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CLI-based Configuration Guide - IP Multicast

AR120, AR150, AR160, AR200, AR1200, AR2200, AR3200, and AR3600 V200R007

This document describes the principles and configurations of IP multicast, and provides configuration examples.
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Configuring MSDP Peers

Configuring MSDP Peers


An MSDP peer relationship is identified by the addresses of the local and remote MSDP peers. You must create an MSDP peer relationship on both the local and remote ends.


  1. Run:


    The system view is displayed.

  2. Run:

    msdp [ vpn-instance vpn-instance-name ]

    The MSDP view is displayed.

  3. Run:

    peer peer-address connect-interface interface-type interface-number

    MSDP peers are created.

    • peer-address: specifies the address of the remote MSDP peer.

    • interface-type interface-number: specifies the local interface connected to the remote MSDP peer.

  4. (Optional) Run:

    peer peer-address description text

    The description of a remote MSDP peer is added.

    This configuration helps to differentiate remote MSDP peers and manage the connections to the remote MSDP peers.

  5. (Optional) Run:

    timer retry interval

    The interval at which MSDP peers retry to set up a connection with each other is set.

    A TCP connection needs to be quickly established between MSDP peers in one of the following situations:

    • An MSDP peer is created.
    • The disconnected MSDP peers need to be reconnected.
    • A faulty MSDP peer attempts to restore works.

    You can run this command to adjust the interval at which MSDP peers retry to set up a connection.

  6. (Optional) Configure an MSDP authentication mode.

    To improve the security of a TCP connection, MSDP supports two authentication modes: message digest algorithm 5 (MD5) and keychain. MD5 authentication and keychain authentication are mutually exclusive on an MSDP peer. You must configure the same password on both ends in MD5 authentication or configure the same encryption algorithm and password on both ends in keychain authentication. Otherwise, the TCP connection cannot be set up.


    MD5 is not a secure authentication algorithm. To ensure security, you are advised to use the more secure Keychain algorithm for MSDP authentication.

    • Run:

      peer peer-address password { cipher cipher-password | simple simple-password }

      MSDP MD5 authentication is configured.

      If simple is selected, the password is saved in the configuration file in plain text. This brings security risks. It is recommended that you select cipher to save the password in cipher text.

    • Run:

      peer peer-address keychain keychain-name

      MSDP keychain authentication is configured.

      keychain-name in this command is defined in the keychain command. For details, see "Keychain Configuration" in the Huawei AR Series Access Routers Configuration Guide-Security.

  7. (Optional) Run:

    shutdown peer-address

    The session with the remote MSDP peer is closed.

    After the session with the remote MSDP peer is closed, SA messages are not exchanged between the MSDP peers. The configuration, however, is saved. You can run the undo shutdown peer-address command to set up a session with the remote MSDP peer and to reestablish a TCP connection.

Updated: 2019-06-12

Document ID: EDOC1000097181

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