Operation Manual

Loopback Detection

Use the Loopback Detection function to congure the

system to shut down the current port once the port is

found in a loop. In addition, it will send a trap message.

When Spanning Tree Protocol (STP) is not enabled in

the network, the Loopback Detection function can be

used to detect the loop created by a specic port. For

users connecting unmanaged Switches, the Loopback

Detection function shuts a port when packets are sent and

received from the same port; a loopback effect. The port is

automatically unlocked after the recovery period times out.

To access the page, click Loopback Detection under L2

Feature.

Time Interval: Entertimeintervalthattrafcisallowedto

owoveracablingloopbeforetheloopedportsareshut

down.

Recovery Time: Enter time interval after ports are shut

down before they are automatically re- enabled.

Apply: Click Apply in order for the settings to take effect.