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Cisco Bug: CSCuq61876 - %DOT11-2-NO_CHAN_AVAIL_CTRL: Interface Dot11Radio2, no channel available

Last Modified

Sep 17, 2019

Products (1)

  • Cisco 5500 Series Wireless Controllers

Known Affected Releases


Description (partial)

AP drop from the WLC

AP event log or syslogs or show logging

AP side:
*Aug 26 19:41:28.115: %DOT11-2-NO_CHAN_AVAIL_CTRL: Interface Dot11Radio1, no channel available.
*Aug 26 19:41:28.115: %DOT11-2-NO_CHAN_AVAIL_CTRL: Interface Dot11Radio2, no channel available.
*Aug 26 19:41:28.115: %DTLS-5-SEND_ALERT: Send FATAL : Close notify Alert to
*Aug 26 19:41:28.243: slave radio 2 dependancy on radio 1: force to DOWN state
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Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
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