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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 IGMP Snooping SSM Mapping Functions

Configuring IGMP Snooping SSM Mapping Functions


  • By configuring Source-Specific Multicast (SSM) mapping, you can set up one-to-one mappings between multicast groups and multicast sources.

  • SSM mapping applies only to the scenario where IGMP snooping in the VLAN can process IGMPv3 messages.


  1. Run:


    The system view is displayed.

  2. Run:

    vlan vlan-id

    The VLAN view is displayed.

  3. Run:

    igmp-snooping version  3

    The version of IGMP snooping run in the VLAN is set to 3.

    The default version number of IGMP snooping is 2, but IGMPv2 version does not support SSM mapping.

  4. Run:

    igmp-snooping ssm-mapping enable

    SSM mapping is enabled in the VLAN.

    By default, SSM mapping is disabled in a VLAN.

  5. Run:

    igmp-snooping ssm-mapping group-address { group-mask | mask-length } source-address

    The mapping between a group address and a multicast source address is configured.

    The group address must be in the SSM group address range. If you want to change the SSM group address range, see (Optional) Configuring an SSM Group Policy.

Updated: 2019-06-12

Document ID: EDOC1000097181

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