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Port isolation configuration example
Network requirements
As shown in Figure 16, Host A, Host B, and Host C are connected to GigabitEthernet 1/0/1,
GigabitEthernet 1/0/2, and GigabitEthernet 1/0/3 of Device, and Device is connected to the Internet
through GigabitEthernet 1/0/4. All these ports are in the same VLAN.
Configure Device to provide Internet access for all the hosts and isolate them from one another.
Figure 16 Networking diagram
Configuration procedure
# Add ports GigabitEthernet 1/0/1, GigabitEthernet 1/0/2, and GigabitEthernet 1/0/3 to the
isolation group.
<Device> system-view
[Device] interface gigabitethernet 1/0/1
[Device-GigabitEthernet1/0/1] port-isolate enable
[Device-GigabitEthernet1/0/1] quit
[Device] interface gigabitethernet 1/0/2
[Device-GigabitEthernet1/0/2] port-isolate enable
[Device-GigabitEthernet1/0/2] quit
[Device] interface gigabitethernet 1/0/3
[Device-GigabitEthernet1/0/3] port-isolate enable
# Display information about the isolation group.
<Device> display port-isolate group
Port-isolate group information:
Uplink port support: NO
Group ID: 1
Group members:
GigabitEthernet 1/0/1 GigabitEthernet 1/0/2 GigabitEthernet 1/0/3
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