We have been seeing an issue with our Flex Connect Access points at just one location. They dont seem to be keeping thier Locally Switch Flex Connect VLAN mappings. Not all of the AP's at this location but a few.
We are currently running 184.108.40.206 on a WLC 5508. The AP's are 3602i running 220.127.116.11 with IOS code of 15.2(2)JB$.
Any idea why this could be happening? Anything to check in SYSLOG of SNMP traps?
My first question would be if there are any secondary controllers in your environment. If an AP joins a secondary controller where the VLAN mappings haven't been configured, it would lose those mappings.
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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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