2-550Cisco Catalyst Blade Switch 3120 for HP Command ReferenceOL-12248-03Chapter 2 Cisco Catalyst Blade Switch 3120 for HP Cisco IOS Commandsshow ip igmp snooping queriershow ip igmp snooping querierUse the show ip igmp snooping querier detail user EXEC command to display the configuration andoperation information for the IGMP querier configured on a switch.show ip igmp snooping querier [detail | vlan vlan-id [detail]] [ | {begin | exclude | include}expression]Syntax DescriptionCommand Modes User EXECCommand HistoryUsage Guidelines Use the show ip igmp snooping querier command to display the IGMP version and the IP address of adetected device, also called a querier, that sends IGMP query messages. A subnet can have multiplemulticast routers but has only one IGMP querier. In a subnet running IGMPv2, one of the multicastrouters is elected as the querier. The querier can be a Layer 3 switch.The show ip igmp snooping querier command output also shows the VLAN and the interface on whichthe querier was detected. If the querier is the switch, the output shows the Port field as Router. If thequerier is a router, the output shows the port number on which the querier is learned in the Port field.The show ip igmp snooping querier detail user EXEC command is similar to the show ip igmpsnooping querier command. However, the show ip igmp snooping querier command displays only thedevice IP address most recently detected by the switch querier.The show ip igmp snooping querier detail command displays the device IP address most recentlydetected by the switch querier and this additional information:• The elected IGMP querier in the VLAN• The configuration and operational information pertaining to the switch querier (if any) that isconfigured in the VLANExpressions are case sensitive. For example, if you enter | exclude output, the lines that contain outputdo not appear, but the lines that contain Output appear.detail Optional) Display detailed IGMP querier information.vlan vlan-id [detail] Optional) Display IGMP querier information for the specified VLAN. Therange is 1 to 1001 and 1006 to 4094. Use the detail keyword to displaydetailed information.| begin (Optional) Display begins with the line that matches the expression.| exclude (Optional) Display excludes lines that match the expression.| include (Optional) Display includes lines that match the specified expression.expression Expression in the output to use as a reference point.Release Modification12.2(40)EX1 This command was introduced.
