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Controller reboots and causes a switchover on HA environments. Core file is generated with pubd in its name. As consequence telemetry data is not sent.
It was identified in WLC 9800 where controller has was added to DNA Center at some point. The device is configured with telemetry configuration. The issue has only been reported in 9800 WLC but it can potentially affect other IOS-XE platforms.
No workaround.
If suspecting you are hitting this defect contact Cisco TAC with "show tech" file from the affected device and the system-reports generated in the event.
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