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Configuration Guide - IP Multicast

CloudEngine 8800, 7800, 6800, and 5800 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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Monitoring the MLD Running Status

Monitoring the MLD Running Status

Context

To check the MLD running status during routine maintenance, run the following display commands in any view.

Procedure

  • Run the display mld group [ ipv6-group-address | interface interface-type interface-number ]* [ verbose ] command to check information about receiver hosts that dynamically join a multicast group.
  • Run the display mld group [ ipv6-group-address | interface interface-type interface-number ]* static [ verbose ] command to check information about members of a static MLD multicast group.
  • Run the display mld group [ ipv6-group-address | interface interface-type interface-number ]* ssm-mapping [ verbose ] command to check information about multicast group entries established with MLD SSM mapping.
  • Run the display mld interface [ interface-type interface-number | up | down ] [ verbose ] command to check the MLD configuration on an interface.
  • Run the display mld ssm-mapping { group [ ipv6-group-address ] | interface [ interface-type interface-number ] } command to check the configuration of MLD SSM mapping.
  • Run the display mld control-message counters [ interface interface-type interface-number ] [ message-type { query | report } ] command to check statistics about MLD messages on an interface.
  • Run the display mld invalid-packet [ interface interface-type interface-number | message-type { done | query | report } ]* command to check statistics about invalid MLD messages received by the device.
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Updated: 2019-04-20

Document ID: EDOC1100075361

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