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Ethernet Port Configuration Commands 53
Parameter
None
Description
Use the loopback-detection enable command to enable port loopback
detection. If there is a loopback port found, the switch will put it under control.
Use the
undo loopback-detection enable command to disable port loopback
detection.
Loopback detection of a specified port only functions after port loopback
detection is enabled in the System or Ethernet port view. By default, port loopback
detection is disabled.
Related commands: display loopback-detection
Example
To enable port loopback detection, enter the following:
<4500>system-view
System View: return to User View with Ctrl+Z.
[4500]loopback-detection enable
[4500]interface ethernet 1/0/1
[4500-Ethernet1/0/1]loopback-detection enable
[4500-Ethernet1/0/1]
loopback-detection
interval-time
Syntax
loopback-detection interval-time time
undo loopback-detection interval-time
View
System View
Parameter
time: Specifies the interval of monitoring external loopback conditions of the
port. It ranges from 5 to 300, measured in seconds.
By default, the interval is 30 seconds.
Description
Use the loopback-detection interval-time command to configure the
detection interval for the external loopback condition of each port. Use the
undo
loopback-detection interval-time
command to restore the default interval.
Related commands: display loopback-detection
Example
To configure the detection interval for the external loopback condition of each
port to 10 seconds, enter the following:
<4500>system-view
System View: return to User View with Ctrl+Z.
[4500]loopback-detection interval-time 10