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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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Performing a Loopback on a CPOS Interface

Performing a Loopback on a CPOS Interface

Context

The interface or the link runs abnormally during the loopback test. After finishing the detection, run the undo loopback command immediately to disable loopback.

Procedure

  1. Run system-view

    The system view is displayed.

  2. Run controller cpos cpos-number

    The CPOS interface view is displayed.

  3. According to the type of the interface to be detected, choose one of the following commands to enable loopback.

    • In the case of a CPOS interface, run the loopback { local | remote } command.

    • In the case of the E1 channel of a CPOS interface, run the e1 e1-number set loopback { local | remote } command.

    • In the case of the T1 channel of a CPOS interface, run the t1 t1-number set loopback { local | remote } command.

    By default, loopback is disabled on an interface.

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Updated: 2019-03-06

Document ID: EDOC1100069331

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