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PoE Power supply state messages shown without user interaction

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TitlePoE Power supply state messages shown without user interaction
Symptoms
Log messages are observed showing the PoE power supplies going not operation or having been removed and then recovering with no user impact.  Log messages similar to those below are observed:

<163>Sep 11 11:39:19 10.1.1.1 System[4]PoE power supply 1 has been removed.
<163>Sep 11 11:39:31 10.1.1.1 System[4]PoE power supply 1 has been installed.
<163>Sep 11 11:39:31 10.1.1.1 System[4]PoE power supply 1 is operational.
 
Environment
  • S-Series
  • PoE power Shelf installed with PoE power supplies
Cause
In some environments it is possible for the switch to loose communications to the PoE power supply briefly.  This causes the system to think the PoE power supply is not operational or has even been removed when in fact the PoE power supply is functioning normally.
 
Resolution
Upgrade to 8.62.02 or later firmware which includes enhancements to improve communication with the PoE power supplies.
 
Additional notes

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