The client will connect to the best signal it see's. Maybe the ap next to you is too close... Put the original ap 3m away and the second ap 5m or more away and see what happens. Also take a look at the driver loaded on the client device... might help especially if it is old.
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...