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Configuration Guide - IP Multicast

CloudEngine 12800 and 12800E V200R005C10

This document describes the configurations of IP multicast, including IP multicast basics, IGMP, MLD, PIM (IPv4), PIM (IPv6), MSDP, multicast VPN, multicast route management (IPv4), multicast route management (IPv6), IGMP snooping, MLD snooping, static multicast MAC address, multicast VLAN, multicast network management.
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Configuring the Multicast Group Type for a VLAN

Configuring the Multicast Group Type for a VLAN


There are two multicast service models: Any-Source Multicast (ASM) and Source-Specific Multicast (SSM). In the ASM model, packets do not carry multicast source information; while in the SSM model, packets carry multicast source information. The ASM and SSM models use different multicast group addresses. This function enables the switch to learn only IGMP messages within the ASM or SSM address scope.


This function applies only to the switch that runs IGMPv3 snooping but not IGMPv1 or IGMPv2 snooping.


  1. Run system-view

    The system view is displayed.

  2. Run vlan vlan-id

    The VLAN view is displayed.

  3. Run igmp snooping { asm-only | ssm-only | asm-ssm }

    The type of multicast groups in a VLAN is configured.

    By default, the type of multicast groups in a VLAN is asm-ssm.

  4. Run commit

    The configuration is committed.

Updated: 2019-04-20

Document ID: EDOC1100074724

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