Cisco 2100 Series Configuration Guide

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 2100 Series Specifications

General

Power over Ethernet (PoE)	No
Form Factor	Desktop
Encryption	AES, TKIP
Maximum Access Points	6
Security	WPA, WPA2, 802.1X
Dimensions	1.75 x 8.0 x 8.5 in. (4.4 x 20.3 x 21.6 cm)