Comments on: PoE feature disabled in Cisco switches http://itknowledgeexchange.techtarget.com/itanswers/poe-switch-dies-after-thunderstorm/ Mon, 20 May 2013 21:45:38 +0000 hourly 1 By: zakk http://itknowledgeexchange.techtarget.com/itanswers/poe-switch-dies-after-thunderstorm/#comment-86360 zakk Tue, 11 Jan 2011 06:09:51 +0000 #comment-86360 oh thanks, one of the measures we are implementing is to shut the ports that are not been in use, we some switches with some of the ports dead and others not dead, i dont know if is there a feature on the switches that auto-disable the poe capability, but in my case i think that the ground is an issue over here and need to be review asap…cheers

]]> By: yasirirfan http://itknowledgeexchange.techtarget.com/itanswers/poe-switch-dies-after-thunderstorm/#comment-86302 yasirirfan Mon, 10 Jan 2011 13:11:20 +0000 #comment-86302 Yes its absolutely possible to lose the poe capability, only way to avoid is to make sure you Network Cabinet has proper grounding. Atleast the power source for the switch should be properly grounded.

I had faced similar problem even some of the ports were not detected and the POST in the switch was failed. Grounding is quite important.

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