3Com Switch 7750 Series
Command Reference Guide — Basic Port Commands Chapter 1 Port Basic Configuration Commands
1-17
Description
Use the loopback-detection enable command to enable the loopback detection
feature on the port.
Use the undo loopback-detection enable command to disable the loopback
detection feature on the port.
By default, the loopback detection feature is disabled on the port.
Related command: display loopback-detection.
Example
# Enable the loopback detection feature.
<3Com> system-view
System View: return to User View with Ctrl+Z.
[3Com] loopback-detection enable
1.1.17 loopback-detection interval-time Syntax
loopback-detection interval-time time
undo loopback-detection interval-time
View
System view
Parameter
time: Interval for detecting external loopback on a port, in the range of 5 to 300 (in
seconds). It is 30 seconds by default.
Description
Use the loopback-detection interval-time command to set the interval for detecting
external loopback on a port.
Use the undo loopback-detection interval-time command to restore the default
interval.
Related command: display loopback-detection.
Example
# Set the interval for detecting external loopback on a port to 10 seconds.
<3Com> system-view
System View: return to User View with Ctrl+Z.
[3Com] loopback-detection interval-time 10