TP-Link T2600G-52TS TL-SG3452 T2600G-28TS V1 CLI Reference Guide - Page 205
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Chapter 27 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. 27.1 port isolation Description The port isolation command is used to configure the forward port/port channel list of a port/port channel, so that this port/port channel can only communicate with the ports/port channels on its list. To delete the corresponding configuration, please use no port isolation command. Syntax port isolation { [ gi-forward-list gi-forward-list ] [ po-forward-list po-forward-list ] } no port isolation Parameter gi-forward-list -- The list of Ethernet ports. po-forward-list -- The list of port channels. Command Mode Interface Configuration Mode (interface gigabitEthernet / interface range gigabitEthernet / interface port-channel / interface range port-channel) Example Set port 1, 2, 4 and port channel 2 to the forward list of port 1/0/5: T2600G-28TS(config)# interface gigabitEthernet 1/0/5 T2600G-28TS(config-if)# port isolation gi-forward-list 1/0/1-2,1/0/4 po-forward-list 2 Set all Ethernet ports and port channels to forward list of port 1/0/2, namely restore to the default setting: T2600G-28TS(config)# interface gigabitEthernet 1/0/2 T2600G-28TS(config-if)# no port isolation 189