Hi, I was upgrading 2 weeks ago, upgraded our first HA pair, but 8.0.140 has killed our mobility anchors to external company's. Have a TAC call open, but it is going on a while to fix. So can't upgrade the others till we have a fix for this one.
DHCP Option 43 won't make any difference. The issue is the radio firmware gets corrupted. Once this happens, the AP would disconnect itself from the controller because the radio would report sport a Regulatory Domain of a <NULL> value. If you have PI, this AP won't even appear in PI logs as being disconnected from the controller.
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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