1-2Table 1-1 Port isolation group configuration itemsItem DescriptionConfig typeSpecify the role of the port or ports in the isolation group.z Isolate port: Assign the port or ports to the isolation group as an isolatedport or ports.z Uplink-port: Assign the port to the isolation group as the uplink port.The uplink port is not supported on 3Com Switch 2900.seriesSelect port(s)Select the port(s) you want to assign to the isolation group.You can click ports on the chassis front panel for selection; if aggregationinterfaces are configured, they will be listed under the chassis panel forselection.Port Isolation Group Configuration ExampleNetwork requirementsz Campus network users Host A, Host B, and Host C are connected to GigabitEthernet 1/0/2,GigabitEthernet 1/0/3, and GigabitEthernet 1/0/4 of Switch.z Switch is connected to the Internet through GigabitEthernet 1/0/1.z GigabitEthernet 1/0/1, GigabitEthernet 1/0/2, GigabitEthernet 1/0/3, and GigabitEthernet 1/0/4belong to the same VLAN.It is required that Host A, Host B, and Host C can access the Internet while being isolated from oneanother.Figure 1-2 Networking diagram for port isolation group configurationInternetHost A Host B Host CGE1/0/3GE1/0/2 GE1/0/4GE1/0/1SwitchConfiguration procedure# Assign GigabitEthernet 1/0/2, GigabitEthernet 1/0/3, and GigabitEthernet 1/0/4 to an isolation groupas isolated ports.Select Security > Port Isolate Group from the navigation tree and in the page that appears, click theModify tab to enter the page shown in Figure 1-3.
