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ZyXEL Communications G-162 Troubleshooting, 5.1Problems Starting the ZyXEL Utility Program, Table 5-1Troubleshooting Starting ZyXEL Utility Program

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ZyXEL G-162 User’s Guide

Chapter 5

Troubleshooting

This chapter covers potential problems and the possible remedies. After each problem description, some instructions are provided to help you to diagnose and to solve the problem.

5.1Problems Starting the ZyXEL Utility Program

Table 5-1 Troubleshooting Starting ZyXEL Utility Program

PROBLEM	CORRECTIVE ACTION

Cannot start the ZyXEL	Make sure the G-162 is properly inserted and the LED(s) is on. Refer to the
Wireless LAN Utility	Quick Start Guide for the LED descriptions.
	Use the Device Manager to check for possible hardware conflicts.
	Click Start, Settings, Control Panel, System, Hardware and Device
	Manager. Verify the status of the G-162 under Network Adapter. (Steps may
	vary depending on the version of Windows).
	Install the G-162 in another computer.
	If the error persists, you may have a hardware problem. In this case, you
	should contact your local vendor.
The ZyXEL Utility icon	If you install the Funk Odyssey Client software on the computer, uninstall
does not display.	(remove) both the Funk Odyssey Client software and ZyXEL utility, and then
	install the ZyXEL utility again after restarting the computer.
	If you use the Windows XP configuration tool and the ZyXEL Utility to
	configure the G-162 at the same time, the ZyXEL Utility icon does not display.
	You need to disable the Windows XP configuration tool (refer to Appendix A
	for more information).

Troubleshooting

5-1

Contents

Page Copyright Copyright ©2005 by ZyXEL Communications Corporation Disclaimer Trademarks ZyXEL Limited Warranty NOTE Online Registration Information for Canadian Users Caution Note Federal Communications Commission (FCC) Interference Statement1 Notice Certifications Customer Support Page Page Table of Contents Appendix A Disable Windows XP Wireless LAN Configuration Tool Appendix B Management with Wireless Zero Configuration Appendix E Index List of Figures List of Tables List of Tables Preface About This User's Guide Syntax Conventions Related Documentation User Guide Feedback Graphics Icons Key Getting Started This chapter introduces the G-162and prepares you to use the ZyXEL Utility 1.1About Your G-162 1.2G-162Hardware and Utility Installation 1.3Configuration Methods 1.4Windows XP Users Only 1.5Accessing the ZyXEL Utility Wireless LAN Network This chapter provides background information on wireless LAN network 2.1Overview 2.1.1SSID 2.1.2 Channel Infrastructure (BSS) Ad-hoc (IBSS) Ad-Hoc(IBSS) Figure 2-1IBSS Example Infrastructure (BSS) Figure 2-2BSS Example 2.1.5 Roaming 2.2Wireless LAN Security 2.2.1 Data Encryption with WEP 2.2.2 IEEE 2.2.3 WPA 2.2.4 WPA-PSKApplication Example 2.2.5 WPA with RADIUS Application Example 2.3Fragmentation Threshold 2.4RTS/CTS Threshold 2.5Authentication Type 2.6OTIST (One-TouchIntelligent Security Technology) Using the ZyXEL Utility This chapter shows you how to configure the G-162using the ZyXEL Utility 3.1The Link Info Screen Table 3-1Link Info 3.1.1 Trend Chart 3.2The Site Survey Screen Figure 3-3Site Survey Table 3-3Site Survey 3.2.1 Connecting to a Network 3.2.2 Security Settings The values for the WEP keys must be set up exactly the same on all wireless devices in the same wireless LAN ASCII WEP keys are case sensitive WPA-PSK Figure 3-5Site Survey: Security Settings: WPA-PSK Table 3-5Site Survey: Security Settings: WPA-PSK WPA Figure 3-6Site Survey: Security Settings: WPA The following table describes the labels not previously discussed Table 3-6Site Survey: Security Settings: WPA obtain the certificate(s) from a certificate authority (CA) Consult your network administrator for more information Figure 3-7Site Survey: Security Settings: Table 3-7Site Survey: Security Settings: You must first have a wired connection to a network and 3.3The Profile Screen Figure 3-8Profile Table 3-8Profile 3.3.1 Adding a New Profile Figure 3-9Profile: Add New Profile Table 3-9Profile: Add New Profile Step Figure 3-10Profile: Select a Channel Table 3-10Profile: Select a Channel WPA-PSK WPA Disabled Figure 3-11Profile: Wireless Settings Figure 3-12Profile: Security Settings Save Back Exit Figure 3-13Profile: Confirm New Settings Activate Now Activate Later is started 3.4The Adapter Screen Figure 3-15Adapter Table 3-11Adapter If you change the OTIST setup key on the ZyXEL g+ AP or Page Maintenance This chapter describes how to uninstall or upgrade the ZyXEL Utility 4.1The About Screen 4.2Uninstalling the ZyXEL Utility 4.3Upgrading the ZyXEL Utility Troubleshooting 5.1Problems Starting the ZyXEL Utility Program 5.2Problem with the Link Status 5.3Problems Communicating With Other Computers Appendix A Disable Windows XP Wireless LAN Configuration Tool Via the Wireless Network System Tray Icon Wireless Network Connection Advanced… Diagram 2 Windows XP SP1: Wireless Network Connection Change advanced settings Related Tasks Page Via the Control Panel Diagram 6 Windows XP SP1: Wireless Network Connection Status Diagram 7 Windows XP SP2: Wireless Network Connection Status Page Diagram 9 Windows XP SP2: Wireless Network Connection Properties Page Appendix B Management with Wireless Zero Configuration Activating Wireless Zero Configuration Connecting to a Wireless Network Page Diagram 13 Windows XP SP1: Wireless Network Connection Status Refresh network list Diagram 14 Windows XP SP2: Wireless Network Connection The following table describes the icons in the wireless network list Chart 2 Windows XP SP2: Wireless Network Connection Refresh Available networks Configure Preferred networks Diagram 15 Windows XP SP1: Wireless Network Connection Properties Security Settings Association Properties Diagram 18 Windows XP: Wireless (network) properties: Association Chart 4 Windows XP: Wireless (network) properties: Association Authentication Authentication Wireless (network) properties Diagram 19 Windows XP: Wireless (network) properties: Authentication Chart 5 Windows XP: Wireless (network) properties: Authentication Protected EAP Properties Chart 6 Windows XP: Protected EAP Properties the certificate(s) from a certificate authority (CA). Consult your network administrator for more information Smart Card or other Certificate Properties Ordering the Preferred Networks Page Diagram 23 Windows XP SP1: Wireless Networks: Preferred Networks Move up Move down Remove Appendix C Product Specifications Page Appendix D Types of EAP Authentication EAP-MD5 (Message-DigestAlgorithm 5) EAP-TLS(Transport Layer Security) EAP-TTLS(Tunneled Transport Layer Service) LEAP Appendix E Index Lightweight Extensible Authentication Protocol Link Info MD5 Message Digest Algorithm 5 See MD5 Wired Equivalent Privacy See WEP WEP Wireless LAN Parameters Wireless Network Basics