show igmpsnooping querier

Use this command to display IGMP (Internet Group Management Protocol) Snooping Querier information. Configured information is displayed whether IGMP Snooping Querier is enabled.

Format show igmpsnooping querier [{detail | vlan vlanid}]
Mode Privileged EXEC

When the optional argument vlanid is not used, the command displays the following information.

Column
Meaning
Admin Mode Whether IGMP Snooping Querier is active on the switch.
Admin Version The version of IGMP that will be used while sending out the queries.
Querier Address The IP Address which will be used in the IPv4 header while sending out IGMP queries. It can be configured using the appropriate command.
Query Interval The amount of time in seconds that a Snooping Querier waits before sending out the periodic general query.
Querier Timeout The amount of time to wait in the Non-Querier operational state before moving to a Querier state.

When you specify a value for vlanid, the following additional information appears.

Column
Meaning
VLAN Admin Mode Whether iGMP Snooping Querier is active on the VLAN.
VLAN Operational State Whether IGMP Snooping Querier is in “Querier” or “Non-Querier” state. When the switch is in Querier state, it will send out periodic general queries. When in Non-Querier state, it will wait for moving to Querier state and does not send out any queries.
VLAN Operational Max Response Time The time to wait before removing a Leave from a host upon receiving a Leave request. This value is calculated dynamically from the Queries received from the network. If the Snooping Switch is in Querier state, then it is equal to the configured value.
Querier Election Participation Whether the IGMP Snooping Querier participates in querier election if it discovers the presence of a querier in the VLAN.
Querier VLAN Address The IP address will be used in the IPv4 header while sending out IGMP queries on this VLAN. It can be configured using the appropriate command.
Operational Version The version of IPv4 will be used while sending out IGMP queries on this VLAN.
Last Querier Address The IP address of the most recent Querier from which a Query was received.
Last Querier Version The IGMP version of the most recent Querier from which a Query was received on this VLAN.

When the optional argument detail is used, the command shows the global information and the information for all Querier-enabled VLANs.