Справочное Руководство для TP-LINK TL-SG2008

 

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With loopback detection feature enabled, the switch can detect loops using loopback detection 

packets. When a loop is detected, the switch will display an alert or further block the corresponding 

port according to the configuration. 

The  loopback-detection command is used to enable the loopback detection 

function globally. To disable it, please use no loopback detection command. 

Global Configuration Mode 

Enable the loopback detection function globally: 

TL-SG2008(config)# loopback-detection 

The  loopback-detection interval command is used to define the interval of 

sending loopback detection packets from switch ports to network, aiming at 

detecting network loops periodically. 

interval-time —— The interval of sending loopback detection packets. It ranges 

from 1 to 1000 seconds. By default, this value is 30. 

Global Configuration Mode