Forward Portlist:  Select the port that to be forwarded to. 
¾  Port Isolation List 
Port:  Display the port number. 
Forward Portlist:  Display the forwardlist. 
5.1.5 Loopback Detection 
Note: 
The Loopback Detection function is for TL-SL3452 only. 
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→LoopbackDetection” to load the following page. 
 
Figure 5-6 Loopback Detection Config 
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