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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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Setting the MLD Snooping Version

Setting the MLD Snooping Version

Context

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.

Procedure

  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.

    NOTE:

    MLDv2 is not supported when MAC address-based forwarding is enabled in the VLAN.

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Updated: 2019-04-08

Document ID: EDOC1100065742

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