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CLI-based Configuration Guide - IP Multicast

AR500, AR510, AR531, AR550, AR1500, and AR2500 V200R010

This document describes the concepts and configuration procedures of IP Service features on the device, and provides the 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 system-view

    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: 2019-08-09

Document ID: EDOC1100034230

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