TP-LINK TL-SG5412F User Manual

 

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 port configuration. 

Choose the menu Switching→Port→Loopback Detection to load the following page. 

 

Figure 5-6 Loopback Detection Config 

The following entries are displayed on this screen: 



Here you can enable or disable loopback detection function 
globally. 

Set a loopback detection interval between 1 and 1000 seconds. 
By default, it’s 30 seconds. 

Time allowed for automatic recovery when a Loopback is 
detected. The loopback detection recovery time can be set at 
integral times of detection interval. 

Here you can enable or disable web automatic refresh. 

Set a web refresh interval between 3 and 100 seconds. By default, 
it’s 3 seconds. 



Click the Select button to quick-select the corresponding port 
based on the port number you entered. 

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