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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 IGMP Running Status

Monitoring the IGMP Running Status

Context

Run the following display commands in any view to check the IGMP running status during routine maintenance.

Procedure

  • Run the display igmp [ vpn-instance vpn-instance-name | all-instance ] group [ group-address | interface interface-type interface-number ]* [ verbose ] command to display information about the members that have dynamically joined a multicast group.
  • Run the display igmp [ vpn-instance vpn-instance-name | all-instance ] group [ group-address | interface interface-type interface-number ]* static [ verbose ] command to display information about members of a static multicast group.
  • Run the display igmp [ vpn-instance vpn-instance-name | all-instance ] interface [ interface-type interface-number | up | down ] [ verbose ] command to display the IGMP configuration and running information on an interface.
  • Run the display igmp [ vpn-instance vpn-instance-name | all-instance ] group [ group-address | interface interface-type interface-number ]* ssm-mapping [ verbose ] command to display information about group memberships established with SSM mapping.
  • Run the display igmp [ vpn-instance vpn-instance-name | all-instance ] ssm-mapping { group [ group-address ] | interface [ interface-type interface-number ] } command to display SSM mapping entries configured and whether SSM mapping is enabled on an interface.
  • Run the display igmp [ vpn-instance vpn-instance-name | all-instance ] control-message counters [ interface interface-type interface-number ] [ message-type { query | report } ] command check statistics about IGMP messages.
  • Run the following commands to check statistics about invalid IGMP messages and detailed information about these messages.

    • Run the display igmp [ vpn-instance vpn-instance-name | all-instance ] invalid-packet [ interface interface-type interface-number | message-type { leave | query | report } ]* command to display statistics about invalid IGMP messages.
    • Run the display igmp invalid-packet [ packet-number ] verbose command to display detailed information about the latest invalid IGMP messages received on the device.

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Updated: 2019-04-20

Document ID: EDOC1100075361

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