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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 in a VLAN

Configuring the Multicast Group Type in a VLAN


Two multicast models are available: any-source multicast (ASM) model and source-specific multicast (SSM) model. In the ASM model, packets do not carry multicast source addresses. In the SSM model, packets carry multicast source addresses. Packets using different models are identified by their multicast group addresses. To configure the switch to learn group memberships only in the ASM or SSM model in a VLAN, specify the multicast group type in the VLAN.


This function applies only to MLDv2 and does not take effect when MLDv1 is used.


  1. Run system-view

    The system view is displayed.

  2. Run vlan vlan-id

    The VLAN view is displayed.

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

    The type of the multicast groups in the 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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