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ZyXEL Communications G-162, G-360 Problems Communicating With Other Computers, Troubleshooting

Models: G-162 G-360

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5.5Problems Communicating With Other Computers

ZyXEL G-162/G-360 User’s Guide

5.5Problems Communicating With Other Computers

Table 5-5 Troubleshooting Communication Problems

PROBLEM	CORRECTIVE ACTION
The ZyXEL G-162/G-360 Make sure your adapters are connected to the network.
computer cannot
communicate with the
other computer.

A.Infrastructure Make sure that the AP and the associated computers are turned on and working properly.

Make sure the ZyXEL G-162/G-360 computer and the associated AP use the same SSID.

Change the AP and the associated wireless clients to use another radio channel if interference is high.

Make sure that the computer and the AP share the same security option and key. Verify the settings in the Profile Security Settings screen.

B.Ad-Hoc (IBSS) Verify that the peer computer(s) is turned on.

Make sure the ZyXEL G-162/G-360 computer and the peer computer(s) are using the same SS ID and channel.

Make sure that the computer and the peer computer(s) share the same security option and key.

Change the wireless clients to use another radio channel if interference is high.

Troubleshooting

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ZyXEL Communications G-162, G-360 Problems Communicating With Other Computers, 5 Troubleshooting Communication Problems

Contents

802.11b/g Wireless LAN Adapter ZyXEL G-162/G-360 User’s GuideZyXEL G-162/G-360 Users GuideCopyright 2005 by ZyXEL Communications Corporation CopyrightDisclaimer TrademarksOnline Registration ZyXEL Limited WarrantyFCC Certification Part 15, Class BFederal Communications Commission FCC Interference Statement Customer Support viii Table of Contents2-15 Chapter 2 Wireless LAN NetworkingZyXEL G-162/G-360 User’s Guide Table Of ContentsAbout This Users Guide PrefaceSyntax Conventions Related DocumentationPreface Graphics Icons KeyWireless Access Point Wireless SignalPage 1.3 Using the ZyXEL Utility to Configure Your Network 1.2 ZyXEL G-162/G-360 Hardware and Utility InstallationChapter Getting Started 1.1 About Your ZyXEL G-162/G-360Double-clicking on the Z icon will display the following ZyXEL utility window 1.3.1 Site Survey Configure Use Windows Zero ConfigurationConnect Rescanshould use the same SSID whatever your choice is e. Band shows you 802.11b and 802.11g on the 2.4GHz 2.2 Enable CCX Mode refers the Cisco Compatible Extension, which is the certificate-based authentications EAP-TLS, PEAP and LEAP using dynamic keys for data encryption. Check this box will enable PEAP-MS-CHAP-V2, PEAP-GTC, TLS and LEAP. Please see your MIS administrator for these settings when you are about to enable one of these mode. Please refer to Ch4-Configuring Wireless Security for detail WEP-802.1x and WPA-802.1x authentication information. Also, please see the User Guide of Funk Odyssey software for more WPA-enterprise security settings Advanced Mode This screen Bottom Red Rectangle allows you to make changes to the default ways the card operates including advanced 802.11 settings. Unless you are an advanced user and have deep knowledge about each property on this page, it is recommended that you leave them at the default settings. For more information, please refer to section 2.3 and 1.3.2 Profile Active Profiles Profile Pool1.3.3 Link Info supporting OTIST, you must also make the same change here Table 1.2 Link InfoReceive Connection Information TransmitNetwork Information 1-13ZyXEL Website 1.3.4 About2.1.4 Wireless Network Application Chapter Wireless LAN Networking2.1 Overview 2.1.1 SSIDFigure 2-1 IBSS Example Ad-Hoc IBSStype and use the same SSID and channel Infrastructure BSS Figure 2-2 BSS ExampleFigure 2-3 Infrastructure Network Example 2.1.5 Roaming2.2 Wireless LAN Security Figure 2-5 Wireless LAN Security LevelsFigure 2-4 Roaming Example 2.2.2 WPA-PSK and WPA2-PSK Application Example 2.2.1 Data Encryption with WEP2.2.3 WPA and WPA2 with RADIUS Application Example Figure 2-6 WPA-PSK/WPA2-PSK AuthenticationEAP Authentication 2.2.4 IEEEFigure 2-7 WPA/WPA2 with RADIUS Application Example 2.3 Fragmentation Threshold 2.4 RTS/CTS ThresholdFigure 2-8 RTS Threshold The wireless adapter must also support OTIST and have OTIST enabled 2.5 OTIST One Touch Intelligent Security Technologynegatively affect the throughput performance Page Maintenance Chapter Maintenance3.1 The About Screen ZyXEL G-162/G-360 User’s GuideAbout 3.2 Uninstalling the ZyXEL Utility3.3 Upgrading the ZyXEL Utility network configurationPage Chapter Configuring Wireless Security 4.1 Configuring SecurityAP/Router, it will fail to connect the network 1. Select WEP under Security 2. Select Auto under Authentication Mode 4.2 Configuring WEP3. Click Configure. You will then see the screen below Wireless Security6. Key Format Select either Hex or ASCII to enter the WEP key 4.3 Configuring WPA-PSK 4. Enter the same pass phrase used to configure WPA-PSK on your access point 4.4 Configuring WPA2-PSK Wireless SecurityZyXEL G-162/G-360 User’s Guide ZyXEL G-162/G-360 User’s Guide Wireless Security4.5 Configuring WEP-802.1x 4.5.1 Configuring WEP-802.1x EAP-LEAP Wireless SecurityZyXEL G-162/G-360 User’s Guide b. Enter login name and password under the Login Name and Password 4-10Wireless Security ZyXEL G-162/G-360 User’s Guide4-11 4.5.2 Configuring WEP-802.1x EAP-PEAP-MS-CHAPv2Wireless Security ZyXEL G-162/G-360 User’s Guide8. Select a certificate from the list, and click OK 4-13 4.5.3 Configuring WEP-802.1x PEAP-GTCWireless Security ZyXEL G-162/G-360 User’s Guideb. Enter login name and password under the Login Name and Password 4-14Wireless Security ZyXEL G-162/G-360 User’s Guide4-15 4.5.4 Configuring WEP-802.1x EAP-TLSWireless Security ZyXEL G-162/G-360 User’s Guide4-16 Wireless SecurityZyXEL G-162/G-360 User’s Guide 4.6 Configuring WPA-802.1x 4-18 4.6.1 Configuring WPA-802.1x EAP-LEAP7. Select WPA under Security 8. Select LEAP under Authentication Mode 9. Click Configure and then you will see the screen belowd. Enter login name and password under the Login Name and Password 4-19Wireless Security ZyXEL G-162/G-360 User’s Guide4-20 4.6.2 Configuring WPA-802.1x EAP-PEAP-MS-CHAPv210. Select PEAP MS-CHAP-V2 under Authentication protocol 11. Click Configure and then you will see the screen below16. Select a certificate from the list, and click OK 4-22 4.6.3 Configuring WPA-802.1x PEAP-GTC5. Select PEAP-GTC under Authentication Mode 6. Click Configure and then you will see the screen belowb. Enter login name and password under the Login Name and Password 4-23Wireless Security ZyXEL G-162/G-360 User’s Guide4-24 4.6.4 Configuring WPA-802.1x EAP-TLSWireless Security ZyXEL G-162/G-360 User’s Guide4-25 Wireless SecurityZyXEL G-162/G-360 User’s Guide 4-26 4.6.5 Configuring WPA2-802.1x EAP-TLSWireless Security ZyXEL G-162/G-360 User’s Guide4-27 Wireless SecurityZyXEL G-162/G-360 User’s Guide Page 5.1 Problems Starting the ZyXEL Utility Program Chapter TroubleshootingTable 5-1 Troubleshooting Starting ZyXEL Utility Program Troubleshooting5.3 Problems with the Link Status 5.2 Problems with LED Status5.4 Problems with Security Settings Table 5-2 Troubleshooting LED StatusTable 5-5 Troubleshooting Communication Problems 5.5 Problems Communicating With Other ComputersTroubleshooting ZyXEL G-162/G-360 User’s GuidePage EAP-TTLS Tunneled Transport Layer Service Appendix A Types of EAP AuthenticationEAP-MD5 Message-Digest Algorithm EAP-TLS Transport Layer SecurityLEAP Comparison of EAP Authentication Types