Using The Cli - TP-Link T1600G Series Configuration Manual

Managing Physical Interfaces
Figure 7-7 Port Isolation Configuration
3) Click Save Config to save the settings.

7.2.4 Using the CLI

Switch#configure
Switch(config)#interface gigabitEthernet 1/0/1
Switch(config-if)#port isolation gi-forward-list 1/0/4
Switch(config-if)#end
Switch#copy running-config startup-config
Verify the Configuration
Switch#show port isolation interface
Port LAG
---- ---
Gi1/0/1 N/A
Gi1/0/2 N/A
Gi1/0/3 N/A
......
Forward-List
------------
Gi1/0/4
Gi1/0/1-52,Po1-14
Gi1/0/1-52,Po1-14
Configuration Examples
Configuration Guide 101