TP-LINK TL-SG3424P ユーザーズマニュアル

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Chapter 23  Port isolation Commands 
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 forwarding port list.   
port isolation 
Description 
The port isolation command is used to configure the forward portlist of a port, 
so that this port can only communicate with the ports on its portlist. To delete the 
corresponding configuration, please use no port isolation command. 
Syntax 
port isolation 
forward-list 
no port isolation 
Parameter 
forward-list
  ——  portlist of forward port. It is multi-optional. 
Command Mode 
Interface Configuration Mode (interface ethernet/interface range ethernet) 
Example 
Configure port 1 and port 2 can only forward packets to port 6 and port 10: 
TP-LINK(config)#
 interface range ethernet 1-2 
TP-LINK(config-if)#
 port isolation 6,10 
show port isolation 
Description 
The show port isolation command is used to display the forward portlist of a 
port. 
Syntax 
show port isolation 
[port
Parameter   
port
  ——  The port-number you want to show its forward portlist. 
Command Mode 
Any Configuration Mode