¾  Port Isolation List 
Port:  Display the port number. 
Forward Portlist:  Display the forwardlist. 
5.1.5 Loopback Detection  
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 
The following entries are displayed on this screen: 
¾  Global Config 
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