Cisco 4400 Series User Manual

D-1
Cisco Wireless LAN Controller Configuration Guide
OL-17037-01
APPENDIX
D
Troubleshooting
This appendix lists system messages that can appear on the Cisco UWN Solution interfaces, describes
the LED patterns on controllers and lightweight access points, and provides CLI commands that can be
used to troubleshoot problems on the controller. It contains these sections:
• Interpreting LEDs, page D-2
• System Messages, page D-2
• Using the CLI to Troubleshoot Problems, page D-5
• Configuring System and Message Logging, page D-6
• Viewing Access Point Event Logs, page D-13
• Uploading Logs and Crash Files, page D-14
• Uploading Core Dumps from the Controller, page D-17
• Monitoring Memory Leaks, page D-17
• Troubleshooting CCXv5 Client Devices, page D-19
• Using the Debug Facility, page D-34
• Configuring Wireless Sniffing, page D-39
• Troubleshooting Access Points Using Telnet or SSH, page D-42
• Debugging the Access Point Monitor Service, page D-43

Cisco 4400 Series Specifications

General

Brand	Cisco
Model	4400 Series
Category	Controller
Language	English