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NE40E-M2 V800R010C10SPC500 Configuration Guide - WAN Access 01

This is NE40E-M2 V800R010C10SPC500 Configuration Guide - WAN Access
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(Optional) Binding an LMSP Group to a BFD Session

(Optional) Binding an LMSP Group to a BFD Session

Context

To monitor an MC-LMSP group, a BFD session monitors an mPW between the working and protection interfaces on the AC side, and the MC-LMSP group is bound to another BFD session. If faults occur, the working and protection devices can use BFD to notify each other of the faults and implement rapid traffic switchovers between the working and protection devices.

Perform the following steps on the working or protection interface of an LMSP group:

Procedure

  1. Run system-view

    The system view is displayed.

  2. Run the following commands:

    controller cpos cpos-number

    The working interface view or the protection interface view is displayed.

  3. Bind an LMSP group to a BFD session.

    This configuration procedure is based on a scenario where BFD is configured to track the status of the working interface and quickly transmit the status to the device where the protection interface resides. The procedure for configuring BFD to track the protection interface and quickly transmit the status to the device where the working interface resides is similar.

    1. Establish an mPW between MC-LMSP-enabled devices. For the configuration procedure, see the chapter "PW Redundancy Configuration" in HUAWEI NE40E-M2 Series Universal Service Router Configuration Guide - VPN.
    2. Run the bfd cfg-name bind pw interface interface-type interface-number track-interface interface interface-type interface-number command on the device with a working interface to configure a BFD session to monitor the mPW and bind the BFD session to the working interface.
    3. Run the bfd cfg-name bind pw interface interface-type interface-number select-board slot-id command on the device with a protection interface to specify the interface board where the BFD session is configured to monitor the mPW.
    4. Run the aps track bfd-session session-name bfd-session-name command on the device with the protection interface to bind the interface to the BFD session.
    NOTE:

    The undo aps group command deletes the LMSP group configurations and removes the binding between the LMSP group and a BFD session if configured.

  4. Run commit

    The configuration is committed.

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Updated: 2019-01-02

Document ID: EDOC1100058399

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