User Guide

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Forward Portlist: Display the forwardlist.
5.1.5 Loopback Detection
With loopback detection feature enabled, the switch can detect loops using loopback detection
packets. When a loop is detected, the switch will display an alert or further block the corresponding
port according to the port configuration.
Choose the menu Switching→Port→Loopback De tection to load the following page.
Figure 5-6 Loopback Detection Config
The following entries are displayed on this screen:

Global Config
Loopback
Detection
Status:
Here you can enable or disable loopback detection function
globally.
Detection Interval: Set a loopback d
etection interval between 1 and 1000 seconds.
By default, it’s 30 seconds.
Automatic Recovery
Time :
Time allowed for automatic recovery when a loopback is detected.
It can be set as integral multiple of detection interval.
We b Re fresh Status: Here you can enable or disable web automatic refresh.