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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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(Optional) Enabling the Line Probing Function

(Optional) Enabling the Line Probing Function

Prerequisites

The G.SHDSL interface has been deactivated.

Context

If the line probing function is enabled on a G.SHDSL interface, the G.SHDSL interface will be activated at the optimal line rate.

  • If the remote DSLAM is configured with the maximum and minimum G.SHDSL line rates, the local G.SHDSL interface must be activated at a rate within the specified range. Enable the line probing function on the G.SHDSL interface so that the interface can automatically select an appropriate rate that is within the specified range.

  • If the remote DSLAM is configured with a fixed G.SHDSL line rate, the local G.SHDSL interface must be activated at the fixed G.SHDSL line rate. By disabling the line probing function on the G.SHDSL interface, enable the G.SHDSL interface to be activated at the fixed G.SHDSL line rate.

NOTE:
If the modulation mode of a G.SHDSL interface is set to 64 PAM or 128 PAM, the line probing function cannot be enabled on the G.SHDSL interface, and the G.SHDSL interface will be activated at the maximum transmission rate configured using the shdsl rate maximum command. If the G.SHDSL interface cannot be activated because the configured rate is too high, you need to manually configure the maximum transmission rate of the G.SHDSL interface based on the actual line rate.

Procedure

  1. Run system-view

    The system view is displayed.

  2. Run either of the following commands to enter the G.SHDSL interface view.
    • If the transmission mode is set to ATM, run:
      interface atm interface-number
    • If the transmission mode is set to PTM, run:
      interface ethernet interface-number
  3. Run shdsl line-probing enable

    The line probing function is enabled on the G.SHDSL interface.

    By default, the line probing function is enabled on a G.SHDSL interface.

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Updated: 2019-03-06

Document ID: EDOC1100069331

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