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Fat AP and Cloud AP V200R010C00 Command Reference

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Huawei uses machine translation combined with human proofreading to translate this document to different languages in order to help you better understand the content of this document. Note: Even the most advanced machine translation cannot match the quality of professional translators. Huawei shall not bear any responsibility for translation accuracy and it is recommended that you refer to the English document (a link for which has been provided).
am isolate

am isolate

Function

The am isolate command isolates the current interface from a specified interface unidirectionally.

The undo am isolate command cancels unidirectional isolation between the current interface and a specified interface. If no interface is specified, unidirectional isolation between the current interface and all the other interfaces is canceled.

By default, no unidirectional isolation is configured between the current interface and a specified interface

Only the AD9431DN-24X supports this function.

Format

am isolate { interface-type interface-number }&<1-8>

undo am isolate [ interface-type interface-number ]&<1-8>

Parameters

Parameter

Description

Value

interface-type interface-number

Specifies the type and number of the interface from which the current interface is isolated unidirectionally.

  • interface-type specifies the type of the interface.
  • interface-number specifies the number of the interface.
-

Views

GE interface view, XGE interface view, port group view, Eth-Trunk interface view

Default Level

2: Configuration level

Usage Guidelines

Usage Scenario

The am isolate command isolates interfaces unidirectionally. For example, if interface A is isolated from interface B unidirectionally, packets sent from interface A cannot reach interface B, but packets sent from interface B can reach interface A. Unidirectional isolation needs to be configured in the following scenarios:

  • When multiple hosts connect to different interfaces of a device and a host sends many broadcast packets to the other hosts, isolate the interface connected to the host from other interfaces unidirectionally. Then the other hosts do not receive packets from the host.
  • Interfaces in a port isolation group are isolated from each other, but interfaces in different port isolation groups can communicate. To isolate interfaces in different port isolation groups, configure unidirectional isolation between these interfaces.

By default, only Layer 2 packets of the current interface are isolated from a specified interface, but Layer 3 packets are not isolated. To isolate both Layer 2 and Layer 3 packets on interfaces unidirectionally, run the port-isolate mode all command.

Precautions

An interface can be unidirectionally isolated from another type of interface. However, an interface cannot be unidirectionally isolated from itself or from the management interface. In addition, an Eth-Trunk cannot be unidirectionally isolated from its member interfaces.

Example

# Isolate GE0/0/1 from GE0/0/2 unidirectionally.
<Huawei> system-view
[Huawei] interface gigabitethernet 0/0/1
[Huawei-GigabitEthernet0/0/1] am isolate gigabitethernet 0/0/2
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Updated: 2019-11-21

Document ID: EDOC1100064352

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