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Configuration Guide - IP Multicast

S7700 and S9700 V200R013C00

This document describes the configurations of IP multicast, including IP multicast basics, IGMP, MLD, IPv4 PIM, IPv6 PIM, MSDP, multicast VPN, layer 3 multicast CAC, IPv4 multicast route management, IPv6 multicast route management, IGMP snooping, MLD snooping, static multicast MAC address, multicast VLAN replication, layer 2 multicast CAC, multicast network management.
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(Optional) Configuring an SSM Group Address Range

(Optional) Configuring an SSM Group Address Range

Context

The default SSM group address range is 232.0.0.0 to 232.255.255.255. 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.

Procedure

  1. Run system-view

    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 232.0.0.0/8.

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Updated: 2019-04-08

Document ID: EDOC1100065742

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