User manual

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 Detection to load the following pa
ge.
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 loopb
ack detection function
globally.
Detection Interval: Set a loopback detection 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.
Web Refresh Status: Here you can enable or disable web automatic refresh.
W
e
b Refresh Interval: Set a web refresh interval between 3 and 100 seconds. By default,
it’s
3 seconds.
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