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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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Setting Parameters for a VDSL Interface

Setting Parameters for a VDSL Interface

Prerequisites

The VDSL interface has been deactivated.

Context

The router used as the CPE and the peer device must use the same bit exchange status, seamless rate adaptation status, and trellis coding status so that they can communicate.

Procedure

  1. Run system-view

    The system view is displayed.

  2. Run interface ethernet interface-number

    The VDSL interface view in PTM mode is displayed.

  3. Run vdsl standard vdsl2 { annexa | annexb }

    A transmission standard is configured for a VDSL interface in PTM mode.

    By default, a VDSL interface in PTM mode automatically uses the transmission standard of the peer interface.

    NOTE:

    AR109, AR109W, AR109GW-L, AR129, AR129CVW, AR129CV, AR129GW-L, AR129CGVW-L, AR129W, AR169, AR169CVW, AR169CVW-4B4S, AR169G-L, AR169-P-M9, AR169W-P-M9, and AR169RW-P-M9 do not support T1.413.AR169EW, AR169EGW-L, AR169F, AR169BF, AR169FVW, AR169FVW-8S, AR169FGW-L, AR169JFVW-4B4S, AR169JFVW-2S,and AR169FGVW-L only support AnnexA and AnnexM. AR169BF only supports AnnexB and AnnexJ.

  4. Run adsl bitswap { off | on }

    Bit exchange is configured on the VDSL interface.

    By default, bit exchange is enabled on a VDSL interface.

  5. Run adsl sra { off | on }

    Seamless rate adaptation is configured on the VDSL interface.

    By default, seamless rate adaptation is disabled on a VDSL interface.

  6. Run adsl trellis { off | on }

    Trellis coding is configured on the VDSL interface.

    By default, trellis coding is enabled on a VDSL interface.

  7. (Optional) Run undo vdsl bind

    Two lines of the VDSL interface in PTM mode are unbound.

    By default, two lines of a VDSL interface in PTM mode are bound.

    When the device is deployed as a CPE, a VDSL interface in PTM mode has two lines (Line0 and Line1). By default, the two lines are bound to increase bandwidth. When the DSLAM requires the CPE to use one line for access, run the undo vdsl bind command to unbind the two lines of the VDSL interface in PTM mode.

  8. (Optional) Run undo vdsl upstream-retrans enable

    The upstream retransmission function is disabled on the VDSL interface in PTM mode.

    By default, the upstream retransmission function is enabled on a VDSL interface in PTM mode.

    NOTE:

    Only the AR109, AR109W, AR109GW-L, AR129, AR129W, AR129CVW, AR129GW-L, AR129CGVW-L, AR169, AR169W, AR169CVW, AR169CVW-4B4S, AR169G-L, AR169W-P-M9, AR169RW-P-M9, and AR169-P-M9 support this configuration.

    When a device is deployed as a CPE, the upstream retransmission function is enabled on a VDSL interface in PTM mode by default to enhance the link reliability. When the device is restarted, it sends a Dying Gasp message to the remote device. If the remote device that does not support the upstream retransmission function receives a Dying Gasp message, you can run the undo vdsl upstream-retrans enable command to disable the upstream retransmission function on a VDSL interface in PTM mode. In this case, the remote device can properly respond the Dying Gasp message.

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Updated: 2019-03-06

Document ID: EDOC1100069331

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