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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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Monitoring MLD Snooping Running Status

Monitoring MLD Snooping Running Status


In routine maintenance, you can run the following commands in any view to check the MLD snooping configuration, group member ports, router ports, multicast group entries, and packets statistics.


  • Run the display mld-snooping [ vlan vlan-id ] configuration command to check MLD snooping configuration.
  • Run the display mld-snooping [ vlan vlan-id ] command to check running parameters of MLD snooping.
  • Run the display mld-snooping port-info [ vlan vlan-id [ group-address ipv6-group-address ] ] [ verbose ] command to check member ports of a multicast group.
  • Run the display mld-snooping router-port [ vlan vlan-id ] command to check router ports.
  • Run the display mld-snooping forwarding-table vlan [ vlan-id ] [ [ source-address source-ipv6-address ] group-address { group-ipv6-address | router-group } ] command to check the multicast forwarding table in a VLAN.
  • Run the display l2-multicast forwarding-mode vlan [ vlan-id ] command to check multicast data forwarding mode in the VLAN.
  • Run the display mld-snooping statistics [ vlan vlan-id ] command to check MLD snooping statistics.
Updated: 2019-04-08

Document ID: EDOC1100065742

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