Loop in network?

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Jan 16th, 2008
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Our network has crashed a few times within the last two days. Come to find out we have a amber.com switch uplinked via copper to it from cisco equipment.


The amber switch had a cable plugged from one port to another port on the switch.


Would this cause the network to go nutz?

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glen.grant Wed, 01/16/2008 - 07:55
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It certainly could if spanning tree did not handle it correctly if for some reason you have spanning tree turned off . You would have to look to see if one of those ports is either shutdown or blocked for spanning tree . You could do a show spanning-tree blockedports" and see if it is blocked.

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