During routine maintenance, you can run the commands in the section in any view to learn the running status of IGMP.
Table 1 shows the related operations for monitoring the running status of IGMP.
| Operation | Command |
|---|---|
Display default configurations about IGMP. |
|
Display statistics about the IGMP messages received by an interface. |
display igmp [ vpn-instance vpn-instance-name | all-instance ] control-message counters [ interface interface-type interface-number ] [ message-type { query | report } ] |
Display information about the tracked IGMPv3 hosts that join the specific source/group in Include mode. |
display igmp [ vpn-instance vpn-instance-name | all-instance ] explicit-tracking [ interface interface-type interface-number [ host-address host-address | group group-address source source-address ] ] |
Display information about IGMP multicast groups. |
display igmp [ vpn-instance vpn-instance-name | all-instance ] group [ group-address | interface interface-type interface-number ] * [ static ] [ verbose ] |
Display information about the multicast groups configured with SSM mapping rules. |
display igmp [ vpn-instance vpn-instance-name | all-instance ] group [ group-address | interface interface-type interface-number ] * ssm-mapping [ verbose ] |
Display information about multicast groups and interfaces that statically join IGMP multicast groups or source-specific IGMP groups. |
display igmp [ vpn-instance vpn-instance-name | all-instance ] group [ group-address ] static [ up | down ] [ verbose ] display igmp [ vpn-instance vpn-instance-name | all-instance ] group [ group-address ] static interface-number display igmp [ vpn-instance vpn-instance-name | all-instance ] group static interface interface-type interface-number entry-number |
Display the configuration and running of IGMP on an interface. |
display igmp [ vpn-instance vpn-instance-name | all-instance ] interface [ interface-type interface-number | up | down ] [ verbose ] |
Display statistics about invalid IGMP messages received by a device as well as details about these messages. |
display igmp [ vpn-instance vpn-instance-name | all-instance ] invalid-packet [ interface interface-type interface-number | message-type { leave | query | report } ] * display igmp invalid-packet [ packet-number ] verbose |
Display information about the IGMP routing table. |
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 ] ] |
Display SSM mapping and check whether the interface is configured with IGMP SSM mapping. |
display igmp [ vpn-instance vpn-instance-name | all-instance ] ssm-mapping { group [ group-address ] | interface [ interface-type interface-number ] } |