Switch(config-if-GigabitEthernet-0/1)#
loopback-detection
control
Switch(config-if-GigabitEthernet-0/1)#
no loopback-detection
control.
Notes: Revise the link aggregation loop processing mechanism, Similarly
16.4.
Check loopback detection
Enter the privileged pattern to check the loopback-detection.
Command
Function
Switch#show loopback-detection
Check loopback detection and
configuration
：
Below is the example to check loopback detection.
Switch#show loopback-detection
Loopback detection is Runing on!
Detection interval time is 2 seconds
Error Disable recover time is 60 seconds
Interface Action State
-------------------- ---------- -----------
Gi 0/5 WARNING LINK_DOWN
Gi 0/6 CONTROL LINK_DOWN
Gi 0/7 CONTROL LINK_DOWN
Gi 0/8 CONTROL LINK_DOWN
link-aggregation 1 CONTROL NORMAL
link-aggregation 2 CONTROL LINK_DOWN
16.5.
close loopback detection.
Enter the global patterns to close loopback detection.
Command
Function
Switch(config)#no loopback-detection
Close loopback detection.
Below is the example to close loopback detection
：
Switch#configure terminal
Enter configuration commands, one per line. End with CTRL+Z.
