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CLI-based Configuration Guide - IP Multicast

AR120, AR150, AR160, AR200, AR1200, AR2200, AR3200, and AR3600 V200R007

This document describes the principles and configurations of IP multicast, and provides configuration examples.
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Monitoring MLD Running Status

Monitoring 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 explicit-tracking [ interface interface-type interface-number [ host-address ipv6-host-address | group ipv6-group-address source ipv6-source-address ] ] command to check information about the MLDv2 hosts that join the specific source/group in INCLUDE mode.
  • 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 following commands to check information about receiver hosts in a static MLD multicast group:

    • Run the display mld group [ ipv6-group-address ] static [ up | down ] [ verbose ] command to check information about the Up or Down interface in a static MLD multicast group.
    • Run the display mld group [ ipv6-group-address ] static interface-number command to check the number of interfaces in a static MLD multicast group.
    • Run the display mld group [ ipv6-group-address ] interface interface-type interface-number static [ verbose ] command to check information about a static MLD multicast group on a specified interface.
    • Run the display mld group static interface interface-type interface-number entry-number command to check the number of static MLD multicast groups or sources on a specified interface.

  • 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 routing-table [ ipv6-source-address [ ipv6-source-mask-length ] | ipv6-group-address [ ipv6-group-mask-length ] ]* [ static ] [ outgoing-interface-number [ number ] ] command to check MLD routing table information.
  • Run the display mld ssm-mapping interface [ interface-type interface-number [ group ipv6-group-address ] ] command to check information about an interface enabled with MLD SSM mapping.
  • 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: 2019-06-12

Document ID: EDOC1000097181

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