There could be several things that are the factor here. One of them could be some sort of interference. The other could be a faulty antenna. It could as well be the firmware or one of the actual bridges themselves. You should make sure that the antennas are correctly connected to the bridges and inspect them to see if there is any damage to them. If that is ok then try loading an older firmware to see if that fixes the issue. If you are still having issues then you may want to put in another couple of bridges to see if there was a failure with one of the original ones. Best thing would be to isolate the two bridges in a lab environment if you have tried the other suggestions and if you do not have any spare bridges.
IntroductionHow to use the Wireless LAN Controller Configuration Analyzer (WLCCA)
Javier Contreras is a Senior Tech Lead for the Wireless Business Unit in Cisco, with over 2 decades of experi...
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(#)For this reason being that : - application that doesn't use multicast, sends one copy of each packet ( data unit of traffic at layer 3 ) to each client (" who seeks the traffic ).- application that does use multicast, sends ...
Transferring Crash file from standby:
Login to the Active WLC in HA.
(Cisco Controller) >transfer upload datatype crash
(Cisco Controller) >transfer upload filename <Desired filename>
(Cisco Controller) >transfer up...