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Cisco Bug: CSCvt96413 - C9300-48U stack experiences POE disconnect on some ports

Last Modified

Sep 30, 2020

Products (1)

  • Cisco Catalyst 9300 Series Switches

Known Affected Releases


Description (partial)

Random ports do not provide PoE on C9300 switches

Some ports stop providing PoE on C9300 switch running 16.9.4 & 16.9.5.
Issue is most commonly seen on switches stack. It does not affect current active switch
As soon as power good timer expires, the following log is displayed
Aug 12 13:42:32.510 CDT: %ILPOWER-3-CONTROLLER_PORT_ERR: Controller port error, Interface Gi2/0/24: Power given, but State Machine Power Good wait timer timed out
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