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Cisco Bug: CSCvv91944 - Cat9300 detects PD when another switch that is not a PD device is connected to it.

Last Modified

Oct 14, 2020

Products (1)

  • Cisco Catalyst 9300 Series Switches

Known Affected Releases

16.12.4

Description (partial)

Symptom:
Cat9300 detects PD when another switch that is not a PD device is connected to it

 %ILPOWER-5-DETECT: Interface Te1/0/15: Power Device detected: Cisco PD
 %ILPOWER-5-IEEE_DISCONNECT: Interface Te1/0/15: PD removed
 %ILPOWER-3-CONTROLLER_PORT_ERR: Controller port error, Interface Te1/0/15: Power Controller reports power Tstart error detected


it may cause some interface flap. after flap, the link becomes stable.

Conditions:
This was found when connect / disconnect cable between Cat9300 switches frequently
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