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Switches and/or stack running versions Gibraltar 16.12.3 and Gibraltar 16.12.3a stop providing PoE on certain ports. This issue is seen after the following log is seen: %ILPOWER-3-CONTROLLER_PORT_ERR: Controller port error, Interface Gix/0/y: Power given, but State Machine Power Good wait timer timed out. The impacted ports could experience the following scenarios: a) The PoE device will power up for a few seconds (5-45) and then it dies, there have been cases where the device powers up for up to 5 minutes. c) No power at all is seen. Disconnecting/reconnecting the cable or a shut/no shut the impacted port does not resolve the issue.
It looks like it is a matter of time (weeks) when the issue is seen.
So far the only workaround found is to reload the impacted stack/switch
Once one single port reaches this status all the ports are likely to experience the same issue, this means: if a single port has this issue in stack, if any other port or ports is/are disconnected/re-connected these other ports will experience the same issue
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