Troubleshooting For Loop - ZyXEL Communications ES 3500 Series Troubleshooting Manual

6 Troubleshooting for Loop

Flowchart:
Figure 1
Identify loop symptom
When loop happened, it is possible to find the following scenario:
The traffic becomes slower than before.
l
The traffic is not stable. The client always gets lost.
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The LED of port is keep flashing fast.
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To find out the slowest node in the topology. If it is under control, please start
trouble shooting form here; if it is not, please contact another vendor.
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