Manuals / Brands / Computer Equipment / Network Card / ZyXEL Communications / Computer Equipment / Network Card

ZyXEL Communications G-160 Troubleshooting, 4.1Problems Starting the ZyAIR Utility Program, 4.2Problems Communicating With Other Computers

1 59

Download 59 pages, 869.99 Kb

ZyAIR G-160 User’s Guide

Chapter 4

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.

4.1Problems Starting the ZyAIR Utility Program

Table 4-1 Troubleshooting Starting ZyAIR Utility Program

Cannot start the ZyAIR	Make sure the ZyAIR is properly inserted and the LED is on. Refer to the
Wireless LAN Utility	Quick Installation 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 ZyAIR under Network Adapter. (Steps may
	vary depending on the version of Windows).

	Install the ZyAIR in another computer.

	If the error persists, you may have a hardware problem. In this case, you
	should contact your local vendor.

4.2Problems Communicating With Other Computers

Table 4-2 Troubleshooting Communication Problems

PROBLEM	CORRECTIVE ACTION

The ZyAIR computer cannot	Make sure you are connected to the wireless network.
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 ZyAIR and the associated AP use the same SSID.
	Configure the AP to use another radio channel if interference is high.
	Make sure that the computer and the AP share the same wireless security
	settings. Verify the settings in the Privacy screens.

Troubleshooting

4-1

Contents

Page Copyright ZyXEL Limited Warranty Information for Canadian Users Federal Communications Commission (FCC) Interference Statement Page Customer Support Page Table of Contents Appendix B Types of EAP Authentication Index List of Figures List of Tables Preface Page Getting Started 1.1About Your ZyAIR 1.2ZyAIR Hardware and Utility Installation 1.3Disable Windows XP Wireless LAN Configuration Tool 1.3.1 The Connect to Wireless Network Screen Page 1.4Accessing the ZyAIR Utility 1.5Common Screen Command Buttons Page Using the ZyAIR Utility 2.1About Wireless LAN Network 2.1.1 Channel 2.1.2SSID 2.1.3 Transmission Rate (Tx Rate) Ad-Hoc(IBSS) Figure 2-1 Ad-hocNetwork Example To set up an ad-hocnetwork, configure all wireless stations in ad-hocnetwork type and use the same SSID and channel Infrastructure 2.1.5 Roaming 2.1.6 Profile 2.1.7 Threshold Controls 2.1.8 Wireless LAN Security 2.1.9 Data Encryption with WEP 2.1.10 Authentication Mode 2.1.11 Preamble Type 2.1.12 IEEE 2.1.13 WPA 2.1.14 WPA-PSKApplication Example 2.1.15 WPA with RADIUS Application Example 2.2The Main Screen Figure 2-9Main Table 2-1Main 2.2.1 Connecting to a Network 2.2.2 The New Connection screen This only works if the wireless device to which the ZyAIR is connected also supports this feature 2.2.3 The Advanced Screen Figure 2-11Main: Advanced Table 2-3Main: Advanced 2.3The Advanced Screen Table 2-4Advanced 2.4The Privacy Screen 2.4.1 WEP Configuration Figure 2-14WEP Configuration Table 2-6WEP Configuration The values for the keys must be set up exactly the same on all wireless devices in the same wireless LAN ASCII WEP key is case sensitive 2.4.2 802.1x Configuration 2.4.3 WPA-PSKConfiguration 2.5The Statistics Screen Figure 2-17Statistics Table 2-9Statistics 2.6The About Screen Figure 2-18About Table 2-10About Maintenance 3.1Removing the ZyAIR Utility 3.2Upgrading the ZyAIR Utility Page Troubleshooting 4.1Problems Starting the ZyAIR Utility Program 4.2Problems Communicating With Other Computers 4.3Problem with the Link Status Appendix A Product Specifications Page Appendix B Types of EAP Authentication LEAP Comparison of EAP Authentication Types Index