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Fat AP and Cloud AP V200R010C00 Command Reference

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port-isolate enable

port-isolate enable


The port-isolate enable command enables port isolation.

The undo port-isolate enable command disables port isolation.

By default, port isolation is disabled.

Only the AD9431DN-24X supports this function.


port-isolate enable [ group group-id ]

undo port-isolate enable [ group group-id ]





group group-id

Specifies the ID of a port isolation group.

The value is an integer that ranges from 1 to 64.


GE interface view, XGE interface view, port group view

Default Level

2: Configuration level

Usage Guidelines

Usage Scenario

To implement Layer 2 isolation between interfaces, add different interfaces to different VLANs. This, however, wastes VLAN resources. To save VLAN resources, enable port isolation to isolate interfaces in a VLAN. That is, you can add interfaces to a port isolation group to implement Layer 2 isolation between these interfaces. Port isolation provides secure and flexible networking schemes for customers.


  • After port isolation is configured, ports are isolated at Layer 2 but can communicate at Layer 3 by default. To configure both Layer 2 isolation and Layer 3 isolation, run the port-isolate mode all command.

  • Interfaces in a port isolation group are isolated from each other, but interfaces in different port isolation groups can communicate. If group-id is not specified, interfaces are added to port isolation group 1 by default.


# Enable port isolation on GE0/0/1.

<Huawei> system-view
[Huawei] interface gigabitethernet 0/0/1
[Huawei-GigabitEthernet0/0/1] port-isolate enable group 1
Updated: 2019-11-21

Document ID: EDOC1100064352

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