Manual

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5. Configure the loopback-detection control mode (automatic recovery enabled or not)
1. Configure the time interval of loopback detection
Command
Explanation
Global Mode
loopback-detection interval-time
<loopback> <no-loopback>
no loopback-detection interval-time
Configure the time interval of loopback
detection.
2. Enable the function of port loopback detection
Command
Explanation
Port Mode
loopback-detection specified-vlan <vlan-
list>
no loopback-detection specified-vlan
<vlan-list>
Enable and disable the function of port
loopback detection.
3. Configure the control method of port loopback detection
Command
Explanation
Port Mode
loopback-detection control {shutdown
|block| learning}
no loopback-detection control
Enable and disable the function of port
loopback detection control.
4. Display and debug the relevant information of port loopback detection
Command
Explanation
Admin Mode
debug loopback-detection
no debug loopback-detection
Enable the debug information of the function
module of port loopback detection. The no
operation of this command will disable the
debug information.
show loopback-detection [interface
<interface-list>]
Display the state and result of the loopback
detection of all ports, if no parameter is
provided; otherwise, display the state and
result of the corresponding ports.