Select the Learn Mode for the port. 
•  Dynamic:  When Dynamic mode is selected, the learned 
MAC address will be deleted automatically after the aging 
time. 
•  Static:  When Static mode is selected, the learned MAC 
address will be out of the influence of the aging time and can 
only be deleted manually. The learned entries will be cleared 
after the switch is rebooted. 
•  Permanent: 
When Permanent mode is selected, the 
learned MAC address will be out of the influence of the 
aging time and can only be deleted manually. The learned 
entries will be saved even the switch is rebooted. 
  Select Enable/Disable the Port Security feature for the port. 
Note: 
1.  The Port Security function is disabled for the LAG port member. Only the port is removed from 
the LAG, will the Port Security function be available for the port. 
2.  The Port Security function is disabled when the 802.1X function is enabled. 
6.1.4 Port Isolation 
Port Isolation provides a method of restricting traffic flow to improve the network security by 
forbidding the port to forward packets to the ports that are not on its forward portlist. 
Choose the menu Switching→Port→Port Isolation to load the following page. 
 
Figure 6-5 Port Isolation Config 
The following entries are displayed on this screen:
 
  Port Isolation List 
UN IT:   Select the unit ID of the desired member in the stack. 
Port:  Display the port number. 
Forward Portlist:  Display the forward list.