Check if Aironet Extensions are disabled under interface Dot11Radio0. If so enable it assuming that you have all Cisco clients, you can safely go to the Network Interfaces tab, then the Dot11Radio0 tab, and the Settings subtab (across the top), then scroll down to Aironet Extensions, select the Enabled radio button and click Apply.
If you have non-Cisco clients in your network, Aironet Extensions will need to remain disabled.
Transferring Crash file from standby: Login to the Active WLC in HA.
From CLI: (Cisco Controller) >transfer upload datatype crash (Cisco
Controller) >transfer upload filename (Cisco
Controller) >transfer upload mode tftp (Cisco Controller) >transfer
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 Please feel f...