Is there any way (debug, trap,...) the AP can send/show if the external antenna is broken or disconnected? We have lots of AP's installed in a place where sometimes the external antennas can be broken, and I'd like to know if there is a way to know it at the time it happens.
Basically you cannot detect that, however, you can observe signal drops as the radiated power would be less, in case the antenna gets broken. The power will be reflected back, output power will be less.
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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