TP-Link T1600G-18TS Configuration Manual page 119

Managing Physical Interfaces
Switch(config)#loopback-detection
Switch(config)#show loopback-detection global
Loopback detection global status : enable
Loopback detection interval : 30 s
Loopback detection recovery time : 90 s
Switch(config-if)#end
Switch#copy running-config startup-config
The following example shows how to enable loopback detection of port 1/0/3 and set the
process mode as alert and recovery mode as auto:
Switch#configure
Switch(config)#interface gigabitEthernet 1/0/3
Switch(config-if)#loopback-detection
Switch(config-if)#loopback-detection config process-mode alert recovery-mode auto
Switch(config-if)#show loopback-detection interface gigabitEthernet 1/0/3
Port Enable
---- ------
Gi1/0/3 enable
Switch(config-if)#end
Switch#copy running-config startup-config
Process Mode Recovery Mode
------------ -------------
alert auto
Loopback Detection Configuration
Loopback Block
-------- -----
N/A N/A
Configuration Guide
LAG
----
N/A
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