IGMP Snooping Querier Commands 293show igmp snooping querierThis command displays IGMP Snooping Querier information. Configured information isdisplayed whether or not IGMP Snooping Querier is enabled.When the optional argumentvlan_id is not used, the command shows the followinginformation:• Admin Mode — Indicates whether or not IGMP Snooping Querier is active on the switch.• Admin Version — Indicates the version of IGMP that will be used while sending out thequeries.• Source IP Address — Shows the IP address that is used in the IPv4 header when sending outIGMP queries. It can be configured using the appropriate command.• Query Interval — Shows the amount of time in seconds that a Snooping Querier waits beforesending out the periodic general query• Querier Timeout — Displays the amount of time to wait in the Non-Querier operationalstate before moving to a Querier state.When you specify a value forvlan_id, the following information appears:• VLAN Admin Mode — Indicates whether IGMP Snooping Querier is active on the VLAN.• VLAN Operational State — Indicates whether IGMP Snooping Querier is in the Querier orNon-Querier state. When the switch is in Querier state it sends out periodic general queries.When in Non-Querier state it waits for moving to Querier state and does not send out anyqueries.• VLAN Operational Max Response Time — Indicates the time to wait before removing aLeave from a host upon receiving a Leave request. This value is calculated dynamically fromthe Queries received from the network. If the Snooping Switch is in Querier state, then it isequal to the configured value.• Querier Election Participate — Indicates whether the IGMP Snooping Querier participates inquerier election if it discovers the presence of a querier in the VLAN.• Last Querier Address — Indicates the IP address of the most recent Querier from which aQuery was received.• Last Querier Version — Indicates the IGMP version of the most recent Querier from which aQuery was received on this VLAN.• Elected Querier — Indicates the IP address of the Querier that has been designated as theQuerier based on its source IP address. This field will be 0.0.0.0 when Querier ElectionParticipate mode is disabledWhen the optional argument detail is used, the command shows the global information and theinformation for all Querier enabled VLANs.
