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Cisco Bug: CSCuo83872 - Power Controller reports Short detected when non PoE device connected

Last Modified

Jul 26, 2020

Products (1)

  • Cisco Catalyst 3850 Series Switches

Known Affected Releases

3.3(2)SE

Description (partial) 

Symptom:
We will get syslog messages:
 
Mar 16 08:08:29 10.13.36.1 3028812: Mar 16 08:10:49.079 EDT: ILPOWER-3-CONTROLLER_PORT_ERR Controller port error, Interface Gi3/0/16: Power Controller reports Short detected
 
Mar 16 08:08:29 10.12.233.1 464666: Mar 16 08:10:15.220 EDT: ILPOWER-3-CONTROLLER_PORT_ERR Controller port error, Interface Gi3/0/3: Power Controller reports Short detected
 
Mar 16 08:08:29 10.13.18.1 423165: Mar 16 08:10:57.031 EDT: ILPOWER-3-CONTROLLER_PORT_ERR Controller port error, Interface Gi2/0/4: Power Controller reports Short detected

Conditions:
Sometimes when non PoE devices are connected to a 3850/3650 PoE port. Syslog messages are considered to be cosmetic.

Related Community Discussions

Controller Port Error Question
Hi there,            I saw a this error message fill up the syslog:  %ILPOWER-3-CONTROLLER_PORT_ERR: Controller port error, Interface Gi1/0/31: Power Controller reports Short detected   I found some similar post on cisco community that a user said to do cable tdr test, and here is result:   Interface Speed Local pair Pair length Remote pair Pair status --------- ----- ---------- ------------------ ----------- -------------------- Gi1/0/31 1000M Pair A 73 +/- 10 meters Pair B Normal               ...
Latest activity: Sep 22, 2019
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