Scenario: When trying to simulate a failure of one pair of controllers all the LAP failover to the second pair of controllers, but the WLAN ids are all rearranged ie. if a LAP used WLAN 1 and 2 it's now trying to associate with WLAN 3 and 4
And then manual intervention is needed to correct the problem.
Can you provide more information? From what you have said, if both wlc's are setup the same, I don't see why you would have this issue. One thing to remember is that when an ap moves from one wlc to another, it takes on the configuration of the new wlc. So if your wlan's are not in the same order, or if you are using wlan overrdie or ap groups, you must make sure that during a failover, the other wlc can support the function of the wlc that went down.
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
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