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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