Which IP phone? If the problem is when they are on the same AP only and using autonomous AP, then ensure that PSPF is not enabled. RTP will stay on the AP and will see packets to/from the distribution system. Of course will need something to respond to the ARP before RTP is estabilished.
So would want to ensure that proxy ARP is enabled on the AP as well.
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...