Part of the new FCC requirements for the 802.11a spectrum is the need to identify and avoid radar signals that could pose a threat to air travel. What you are seeing is that the channel is clearing of radar traffic that the system was seeing on that specific channel. This piece of the code is related to 802.11h, the standard requiring radar avoidance in the US and Europe. It shouldn't be a worry if it has cleared.
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...