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06/20/2007 at 01:57PM PDT, ID: 22647147
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6.8

Detecting the source of a Network Loop

Asked by Eric-arup in Network Analysis Software, Network Management, Network Switches & Hubs

Tags: network, loop

Once a network loop is in progress what is the best method for detecting the source switch and port that the loop is comming from?

I am in a 2000 node network with aboput 200 switches, at certain times a loop will come into effect.  Mt brain tells me its user related.  After the loop runs for a short time it vanishes and comes back later.  We tried a sniffer to detect local routing and that doesnt work because its a layer 3 loop and not a layerr 2 loop.  This is a layer 2 loop and all 2000 nodes are on the same flat network.

Eric

Eric
[+][-]06/20/07 02:17 PM, ID: 19328380

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[+][-]06/20/07 05:27 PM, ID: 19329474

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About this solution

Zones: Network Analysis Software, Network Management, Network Switches & Hubs
Tags: network, loop
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Solution Provided By: donjohnston
Participating Experts: 3
Solution Grade: A
 
 
[+][-]06/21/07 04:07 AM, ID: 19331925

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[+][-]06/26/07 07:34 AM, ID: 19364039

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[+][-]06/26/07 07:44 AM, ID: 19364148

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