3560 PoE

Answered Question
Apr 5th, 2007
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Here's a scenario we discovered on our 3560's.


IOS Version 12.2(25)SEB4


The power setting on the port is power inline auto:


1. Non PoE device is plugged into the port (PC)

2. Non PoE device is unplugged

3. Cisco 7961 IP Phone is plugged in


The phone will not power on.


To get the phone to power on, I change the port to power inline never, then power inline auto. If I unplug the phone and plug a non PoE device back in, the behavior returns.


Is this functioning as designed or is there a fix?

Correct Answer by Amit Singh about 10 years 1 month ago

Hello Friend,


This is a BUG with the IOS version that you are running the 3560 switch.


The Bug ID is CSCsc10999


Problem: Switch does not power PD when non-PD device previously plugged into port


The resolution is to upgrade the switch to atleast Upgrade to 12.2.25SED or higher.


HTH,Please rate if it does.


-amit singh



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Correct Answer
Amit Singh Thu, 04/05/2007 - 09:12
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  • Cisco Employee,

Hello Friend,


This is a BUG with the IOS version that you are running the 3560 switch.


The Bug ID is CSCsc10999


Problem: Switch does not power PD when non-PD device previously plugged into port


The resolution is to upgrade the switch to atleast Upgrade to 12.2.25SED or higher.


HTH,Please rate if it does.


-amit singh



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