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Configuration Guide - IP Multicast

S7700 and S9700 V200R010C00

This document describes IP multicast basics and how to configure IP multicast features, including IGMP/MLD, PIM (IPv4&IPv6), MSDP, multicast VPN, Layer 3 multicast CAC, Layer 2 multicast CAC, IGMP/MLD snooping, and multicast VLAN, IPv4&IPv6 multicast route management, static multicast MAC address, multicast network.
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Monitoring IGMP Running Status

Monitoring 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 following commands to check information about members of a static multicast group.

    • Run the display igmp [ vpn-instance vpn-instance-name | all-instance ] group [ group-address ] static [ up | down ] [ verbose ] command to display the interfaces that are in Up or Down state and have been statically bound to a multicast group.
    • Run the display igmp [ vpn-instance vpn-instance-name | all-instance ] group [ group-address ] static interface-number command to display the number of interfaces that have been statically bound to 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 static multicast groups on a specified interface.
    • Run the display igmp [ vpn-instance vpn-instance-name | all-instance ] group static interface interface-type interface-number entry-number command to display the number of static multicast groups configured on a specified interface.

  • 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 ] routing-table [ group-address [ mask { group-mask | group-mask-length } ] | source-address [ mask { source-mask | source-mask-length } ] ]* [ static ] [ outgoing-interface-number [ number ] ] command to display information about the IGMP routing table.
  • 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: 2019-08-21

Document ID: EDOC1000141903

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