Cisco 5520 Troubleshooting Guide

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Cisco 5520 and 8540 Wireless Controller Troubleshooting Guide
Troubleshooting
After logging into the CIMC, you can check the network setting:
Troubleshooting
On Boot up vKVM /Monitor does not display any output
Console output not visible / Console port not working
APs not joining with and displays certificate Error / Certificates not found
APs not joining with and cannot find AP images
Serial Console not present at customer can we use SOL
Continuous prints are seen on cli related to Temp Breach
Controller is starting on connecting the power
Service port is not working when CIMC port is connected
My management port not coming up
Not able to install/update 5520 controller software

Cisco 5520 Specifications

General

Maximum Access Points	1500
Maximum Clients	20000
Form Factor	1RU
Product Series	Cisco 5500 Series
Memory	32 GB
Flash Memory	8 GB
Operating Temperature	32°F to 104°F (0°C to 40°C)
Storage Temperature	-4°F to 149°F (-20°C to 65°C)
Model	Cisco 5520
Ports	8 x 1GE
Redundancy	N+1
Management	CLI
Wireless Standard	802.11ac
Humidity	10% to 95% non-condensing