Managing Physical Interfaces
Port Isolation Configurations
User Guide
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Step 3
port isolation { [fa-forward-list
fa-forward-list
] [gi-forward-list
gi-forward-list
] [te-
forward-list
te-forward-list
] [ po-forward-list
po-forward-list
] }
Add ports or LAGs to the forwarding port list of the isolated port. It is multi-optional.
fa-forward-list / gi-forward-list / te-forward-list
: Specify the forwarding Ethernet ports.
po-forward-list:
Specify the forwarding LAGs.
Step 4
show port isolation interface { fastEthernet
port
| gigabitEthernet
port
| ten-
gigabitEthernet
port
| port-channel
port-channel
}
Verify the Port Isolation configuration of the specified port.
Step 5
end
Return to privileged EXEC mode.
Step 6
copy running-config startup-config
Save the settings in the configuration file.
The following example shows how to add ports 1/0/1-3 and LAG 4 to the forwarding list of
port 1/0/5:
Switch#configure
Switch(config)#interface gigabitEthernet
1/0/5
Switch(config-if)#port isolation gi-forward-list
1/0/1-3
po-forward-list
4
Switch(config-if)#show port isolation interface gigabitEthernet
1/0/5
Port LAG Forward-List
---- --- -----------------------
Gi1/0/5 N/A Gi1/0/1-3,Po4
Switch(config-if)#end
Switch#copy running-config startup-config
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