Thanks for the information provided, I have gone through the logs and i understand that most of the times if it's specific to just one AP it can an hardware issue.
I have gone through some of the Bugs which says it to be an hardware issue.
However, I would like you to try these 2 methods for the AP join the WLC.
1. Perform Priming on the AP, i.e. assign an IP to the AP statically and also define the controller IP on the AP so that AP directly sends the request to the controller with which it needs to join without doing a probe.
The commands to do AP priming are:
debug capwap console cli
capwap ap ip address x.x.x.x(IP) x.x.x.x(mask)
capwap ap controller ip address x.x.x.x(ip address of the controller)
2. Please increase the AP heartbeat timeout value to 30.
Transferring Crash file from standby:
Login to the Active WLC in HA.
(Cisco Controller) >transfer upload datatype crash
(Cisco Controller) >transfer upload filename <Desired filename>
(Cisco Controller) >transfer up...
This is the start of a display filter cross reference between Wireshark and OmniPeek.
The 1st installment is a table of advanced filters. More filters will be added as time allows.
It is a living doc, so check back for changes every so often
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I have created a Powershell script to automatically add a Wireless Guest User on Cisco WLCs. (tested on 2500 Series)
The script should be completely self explanatory.
Powershell SNMP Module (Install-Module -Name SNMP)
SNMP Write Access to...