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Configuration Guide - IP Multicast

S7700 and S9700 V200R010C00

This document describes IP multicast basics and how to configure IP multicast features, including IGMP/MLD, PIM (IPv4&IPv6), MSDP, multicast VPN, Layer 3 multicast CAC, Layer 2 multicast CAC, IGMP/MLD snooping, and multicast VLAN, IPv4&IPv6 multicast route management, static multicast MAC address, multicast network.
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(Optional) Configuring an SSM Group Address Range

(Optional) Configuring an SSM Group Address Range


The default SSM group address range is to An IGMP proxy device provides the SSM service for hosts only when it receives Report messages with group address in this range. Sometimes, the SSM group address range must be narrowed to ensure security of a multicast network, and sometimes, the SSM group address range needs to be expanded because the default SSM group addresses are insufficient. In these cases, configure an SSM group address range on IGMP proxy devices. Ensure that all the multicast devices on the network are configured with the same SSM group address range.


  1. Run:


    The system view is displayed.

  2. Run:

    igmp [ vpn-instance vpn-instance-name ]

    The IGMP view is displayed.

  3. Run:

    proxy ssm-policy { basic-acl-number | acl-name acl-name }

    An SSM group address range for IGMP proxy is configured.

    The default SSM group address range for IGMP proxy is

Updated: 2019-08-21

Document ID: EDOC1000141903

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