.com +1-714-632-0858 ftp.us.zyxel.com
NORWAY
support@zyxel.no +47-22-80-61-80 www.zyxel.no ZyXEL Communications A/S
Nils Hansens vei 13
0667 Oslo
Norway
sales@zyxel.no +47-22-80-61-81
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G-470 User’s Guide
Customer Support 9
POLAND
info@pl.zyxel.com +48 (22) 333 8250 www.pl.zyxel.com ZyXEL Communications
ul. Okrzei 1A
03-715 Warszawa
Poland
+48 (22) 333 8251
RUSSIA
http://zyxel.ru/support +7-095-542-89-29 www.zyxel.ru ZyXEL Russia
Ostrovityanova 37a Str.
Moscow, 117279
Russia
sales@zyxel.ru +7-095-542-89-25
SPAIN
support@zyxel.es +34-902-195-420 www.zyxel.es ZyXEL Communications
Arte, 21 5ª planta
28033 Madrid
Spain
sales@zyxel.es +34-913-005-345
SWEDEN
support@zyxel.se +46-31-744-7700 www.zyxel.se ZyXEL Communications A/S
Sjöporten 4, 41764 Göteborg
Sweden
sales@zyxel.se +46-31-744-7701
UKRAINE
support@ua.zyxel.com +380-44-247-69-78 www.ua.zyxel.com ZyXEL Ukraine
13, Pimonenko Str.
Kiev, 04050
Ukraine
sales@ua.zyxel.com +380-44-494-49-32
UNITED KINGDOM
support@zyxel.co.uk +44-1344 303044
08707 555779 (UK only)
www.zyxel.co.uk ZyXEL Communications UK
Ltd.,11 The Courtyard,
Eastern Road, Bracknell,
Berkshire, RG12 2XB,
United Kingdom (UK)
sales@zyxel.co.uk +44-1344 303034 ftp.zyxel.co.uk
a. “+” is the (prefix) number you enter to make an international telephone call.
METHOD
LOCATION
SUPPORT E-MAIL TELEPHONEAWEB SITE
REGULAR MAIL
SALES E-MAIL FAX FTP SITE
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G-470 User’s Guide
10 Customer Support
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G-470 User’s Guide
Table of Contents 11
Table of Contents
Copyright .................................................................................................................. 3
Certifications ............................................................................................................ 4
ZyXEL Limited Warranty.......................................................................................... 6
Safety Warnings ....................................................................................................... 7
Customer Support.................................................................................................... 8
Table of Contents ................................................................................................... 11
List of Figures ........................................................................................................ 15
List of Tables .......................................................................................................... 17
Preface .................................................................................................................... 19
Chapter 1
Getting Started ....................................................................................................... 21
1.1 About Your ZyXEL Device ................................................................................21
1.1.1 ZyXEL Device Hardware Installation ........................................................22
1.1.2 Application Overview ................................................................................23
1.1.2.1 Infrastructure ...................................................................................24
1.1.2.2 Roaming ..........................................................................................24
Chapter 2
Tutorial .................................................................................................................... 27
2.1 Connecting to an Access Point ..........................................................................27
2.1.1 Before You Start ........................................................................................27
2.1.2 The Web Configurator ..............................................................................27
Chapter 3
Wireless LAN Network ........................................................................................... 31
3.1 Wireless LAN Overview ....................................................................................31
3.2 Wireless LAN Security ......................................................................................32
3.2.1 User Authentication and Encryption .........................................................32
3.2.1.1 Certificates ......................................................................................32
3.2.1.2 WEP ................................................................................................33
3.2.1.3 IEEE 802.1x ....................................................................................34
3.2.1.4 WPA ................................................................................................34
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G-470 User’s Guide
12 Table of Contents
3.2.1.5 WPA2 ..............................................................................................34
Chapter 4
Introducing the Web Configurator........................................................................ 35
4.1 Web Configurator Overview ...............................................................................35
4.1.1 Setting Up Your Computer's IP Address ...................................................35
4.1.1.1 Windows 2000/NT/XP .....................................................................36
4.2 Accessing the Web Configurator ........................................................................39
4.2.1 The Status Screen ....................................................................................39
4.3 Navigating the Web Configurator .......................................................................41
4.3.1 Change Your Password ............................................................................41
4.3.2 Statistics ...................................................................................................42
4.4 Configuring the ZyXEL Device Using the Wizard ...............................................43
4.4.1 Wizard: Basic Settings .............................................................................43
4.4.2 Wizard: Wireless Settings .........................................................................44
4.4.3 Wizard: Security Settings ..........................................................................45
4.4.3.1 Disable ............................................................................................45
4.4.3.2 WEP ................................................................................................46
4.4.3.3 WPA-PSK ........................................................................................47
4.4.4 Wizard: Confirm Your Settings .................................................................48
4.5 Using the AP Survey tool ...................................................................................49
4.6 Resetting the ZyXEL Device ..............................................................................49
4.6.1 Restoring Factory Defaults .......................................................................49
4.6.1.1 Using the RESET Button .................................................................50
Chapter 5
System Screen ....................................................................................................... 51
5.1 TCP/IP Parameters ............................................................................................51
5.1.1 IP Address Assignment ............................................................................51
5.1.2 IP Address and Subnet Mask ...................................................................51
5.2 System Settings ................................................................................................52
Chapter 6
Wireless Screens ................................................................................................... 55
6.1 Wireless LAN Overview .....................................................................................55
6.1.1 BSS (Infrastructure) ..................................................................................55
6.1.2 ESS ...........................................................................................................56
6.2 Wireless LAN Basics ..........................................................................................56
6.2.1 Channel ....................................................................................................56
6.2.2 SSID .........................................................................................................57
6.2.3 RTS/CTS .................................................................................................57
6.2.4 Fragmentation Threshold ..........................................................................58
6.3 Configuring Wireless ..........................................................................................58
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G-470 User’s Guide
Table of Contents 13
6.3.1 The AP Survey Window ............................................................................60
6.4 Wireless Security Overview ...............................................................................61
6.5 Configuring Wireless Security ...........................................................................61
6.5.1 Wireless Security: Disable .......................................................................62
6.5.2 Wireless Security: WEP ...........................................................................62
6.5.3 Wireless Security: WPA(2)-PSK ..............................................................64
6.5.4 Wireless Security: WPA(2) .......................................................................64
6.5.5 Wireless Security: IEEE 802.1x ...............................................................66
Chapter 7
Management Screens ............................................................................................ 69
7.1 Management Overview ......................................................................................69
7.2 Password ..........................................................................................................69
7.3 Configuration File ..............................................................................................70
7.3.1 Backup Configuration ...............................................................................71
7.3.2 Restore Configuration ..............................................................................71
7.3.3 Back to Factory Defaults ...........................................................................71
7.4 F/W Upload Screen ...........................................................................................72
Chapter 8
Troubleshooting ..................................................................................................... 75
8.1 Problems Starting Up the ZyXEL Device ...........................................................75
8.2 Problems with the Password ..............................................................................75
8.3 Problem with the Wireless Link Quality ..............................................................76
8.4 Problems Communicating With Other Computers .............................................76
8.5 Problems with the Ethernet Interface .................................................................77
8.5.1 Pop-up Windows, JavaScripts and Java Permissions ..............................78
8.5.1.1 Internet Explorer Pop-up Blockers ..................................................78
8.5.1.2 JavaScripts ......................................................................................81
8.5.1.3 Java Permissions ............................................................................83
8.6 Testing the Connection to the ZyXEL Device .....................................................85
Appendix A
Product Specifications .......................................................................................... 87
Appendix B
Wireless Security ................................................................................................... 89
Appendix C
Setting up Your Computer’s IP Address.............................................................. 95
Index...................................................................................................................... 107
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G-470 User’s Guide
14 Table of Contents
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G-470 User’s Guide
List of Figures 15
List of Figures
Figure 1 Device application: Basic ......................................................................... 21
Figure 2 Device Application: Home Network .......................................................... 21
Figure 3 The ZyXEL Device: Front Panel .............................................................. 22
Figure 4 The ZyXEL Device: Rear Panel ............................................................... 23
Figure 5 Application: Infrastructure ....................................................................... 24
Figure 6 Roaming Example .................................................................................... 25
Figure 7 Example of a Wireless Network ............................................................... 31
Figure 8 Wired Connection .................................................................................... 36
Figure 9 Control Panel ........................................................................................... 36
Figure 10 Network Connection ............................................................................... 37
Figure 11 Local Area Connection Properties ......................................................... 37
Figure 12 Internet Protocol Properties .................................................................. 38
Figure 13 Advanced TCP/IP Settings .................................................................... 38
Figure 14 Web Configurator: Login Screen ............................................................ 39
Figure 15 Web Configurator: the Status icon ......................................................... 39
Figure 16 Web Configurator: the Status screen .................................................... 40
Figure 17 Web Configurator: Change Administrator Login Password .................... 42
Figure 18 View Statistics ....................................................................................... 42
Figure 19 Setup Wizard 1: Basic Settings .............................................................. 44
Figure 20 Setup Wizard 2: Wireless Settings. ........................................................ 45
Figure 21 Setup Wizard 3: Disable ........................................................................ 46
Figure 22 Wizard 3: WEP ....................................................................................... 47
Figure 23 Wizard 3: WPA(2)-PSK .......................................................................... 48
Figure 24 Wizard: Confirm Your Settings ............................................................... 49
Figure 25 System Settings ..................................................................................... 52
Figure 26 Basic Service set ................................................................................... 55
Figure 27 Extended Service Set ............................................................................ 56
Figure 28 RTS/CTS ................................................................................................ 57
Figure 29 Wireless: Wireless Settings ................................................................... 58
Figure 30 Wireless: the AP Survey Screen ............................................................ 60
Figure 31 Wireless Security: Disable ..................................................................... 62
Figure 32 Wireless Security: WEP ......................................................................... 63
Figure 33 Wireless Security: WPA(2)-PSK ............................................................. 64
Figure 34 Wireless Security: WPA(2) ..................................................................... 65
Figure 35 Wireless Security: 802.1x ...................................................................... 67
Figure 36 Management: Password ........................................................................ 69
Figure 37 Management: Configuration File ............................................................ 70
Figure 38 Management: Configuration Upload Successful .................................... 71
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G-470 User’s Guide
16 List of Figures
Figure 39 Management: Reset Warning Message ................................................. 71
Figure 40 Management: F/W Upload ..................................................................... 72
Figure 41 Management: Firmware Upgrading Screen ........................................... 73
Figure 42 Network Temporarily Disconnected ....................................................... 73
Figure 43 Management: Firmware Upload Error .................................................... 73
Figure 44 Pop-up Blocker ...................................................................................... 78
Figure 45 Internet Options ..................................................................................... 79
Figure 46 Internet Options: Settings ...................................................................... 80
Figure 47 Pop-up Blocker Settings ........................................................................ 81
Figure 48 Internet Options: Custom Level ............................................................. 82
Figure 49 Security Settings - Java Scripting .......................................................... 83
Figure 50 Security Settings - Java ......................................................................... 84
Figure 51 Java (Sun) .............................................................................................. 85
Figure 52 Pinging the G-470 .................................................................................. 85
Figure 53 WPA-PSK Authentication ....................................................................... 93
Figure 54 WPA(2) with RADIUS Application Example ........................................... 93
Figure 55 WIndows 95/98/Me: Network: Configuration .......................................... 96
Figure 56 Windows 95/98/Me: TCP/IP Properties: IP Address .............................. 97
Figure 57 Windows 95/98/Me: TCP/IP Properties: DNS Configuration ................. 98
Figure 58 Windows XP: Start Menu ....................................................................... 99
Figure 59 Windows XP: Control Panel ................................................................... 99
Figure 60 Windows XP: Control Panel: Network Connections: Properties ............ 100
Figure 61 Windows XP: Local Area Connection Properties ................................... 100
Figure 62 Windows XP: Advanced TCP/IP Settings .............................................. 101
Figure 63 Windows XP: Internet Protocol (TCP/IP) Properties .............................. 102
Figure 64 Macintosh OS 8/9: Apple Menu ............................................................. 103
Figure 65 Macintosh OS 8/9: TCP/IP ..................................................................... 103
Figure 66 Macintosh OS X: Apple Menu ................................................................ 104
Figure 67 Macintosh OS X: Network ...................................................................... 105
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G-470 User’s Guide
List of Tables 17
List of Tables
Table 1 The ZyXEL Device: Front Panel Lights. ................................................... 23
Table 2 The ZyXEL Device: Rear Panel Connections ........................................... 23
Table 3 Web Configurator: the Status screen ........................................................ 40
Table 4 Status: View Statistics ............................................................................... 42
Table 5 Private IP Address Ranges ...................................................................... 51
Table 6 System Settings ........................................................................................ 52
Table 7 Wireless: Wireless Settings ...................................................................... 59
Table 8 Wireless: the AP Survey Screen .............................................................. 60
Table 9 Wireless Security Levels .......................................................................... 61
Table 10 Wireless Security: Disable ...................................................................... 62
Table 11 Wireless Security: WEP .......................................................................... 63
Table 12 Wireless Security: WPA-PSK ................................................................. 64
Table 13 Wireless Security: WPA(2) ..................................................................... 65
Table 14 Wireless Security: 802.1x ....................................................................... 67
Table 15 Management: Password ......................................................................... 69
Table 16 Management: Configuration File: Restore Configuration ....................... 71
Table 17 Management: F/W Upload ...................................................................... 72
Table 18 Troubleshooting the Start-Up of Your ZyXEL Device .............................. 75
Table 19 Troubleshooting the Password ............................................................... 75
Table 20 Troubleshooting Link Quality .................................................................. 76
Table 21 Troubleshooting the Ethernet Interface .................................................. 76
Table 22 Troubleshooting the Ethernet Interface .................................................. 77
Table 23 Product Specifications ............................................................................ 87
Table 24 Comparison of EAP Authentication Types .............................................. 90
Table 25 Wireless Security Relational Matrix ........................................................ 94
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G-470 User’s Guide
18 List of Tables
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G-470 User’s Guide
Preface 19
Preface
Congratulations on your purchase of the G-470 802.11g Wireless Ethernet Adapter.
Note: Register your product online to receive e-mail notices of firmware upgrades and
information at www.zyxel.com for global products, or at www.us.zyxel.com for North
American products.
Your ZyXEL Device is easy to install and configure. This User's Guide is designed to guide
you through the configuration of your ZyXEL Device using the web configurator.
Related Documentation
• Supporting Disk
Refer to the included CD for support documents.
• Quick Start Guide
The Quick Start Guide is designed to help you get up and running right away. It contains
hardware installation/connection information.
• ZyXEL Glossary and Web Site
Please refer to www.zyxel.com for an online glossary of networking terms and additional
support documentation.
User’s Guide Feedback
Help us help you. E-mail all User Guide-related comments, questions or suggestions for
improvement to techwriters@zyxel.com.tw or send regular mail to The Technical Writing
Team, ZyXEL Communications Corp., 6 Innovation Road II, Science-Based Industrial Park,
Hsinchu, 300, Taiwan. Thank you.
Syntax Conventions
• “Enter” means for you to type one or more characters. “Select” or “Choose” means for
you to use one predefined choice.
• Mouse action sequences are denoted using a comma. For example, “In Windows, click
Start, Settings and then Control Panel” means first click the Start button, then point
your mouse pointer to Settings and then click Control Panel.
• “e.g.,” is a shorthand for “for instance”, and “i.e.,” means “that is” or “in other words”.
• The G-470 802.11g Wireless Ethernet Adapter may be referred to as the ZyXEL Device
in this user’s guide.
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G-470 User’s Guide
20 Preface
Graphics Icons Key
Wireless Access Point Computer Notebook Computer
Server Modem Wireless Signal
Internet Cloud Printer
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G-470 User’s Guide
Chapter 1 Getting Started 21
CHAPTER 1
Getting Started
This chapter introduces the ZyXEL Device and prepares you to use the Web Configurator.
1.1 About Your ZyXEL Device
The G-470 is an IEEE 802.11g compliant wireless LAN Ethernet adapter.
It acts as a bridge between your computer and a wireless network access point (AP) as in the
following diagram, where A is your computer, B is the ZyXEL Device and C is the access
point.
Figure 1 Device application: Basic
You can also use the ZyXEL Device to connect your home or small office network to a
wireless network access point (AP) as in the following diagram, where A and B are your
computers, C is your network printer, D is your Ethernet switch, E is the ZyXEL Device and F
is the access point. When using a switch or router, up to sixteen network devices can access
the Internet through the ZyXEL Device at any one time.
Figure 2 Device Application: Home Network
With the ZyXEL Device, you can enjoy wireless mobility within the coverage area.
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The following lists the main features of your ZyXEL Device. See the product specifications in
the appendix for detailed features.
• Hardware
An external antenna.
Lights to indicate power, device status, LAN status, WLAN status and link quality.
Easy, driver-free installation.
•Wireless LAN
Your device can communicate with other IEEE 802.11b/g compliant wireless devices.
Automatic data rate selection.
Roaming capability.
• Ethernet
A built-in RJ-45 Ethernet port that connects to any Ethernet device.
DHCP client support.
Power over Ethernet (PoE) support.
• Management
The ZyXEL Device allows you to locate and configure the device from any computer on
the network.
Embedded web-based configurator.
Firmware upgradeable.
• Security
Offers 64-bit and 128-bit WEP (Wired Equivalent Privacy) data encryption for network
security.
Supports IEEE802.1x, Wi-Fi Protected Access (WPA) and WPA2.
Password-protected management interface.
1.1.1 ZyXEL Device Hardware Installation
• Follow the instructions in the Quick Start Guide to make hardware connections.
Figure 3 The ZyXEL Device: Front Panel
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The following table describes the front panel of the ZyXEL Device.
Table 1 The ZyXEL Device: Front Panel Lights.
Figure 4 The ZyXEL Device: Rear Panel
The following table describes the rear panel of the ZyXEL Device.
Table 2 The ZyXEL Device: Rear Panel Connections
1.1.2 Application Overview
This section describes some network applications for the ZyXEL Device.
LIGHT STATUS DESCRIPTION
POWER The light is on.
The light is off.
The power is on.
The power is off.
STATUS The light is off.
The light is blinking orange.
The device is ready.
The device is not ready, or is rebooting.
LAN The light is on.
The light is blinking.
The light is off.
Ethernet is connected.
Ethernet is connected, and is sending or receiving data.
Ethernet is not connected.
WLAN The light is on.
The light is blinking.
The light is off.
The device is connected to the wireless network.
The device is scanning for an access point (AP).
The device is not connected to the wireless network.
SIGNAL The blinking frequency of the SIGNAL light indicates the quality of the wireless signal.
The light is steady on. Signal strength is 80% or more.
The light is blinking once a second. Signal strength is between 60 and 79%.
The light is blinking twice a second. Signal strength is between 30 and 59%.
The light is blinking four times a
second.
Signal strength is below 29%.
The light is off. The wireless network is not connected.
LABEL DESCRIPTION
1 External antenna connector (R-SMA type)
2 Reset button
3 ETHERNET port
4 POWER socket
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1.1.2.1 Infrastructure
Infrastructure mode allows your ZyXEL Device to connect to a network via an access point
(AP). Through the AP, you can access the Internet or the wired network behind the AP.
Figure 5 Application: Infrastructure
1.1.2.2 Roaming
In an infrastructure network, wireless stations are able to switch from one BSS to another as
they move between the coverage areas. During this period, the wireless stations maintain
uninterrupted connection to the network. This is known as roaming. As the wireless station
moves from place to place, it is responsible for choosing the most appropriate AP depending
on the signal strength, network utilization or other factors.
The following figure depicts a roaming example. When Wireless Station B moves to position
X, its wireless device automatically switches the channel to the one used by access point AP 2
in order to stay connected to the network.
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Figure 6 Roaming Example
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CHAPTER 2
Tutorial
2.1 Connecting to an Access Point
This example shows you how to connect your ZyXEL Device to an access point (AP)
configured for WPA-PSK security, in order to access the Internet.
In the following diagram, your computer is labeled A, the ZyXEL Device is labeled B and the
access point is labeled C.
2.1.1 Before You Start
Before you connect to the AP, you must know its Service Set IDentity (SSID) and WPA-PSK
pre-shared key.
In this example, the AP's SSID is "AP6" and its pre-shared key is "ThisismyWPA-PSKpre-
sharedkey".
Connect your ZyXEL Device to your computer's Ethernet port and set your computer's IP
address as shown in the Quick Start Guide.
2.1.2 The Web Configurator
Use the following steps to set up your Internet connection using the Web Configurator.
1Open your Internet browser and enter 192.168.1.11 in the Address (URL) bar.
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2The Login screen appears. Enter admin as the username and 1234 as the password, then
click Login.
3In the Status screen, click on Wireless.
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4The Wireless Settings screen appears. Click AP Survey to search for available wireless
access points.
The Access Point List screen displays. The Security Mode entry shows that AP6 is
using WPA-PSK security with TKIP data encryption.
5Click on the AP6 entry. The AP Survey window closes, and the entry AP6 now appears
in the Wireless Settings screen’s SSID field.
6In the Wireless Settings screen’s Advanced Settings section, ensure that Radio Enable
is checked Ye s .
7Click Apply to save your wireless settings.
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The following message appears in the Status bar.
8Next, click the Security tab.
In the Security screen, select WPA-PSK from the Encryption Method menu. Select
TKIP from the Data Encryption menu. Enter your PSK "ThisismyWPA-pre-sharedkey"
in the Pre-Shared Key box and click Apply.
The following message appears in the Status bar.
The ZyXEL Device automatically tries to connect to the AP using your settings. The
following message then appears in the Link Status bar.
9Go back to the Status screen, and check that your wireless settings are correctly
configured.
Enter a web site's URL in your Internet browser’s address bar.
If you are able to access the web site, your wireless connection is successfully configured.
Go back to the Web Configurator and log out ( ).
If you cannot access the web site, check the Troubleshooting section of this User's Guide
or contact your network administrator.
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CHAPTER 3
Wireless LAN Network
This chapter provides background information on wireless LAN networks.
3.1 Wireless LAN Overview
The following figure provides an example of a wireless network with an AP.
Figure 7 Example of a Wireless Network
The wireless network is the part in the blue circle. In this wireless network, devices A and B
are called wireless clients. The wireless clients use the access point (AP) to interact with other
devices (such as the printer) or with the Internet
Every wireless network must follow these basic guidelines.
• Every device in the same wireless network must use the same SSID.
The SSID is the name of the wireless network. It stands for Service Set IDentity.
• If two wireless networks overlap, they should use a different channel.
Like radio stations or television channels, each wireless network uses a specific channel,
or frequency, to send and receive information.
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• Every device in the same wireless network must use security compatible with the AP or
peer computer.
Security stops unauthorized devices from using the wireless network. It can also protect
the information that is sent in the wireless network.
3.2 Wireless LAN Security
Wireless LAN security is vital to your network to protect wireless communications.
If you do not enable any wireless security on your ZyXEL Device, the ZyXEL Device’s
wireless communications are accessible to any wireless networking device that is in the
coverage area. See Section 6.4 on page 61 for more information on configuring wireless
security for your device.
3.2.1 User Authentication and Encryption
User authentication is when every user must log in to the wireless network before they can use
it. However, every wireless client in the wireless network has to support IEEE 802.1x to do
this.
Wireless networks can use encryption to protect the information that is sent in the wireless
network. Encryption is like a secret code. If you do not know the secret code, you cannot
understand the message.
3.2.1.1 Certificates
Your ZyXEL Device can use certificates (also called digital IDs) for user authentication.
Certificates are based on public-private key pairs. A certificate contains the certificate owner’s
identity and public key. Certificates provide a way to exchange public keys for use in
authentication.
A Certification Authority (CA) issues certificates and guarantees the identity of each
certificate owner. There are commercial certification authorities like CyberTrust or VeriSign
and government certification authorities.
In public-key encryption and decryption, each host has two keys. One key is public and can be
made openly available; the other key is private and must be kept secure. Public-key encryption
in general works as follows.
1Tim wants to send a private message to Jenny. Tim generates a public key pair. What is
encrypted with one key can only be decrypted using the other.
2Tim keeps the private key and makes the public key openly available.
3Tim uses his private key to encrypt the message and sends it to Jenny.
4Jenny receives the message and uses Tim’s public key to decrypt it.
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5Additionally, Jenny uses her own private key to encrypt a message and Tim uses Jenny’s
public key to decrypt the message.
The certification authority uses its private key to sign certificates. Anyone can then use the
certification authority’s public key to verify the certificates.
3.2.1.2 WEP
3.2.1.2.1 Data Encryption
WEP (Wired Equivalent Privacy) encryption scrambles all data packets transmitted between
the ZyXEL Device and the AP or other wireless stations to keep network communications
private. Both the wireless stations and the access points must use the same WEP key for data
encryption and decryption.
There are two ways to create WEP keys in your ZyXEL Device.
• Automatic WEP key generation based on a “password phrase” called a passphrase. The
passphrase is case sensitive. You must use the same passphrase for all WLAN adapters
with this feature in the same WLAN.
For WLAN adapters without the passphrase feature, you can still take advantage of this
feature by writing down the four automatically generated WEP keys from the Security
Settings screen of the ZyXEL utility and entering them manually as the WEP keys in the
other WLAN adapter(s).
• Enter the WEP keys manually.
Your ZyXEL Device allows you to configure up to four 64-bit or 128-bit WEP keys.
Only one key is used as the default key at any one time.
3.2.1.2.2 Authentication Type
The IEEE 802.11b/g standard describes a simple authentication method between the wireless
stations and AP. Three authentication types are defined: Auto, Open System and Shared
Key.
• Open System mode is implemented for ease-of-use and when security is not an issue.
The wireless station and the AP or peer computer do not share a secret key (WEP key).
Thus the wireless stations can associate with any AP or peer computer and listen to any
transmitted data that is not encrypted.
• Shared Key mode involves a shared secret key (WEP key) to authenticate the wireless
station to the AP or peer computer. This requires you to enable the wireless LAN security
and use same settings on both the wireless station and the AP or peer computer.
• Auto authentication mode allows the ZyXEL Device to switch between the open system
and shared key modes automatically. Use the auto mode if you do not know the
authentication mode of the other wireless stations.
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3.2.1.3 IEEE 802.1x
The IEEE 802.1x standard outlines enhanced security methods for both the authentication of
wireless stations and encryption key management. Authentication can be done using an
external RADIUS server.
3.2.1.3.1 EAP Authentication
EAP (Extensible Authentication Protocol) is an authentication protocol that runs on top of the
IEEE 802.1x transport mechanism in order to support multiple types of user authentication. By
using EAP to interact with an EAP-compatible RADIUS server, an access point helps a
wireless station and a RADIUS server perform authentication.
The type of authentication you use depends on the RADIUS server and an intermediary AP(s)
that supports IEEE 802.1x. The ZyXEL Device supports EAP-TLS, EAP-TTLS and EAP-
PEAP. Refer to the Wireless Security appendix for descriptions.
For EAP-TLS authentication type, you must first have a wired connection to the network and
obtain the certificate(s) from a certificate authority (CA). A certificate (also called a digital ID)
can be used to authenticate users, and a CA issues certificates and guarantees the identity of
each certificate owner.
3.2.1.4 WPA
Wi-Fi Protected Access (WPA) is a subset of the IEEE 802.11i standard.
WPA improves data encryption by using Temporal Key Integrity Protocol (TKIP), Message
Integrity Check (MIC) and IEEE 802.1x. WPA and WPA2 use Advanced Encryption Standard
(AES) in the Counter mode with Cipher block chaining Message authentication code Protocol
(CCMP) to offer stronger encryption than TKIP.
Select WEP only when the AP does not support WPA. WEP is less secure than WPA.
3.2.1.5 WPA2
WPA 2 (IEEE 802.11i) is a wireless security standard that defines stronger encryption,
authentication and key management than WPA.
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CHAPTER 4
Introducing the Web
Configurator
This chapter shows you how to configure the ZyXEL Device using the embedded web
configurator.
4.1 Web Configurator Overview
The embedded web configurator allows you to manage the ZyXEL Device from anywhere
through a browser such as Microsoft Internet Explorer or Netscape Navigator. Use Internet
Explorer 6.0 and later or Netscape Navigator 7.0 and later versions with JavaScript enabled. It
is recommended that you set your screen resolution to 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.
4.1.1 Setting Up Your Computer's IP Address
You must prepare your computer / computer network to connect to the ZyXEL Device. Your
computer's IP address and subnet mask must be on the same subnet as the ZyXEL Device.
This can be done by setting up your computer's IP address.
The following figure shows you an example of accessing your ZyXEL Device via a wired
connection with an Ethernet cable.
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Figure 8 Wired Connection
Note: Skip this section if your computer's IP address is already between 192.168.1.12
and 192.168.1.254 with subnet mask 255.255.255.0.
Your computer must have a network card and TCP/IP installed. TCP/IP should already be
installed on computers using Windows NT/2000/XP, Macintosh OS 7 and later operating
systems. Refer to the appendix about setting up your computer's IP address for other operating
systems.
4.1.1.1 Windows 2000/NT/XP
The following example figures use the default Windows XP GUI theme. For details on setting
up your computer’s IP address using other operating systems, refer to the appendices.
1Click start (Start in Windows 2000/NT) > Settings > Control Panel.
2In the Control Panel, double-click Network Connections (Network and Dial-up
Connections in Windows 2000/NT).
Figure 9 Control Panel
3Right-click Local Area Connection and then Properties.
192.168.1.15
Default IP Address:
192.168.1.11
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Figure 10 Network Connection
4Select Internet Protocol (TCP/IP) and then click Properties.
Figure 11 Local Area Connection Properties
5Select Use the following IP Address and fill in an IP address (between 192.168.1.12
and 192.168.1.254).
• Type 255.255.255.0 as the Subnet mask.
• Click Advanced1.
1. See the appendices for information on configuring DNS server addresses.
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Figure 12 Internet Protocol Properties
6Remove any previously installed gateways in the IP Settings tab and click OK to go back
to the Internet Protocol TCP/IP Properties screen.
Figure 13 Advanced TCP/IP Settings
7Click OK to close the Internet Protocol (TCP/IP) Properties window.
8Click Close (OK in Windows 2000/NT) to close the Local Area Connection Properties
window.
Close the Network Connections window (Network and Dial-up Connections in Windows
2000/NT).
No
gateways
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4.2 Accessing the Web Configurator
Follow the steps below to access the web configurator using a web browser.
1Make sure your ZyXEL Device is properly connected and prepare your computer/
network to connect to the G-470.
2Launch your web browser.
3Type http://192.168.1.11 (default) as the URL and press [ENTER].
4A login screen displays as shown.
Figure 14 Web Configurator: Login Screen
5Enter admin (default) as the username and 1234 (default) as the password and click
Login.
The Status screen displays.
4.2.1 The Status Screen
The Status screen displays every time you access the web configurator and can also be
accessed by clicking on the Status icon. The Status screen displays a snapshot of your
device’s settings. You can also view network statistics and a list of wireless stations currently
associated with your device. Note that these labels are READ-ONLY and are meant to be used
for diagnostic purposes.
Figure 15 Web Configurator: the Status icon
This screen shows the current configuration of your ZyXEL Device.
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Figure 16 Web Configurator: the Status screen
The following table describes the labels in this screen.
Table 3 Web Configurator: the Status screen
LINK/ICON FUNCTION
Wizard Use these screens for initial configuration including general
setup, wireless and security settings.
About Click this icon to see details about your ZyXEL Device.
Logout Click this icon to exit the web configurator.
Status Use this screen to look at the ZyXEL Device’s general device,
system and interface status information.
System Use this screen to change the name of the device and change
IP address settings.
Wireless Wireless Settings Use this screen to check for available access points and
configure basic and advanced wireless network setup.
Security Use this screen to configure encryption settings.
Management Password Use this screen to change your password.
Configuration File Use this screen to backup and restore configuration files and
reset the ZyXEL Device to its factory default settings.
F/W Upload Use this screen to upload new firmware.
Device
Information
Device Name This is the same as the device name you entered in the first
wizard screen if you entered one there. It is for identification
purposes.
Click the Logout icon at any time
to exit the web configurator.
Use
submenus
to configure
the ZyXEL
Device
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4.3 Navigating the Web Configurator
The following section summarizes how to navigate the web configurator from the Status
screen.
4.3.1 Change Your Password
After you log in for the first time, it is strongly recommended that you change the default
administrator password.
Click Management on the left of the Status screen to access the following screen.
MAC Address This field displays the MAC address of the device.
The MAC (Media Access Control) or Ethernet address on a LAN
(Local Area Network) is unique to your computer. A network
interface device such as an Ethernet adapter has a hardwired
address that is assigned at the factory. This address follows an
industry standard that ensures no other adapter has a similar
address.
Firmware Version This is the ZyNOS Firmware version and the date created.
ZyNOS is ZyXEL's proprietary Network Operating System
design.
Wireless Settings SSID This is the name used to identify the ZyXEL Device in the
wireless LAN. The default SSID is “ZyXEL”.
Channel This is the channel number used by the ZyXEL Device now.
Encryption
Method
This displays the type of wireless security used by the ZyXEL
Device now.
IP Settings IP Address This field displays the IP address of the device.
Subnet Mask This field displays the subnet mask of the device.
Gateway IP
Address
This field displays the IP address of the gateway device.
Summary View Statistics Click View Statistics to see performance statistics such as
number of packets sent and number of packets received.
Status This field shows messages about the ZyXEL Device’s current
condition.
Link Status This field shows messages about the quality of the ZyXEL
Device’s wireless connection.
Refresh Interval Use the drop-down list box to select how often you want the
device to renew the information on this screen.
Refresh Now Click this button to have the device renew the information on
this screen.
LINK/ICON FUNCTION
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Figure 17 Web Configurator: Change Administrator Login Password
Enter a new password between 1 and 19 characters, retype it to confirm and click Apply. Click
on Reset to clear all fields.
4.3.2 Statistics
Click View Statistics in the Status screen. This screen displays read-only information
including port status and packet specific statistics. Also provided are "system up time" and
"poll interval". The Poll Interval field is configurable.
Figure 18 View Statistics
The following table describes the labels in this screen.
Table 4 Status: View Statistics
LABEL DESCRIPTION
Ethernet
Packets This row displays the numbers of packets received and transmitted
by the Ethernet port.
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4.4 Configuring the ZyXEL Device Using the Wizard
The wizard consists of a series of screens to help you configure your ZyXEL Device to access
the wireless network.
Use the following buttons to navigate the Wizard:
No configuration changes will be saved to the ZyXEL Device until you click Finish.
4.4.1 Wizard: Basic Settings
Click on the Wizard icon in the Status screen to start the setup wizard ( ). The Basic
Settings screen appears.
1Enter a descriptive name to identify the device in the Ethernet network.
2Select Obtain IP Address Automatically only if you want to put the device behind a
router that assigns an IP address.
Warning: If you select Obtain IP Address Automatically you will not be able to access the
ZyXEL Device through the Web Configurator unless you have a router that assigns an IP
address. If you select this by mistake, use the RESET button to restore the factory default IP
address.
Bytes This row displays the numbers of bytes received and transmitted
by the Ethernet port.
Wireless
Unicast
Packets
This row displays the numbers of unicast packets received and
transmitted by the wireless adapter.
Broadcast
Packets
This row displays the numbers of broadcast packets received and
transmitted by the wireless adapter.
Multicast
Packets
This row displays the numbers of multicast packets received and
transmitted by the wireless adapter.
Tota l
Packets
This row displays the numbers of all types of packets received and
transmitted by the wireless adapter.
Total Bytes This row displays the numbers of bytes received and transmitted
by the wireless adapter.
System Up Time This is the total time the device has been on.
Poll Interval(s) Enter the time interval for refreshing statistics.
Set Interval Click this button to apply the new poll interval you entered above.
Stop Click this button to stop refreshing statistics.
Table 4 Status: View Statistics
LABEL DESCRIPTION
Back Click Back to return to the previous screen.
Next Click Next to continue to the next screen.
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3Select Use fixed IP Address to give the device a static IP address. The IP address you
configure here is used for management of the device (accessing the web configurator).
4Enter a Subnet Mask appropriate to your network and the Gateway IP Address of the
neighboring device, if you know it. If you do not, leave the Gateway IP Address field as
0.0.0.0.
Figure 19 Setup Wizard 1: Basic Settings
Click Next to continue.
4.4.2 Wizard: Wireless Settings
Use this wizard screen to set up the wireless LAN. See the chapter on the wireless screens for
background information.
1The SSID is a unique name to identify the device in a wireless network. Enter up to 32
printable characters. Spaces are allowed. If you change the SSID on the device, make
sure all wireless stations use the same SSID in order to access the network.
Note: The wireless AP and your ZyXEL Device must use the same SSID, channel
and wireless security settings for wireless communication.
Do not select this unless you have a router
that can assign the G-470 an IP address.
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Figure 20 Setup Wizard 2: Wireless Settings.
Click Next to continue, or Back to return to the Basic Settings screen.
4.4.3 Wizard: Security Settings
Use this screen to configure security for your wireless LAN connection. The screen varies
depending on what you select in the Encryption Method field. Select Disable to have no
wireless security configured, select WEP, or select WPA-PSK if your wireless AP supports
WPA-PSK.
In the Status page, go to Wireless > Security if you want to use WPA2, WPA or 802.1x. See
Chapter 6 on page 55 for background information.
4.4.3.1 Disable
Select Disable to have no wireless LAN security configured. If you do not enable any
wireless security on your device, your network is accessible to any wireless networking device
that is within range.
Note: With no wireless security a neighbor can access and see traffic in your network.
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Figure 21 Setup Wizard 3: Disable
4.4.3.2 WEP
1WEP (Wired Equivalent Privacy) encrypts data frames before transmitting them over the
wireless network. Select 64-bit or 128-bit from the WEP Encryption drop-down list box
and then follow the on-screen instructions to set up the WEP keys.
2Choose an encryption level from the drop-down list. The higher the WEP encryption, the
higher the security but the slower the throughput.
3You can generate or manually enter a WEP key.
• If you selected 64-bit or 128-bit WEP, you can enter a Passphrase (up to 16 printable
characters) and click Generate. The device automatically generates WEP keys. One key
displays in the Key 1 field. Go to Wireless > Security if you want to see the other WEP
keys.
or
• Enter a manual key in the Key 1 field.
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Figure 22 Wizard 3: WEP
4.4.3.3 WPA-PSK
Select WPA-PSK only if your wireless AP supports it.
Type a pre-shared key from 8 to 63 ASCII characters (including spaces and symbols). This
field is case-sensitive.
Use Passphrase to
automatically generate
keys or manually enter
a key in the Key 1 field.
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Figure 23 Wizard 3: WPA(2)-PSK
4.4.4 Wizard: Confirm Your Settings
This read-only screen shows the status of the current settings. Use the summary table to check
whether what you have configured is correct. Click Finish to complete the wizard
configuration and save your settings.
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Figure 24 Wizard: Confirm Your Settings
4.5 Using the AP Survey tool
To scan for available wireless access points in your network, click AP Survey in the Wireless
screen. Wait for the scan process to complete. A screen displays showing the scan results.
Click on an entry in the SSID column to select that device for the Basic Settings SSID field in
your Wireless page. See Section 6.3.1 on page 60 for more information on using the AP
Survey screen.
4.6 Resetting the ZyXEL Device
If you forget your password or cannot access the ZyXEL Device you will need to reset the
ZyXEL Device to the factory defaults. This means that you will lose all configurations that
you had previously saved. The username will be reset to admin and the password to 1234.
4.6.1 Restoring Factory Defaults
You can erase the current configuration and restore factory defaults in two ways:
• Use the RESET button on the ZyXEL Device to reset to the factory defaults. Use this
method for cases when the password or IP address of the ZyXEL Device is not known.
• Use the web configurator to restore defaults.
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4.6.1.1 Using the RESET Button
Make sure the POWER light is steady on.
1Press the RESET button for about 10 seconds, then release it and press the button in once.
2If the POWER light begins to blink, the defaults have been restored and the ZyXEL
Device restarts.
Wait for the ZyXEL Device to finish restarting before accessing it again.
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CHAPTER 5
System Screen
This chapter provides information on the System screen.
5.1 TCP/IP Parameters
5.1.1 IP Address Assignment
Every computer on the Internet must have a unique IP address. If your networks are isolated
from the Internet (for instance, 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.
You can obtain your IP address from the IANA, from an ISP or have it assigned by 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.
Note: 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.
5.1.2 IP Address and Subnet Mask
Similar to the way houses on a street share a common street name, 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.
Table 5 Private IP Address Ranges
10.0.0.0 - 10.255.255.255
172.16.0.0 - 172.31.255.255
192.168.0.0 - 192.168.255.255
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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. 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 (in this case, 192, 168 and 1) 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, 192.168.1.2, for your 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 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 device unless you are instructed to do
otherwise.
5.2 System Settings
Click System to open the System Settings screen.
Figure 25 System Settings
The following table describes the labels in this screen.
Table 6 System Settings
LABEL DESCRIPTION
Device Name This name can be up to 15 printable characters long. Spaces are allowed.
IP Address Assignment
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Obtain IP Address
Automatically
Select this option to have your device use a dynamically assigned IP address from
a router each time.
Warning: If you select Obtain IP Address Automatically you will not
be able to access the ZyXEL Device through the Web Configurator unless
you have a router that assigns an IP address. If you select this by mistake,
use the RESET button to restore the factory default IP address.
Use fixed IP
address
Select this option to have your device use a static IP address. When you select this
option, fill in the fields below.
IP Address Enter the IP address of your device in dotted decimal notation.
Subnet Mask Enter the subnet mask.
Gateway IP
Address
Type the IP address of the gateway. The gateway is a router or switch on the same
network segment as the device. The gateway helps forward packets to their
destinations. Leave this field as 0.0.0.0 if you do not know it.
Apply Click Apply to save your changes to the device. The ZyXEL Device will restart
using the new settings and you will need to log in again.
Note: If you have changed the IP address, you will need to use the
new address to log in to the ZyXEL Device.
Reset Click Reset to clear any unsaved changes to this screen.
Table 6 System Settings
LABEL DESCRIPTION
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