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CLI-based Configuration Guide - Interface Management

AR100, AR120, AR160, AR1200, AR2200, AR3200, and AR3600 V300R003

This document provides the basic concepts, configuration procedures, and configuration examples of the interfaces supported by the device.
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Licensing Requirements and Limitations for IMA

Licensing Requirements and Limitations for IMA

This section describes licensing requirements and limitations for IMA.

Involved Network Elements

None.

Licensing Requirements

IMA is a basic capability of an AR router and is not under license control.

Feature Limitations

The 4E1-IMA interface card supports E1-IMA interfaces. For the mapping between the device and interface card, see 4E1-IMA (4-Port-E1 ATM IMA Interface Card) in the Huawei AR100&AR120&AR150&AR160&AR200&AR1200&AR2200&AR3200&AR3600 Series Enterprise Routers Get to Know the Product-Hardware Description-Cards-WAN Interface Card.

In ATM transmission mode, you can add G.SHDSL interfaces to IMA groups on the AR158E, AR168F, AR168F-4P, AR158EVW, and AR208E.

AR1200 series, AR2204, AR2220E, AR2220, AR2240, AR3260 and AR3670 support E1-IMA interfaces.

  • EI-IMA interfaces and the IMA group do not support IS-IS.
  • When the router is connected to the peer device through E1-IMA interfaces, one E1-IMA interface must work in master clock mode and the other must work in slave clock mode.

  • If devices cannot communicate after an IMA group is configured, run the shutdown and undo shutdown commands in the view of the IMA group that connects the devices.
  • After the frame-length and ima-standard commands are executed, run the shutdown and undo shutdown commands in the IMA group view to make the configuration take effect.

  • Only non-service-configured E1-IMA links or G.SHDSL links can join an IMA group.
  • IMA groups can be configured in three modes: symmetric mode and symmetric operation, symmetric mode and asymmetric operation, asymmetric mode and asymmetric operation. Currently, the device supports symmetric mode and symmetric operation.
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Updated: 2019-03-06

Document ID: EDOC1100069331

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