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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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Example for Configuring an ADSL Interface

Example for Configuring an ADSL Interface

Networking Requirements

As shown in Figure 16-2, multiple hosts in Enterprise A access an enterprise gateway router. The router accesses a DSLAM over an ADSL line.

Enterprise A requires a data access solution that is easy to deploy and provides high-speed downstream transmission to meet requirements of data and video services. To meet these service requirements, the carrier provides an ADSL line for Enterprise A so that the device can connect to the DSLAM by using an ADSL interface.

Figure 16-2  ADSL networking diagram

Configuration Roadmap

The configuration roadmap is as follows:
  1. Deactivate an ADSL interface.
  2. Set the same parameters on the device as those of the DSLAM. Parameters for the ADSL interface on the DSLAM: The transmission standard ADSL2+ is used, bit exchange and trellis coding are enabled, and seamless rate adaptation are disabled.
  3. Activate the ADSL interface.


  1. Deactivate ATM1/0/0.

    <Huawei> system-view
    [Huawei] sysname Router
    [Router] interface atm 1/0/0
    [Router-Atm1/0/0] shutdown

  2. Configure the transmission standard ADSL2+ for the ADSL interface.

    [Router-Atm1/0/0] adsl standard adsl2+

  3. Enable bit exchange on the ADSL interface.

    [Router-Atm1/0/0] adsl bitswap on

  4. Disable seamless rate adaptation on the ADSL interface.

    [Router-Atm1/0/0] adsl sra off

  5. Enable trellis coding on the ADSL interface.

    [Router-Atm1/0/0] adsl trellis on

  6. Activate ATM1/0/0.

    [Router-Atm1/0/0] undo shutdown
    [Router-Atm1/0/0] quit

  7. Verify the configuration.

    # Check the training status, transmission standard, line status, performance statistics, bit exchange status, seamless rate adaptation status, trellis coding status, and board version of the ADSL interface.

    [Router] display dsl interface atm 1/0/0
     DSL driver and PHY status
          Training Status                      : Showtime
          Transmission mode                    : ADSL2+
          Line Status                          : No Defect
          Downstream max. attainable rate(Kbps): 8184
          Upstream max. attainable rate(Kbps)  : 529
          Downstream actual net data rate(Kbps): 4538
          Upstream actual net data rate(Kbps)  : 221
          Downstream SNR margin(dB)            : 13.1
          Upstream SNR margin(dB)              : 18.9
          Downstream attenuation(dB)           : 0.0
          Upstream attenuation(dB)             : 4.8
          Downstream output power(dB)          : 7.2
          Upstream output power(dB)            : -8.3
          Downstream total cells               : 3305378
          Upstream total cells                 : 74443
          Downstream data cells                : 36545
          Upstream data cells                  : 5447
          Downstream bit errors                : 124
          Upstream bit errors                  : 365
          Total drop cells                     : 241
          Downstream total ES count            : 0
          Upstream total ES count              : 0
          Downstream total SES count           : 0
          Upstream total SES count             : 0
          Downstream total UAS count           : 72
          Upstream total UAS count             : 72
          Total AS count                       : 36
     Line modulations
          G.Dmt                                : Disabled
          ADSL2                                : Disabled
          T1.413                               : Disabled
          AnnexL                               : Disabled
          ADSL2+                               : Enabled
          AnnexM                               : Disabled
     Line capability
          Bitswap                              : On
          SRA                                  : Off
          Trellis coding                       : On
     Board version
          vendor ID                            : BDCM:0x938f                                                         
          vendor serial                        : 0x938f  
          Board ID:                            : 963281TAN
          Software version                     : 4.06L.03
          Bootloader (CFE) version             : 1.0.37-106.24
          DSL PHY and driver version           : A2pD033a.d23c
          Build timestamp                      : 20110221_2122

    # Check the configuration and status of an ADSL interface.

    [Router] display interface atm 1/0/0
    Atm1/0/0 current state : UP
    Line protocol current state : UP
    Last line protocol up time : 2011-7-27 14:57:48
    Description:HUAWEI, AR Series, Atm1/0/0 Interface
    Route Port,The Maximum Transmit Unit is 1488
    Internet Address is
    AAL enabled: AAL5, Maximum VCs: 16
    VCs on main-interface: 1 (Total VCs: 1)
    VPs on main-interface: 0 (Total VPs: 0)
    Last physical up time   : 2010-06-21 14:56:32
    Last physical down time : 2010-06-21 14:56:31
    Current system time: 2011-08-01 15:42:04
    Port PHY type    : ADSL
    The physical uptimes since the system startup : 2
    Last 300 seconds input rate 0 bits/sec, 0 packets/sec
    Last 300 seconds output rate 0 bits/sec, 0 packets/sec
    Input correct packet:  0 packets, Input total data:  0 bytes
      OAM Cells:                  0,  ASM Cells:                   0
      Packet Errors:              0,  Cell Errors:                 0
    Output:  0 packets, 0 bytes
      OAM Cells:                  0,  ASM Cells:                   0
        Input bandwidth utilization  :    0%
        Output bandwidth utilization :    0%       

Configuration Files

  • Configuration file of the Router
     sysname Router
    interface Atm1/0/0
     adsl standard adsl2+
Updated: 2019-03-06

Document ID: EDOC1100069331

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