You can try to disable lower data rates to shrink the cell size done. Another way is enable load balancing, but that has issues with client devices that don't support code 17. I wouldn't use that unless you do some testing first. Both these option should be done after hours as it will have an affect on connected clients.
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...