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S600-E V200R012C00 Configuration Guide - IP Multicast

This document describes the configurations of IP multicast, including IGMP snooping, MLD snooping, static multicast MAC address, multicast VLAN replication, controllable multicast, multicast network management.
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Setting the MLD Snooping Version

Setting the MLD Snooping Version


The Multicast Listener Discovery (MLD) protocol maintains group memberships between Layer 3 multicast devices and user hosts. Two versions are available: v1 and v2. After an MLD version is configured on a Layer 2 device, the device can process MLD messages of the specified version. Generally, a Layer 2 device should use the same MLD version as the upstream Layer 3 multicast device. If MLD is disabled on the Layer 3 multicast device, the Layer 2 device must use an MLD snooping version later than or the same as that on user hosts.

If user hosts in a VLAN support different MLD versions, the Layer 2 device must be able to process the MLD packets of all these versions.


  1. Run system-view

    The system view is displayed.

  2. Run vlan vlan-id

    The VLAN view is displayed.

  3. Run mld-snooping version version

    An MLD version is specified.

    By default, the switch can process only MLDv1 packets.


    When the MLD snooping version is set to MLDv2, the switch forwards multicast data by looking up the forwarding table according to the VLAN ID and group address.

Updated: 2018-09-01

Document ID: EDOC1100037948

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