Chapter 13. Diagnosing Client Connection Problems

Chapter 13 Contents

Troubleshooting Access Points (AP) pg 221

AP Problems pg 221

Check the AP pg 222

Faulty APs pg 222

Configuration Issues pg 223

Signal Strength pg 223

Change Channels pg 224

Check the SSID pg 225

WEP Keys pg 225

Wi-Fi Protected Access (WPA) pg 226

IP Address Duplication pg 226

DHCP Misconfiguration pg 227

MAC Filtering pg 227

Troubleshooting and Conflict Resolution Tools pg 228

Client Troubleshooting Utility pg 229

Prioritizing Connections pg 230

Windows Resource Conflicts pg 231

Troubleshooting Checklist pg 234

Other Resources pg 235

Tracking down problems in a wired network is tough enough. The project gets more complex in a wireless network, where not only are the issues of network configuration at play, but so are the issues that affect radio transmission and reception.

This chapter explains how to troubleshoot your wireless network. Not only does the chapter discuss common problems related to Cisco wireless LAN (WLAN) configuration, but also topics relevant to Windows WLAN environments.