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Loop

IrfanKhan4904
Level 1
Level 1

how to detect loop in network cisco? easiest way.

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Accepted Solutions

Hello,

 

what kind of loops ? Layer 2 or Layer 3 ? For layer 2 loops, typically, features such as BPDU guard, root guard, loop guard, Unidirectional Link Detection (UDLD), and storm-control are being used. I think the Catalyst 9000 switches have a newer feature called Loop Detection Guard.

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2 Replies 2

Hello,

 

what kind of loops ? Layer 2 or Layer 3 ? For layer 2 loops, typically, features such as BPDU guard, root guard, loop guard, Unidirectional Link Detection (UDLD), and storm-control are being used. I think the Catalyst 9000 switches have a newer feature called Loop Detection Guard.

Layer 3