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Cisco Bug: CSCvs02759 - Beacon stuck followed by assert; AP radio on channel 36 while WLC thinks it's on different channel

Last Modified

Aug 12, 2020

Products (1)

  • Cisco Aironet 1850 Series Access Points

Known Affected Releases

8.10(105.0) 8.10(109.25) 8.10(109.38) 8.10(118.14) 8.10(118.15) 8.10(118.18) 8.10(118.20) 8.10(118.23) 8.10(118.3) 8.10(118.34) 8.10(118.6) 8.10(204.125) 8.10(204.126) 8.10(204.128) 8.10(204.131) ap- ap- ap-

Description (partial)

Symptom 1: Access point suffers a "Beacons stuck" condition; messages similar to the following are seen in the log:
[*12/03/2019 21:53:32.9513] DOT11_DRV[0]: Beacon Stuck - reset radio for recovery
[*12/03/2019 21:53:32.9514] DOT11_DRV[0]: *** Triggered FW assert for radio failure (Beacons stuck)

Symptom 2: AP radio is on channel 36, even though the WLC thinks it's on a a different channel.

Seen only on a C9130 model AP.
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