Comments on: Repeated network switch failures

By: shadrac

shadrac — Tue, 11 Sep 2012 05:59:31 +0000

Hey guys I was troubleshooting a school network yesterday in Cape Town and I experienced the same problem with two switches.

all the light shows that the switch is operating perfectly but there is no connectivity whatsoever in the port can you advice me please

By: nileshv

nileshv — Thu, 13 Jan 2011 09:20:36 +0000

i think this switchs are going down because of power fluctuations.
At one of my site the same has happened so you better rectify power supply.

By: schmidtw

schmidtw — Thu, 10 Jul 2008 21:58:28 +0000

We have recently run into a similar problem…it all started when we hooked up a new AP. Surprisingly, and whether you believe it or not, APs can mess up switches. I’m pretty sure it has something to do with the spanning tree protocol and the misrouting of information.

By: cosmoc

cosmoc — Tue, 01 Jul 2008 14:21:56 +0000

Could be heat related also. Is there anything blocking the switch fans or air vents? Are the air conditioners turned off (or up/higher temp) after 4:00pm?

Another thought… Do you have any PoE devices connected to that switch?

By: gilly400

gilly400 — Tue, 01 Jul 2008 11:27:56 +0000

Hi,

I’d suggest putting some sort of overload protector on the power supply, in case there are some power spikes causing your problem.

The other thing to check is what goes on between 4-6pm – for example, are the cleaners busy in that area at that time ?

Regards,

Martin Gilbert.