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Cisco IE 3000 Switch Command Reference
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Chapter 2    IE 3000 Switch  Cisco IOS Commands
  show ip igmp snooping querier
Examples This is an example of output from the show ip igmp snooping querier command:
Switch> show ip igmp snooping querier
Vlan      IP Address     IGMP Version        Port
---------------------------------------------------
1         172.20.50.11   v3                  Gi1/1
2         172.20.40.20   v2                  Router
This is an example of output from the show ip igmp snooping querier detail command:
Switch> show ip igmp snooping querier detail
Vlan      IP Address     IGMP Version   Port
-------------------------------------------------------------
1         1.1.1.1        v2             Fa1/1 
Global IGMP switch querier status
--------------------------------------------------------
admin state                    : Enabled
admin version                  : 2
source IP address              : 0.0.0.0        
query-interval (sec)           : 60
max-response-time (sec)        : 10
querier-timeout (sec)          : 120
tcn query count                : 2
tcn query interval (sec)       : 10
Vlan 1:   IGMP switch querier status
--------------------------------------------------------
elected querier is 1.1.1.1         on port Fa1/1
--------------------------------------------------------
admin state                    : Enabled
admin version                  : 2
source IP address              : 10.1.1.65      
query-interval (sec)           : 60
max-response-time (sec)        : 10
querier-timeout (sec)          : 120
tcn query count                : 2
tcn query interval (sec)       : 10
operational state              : Non-Querier
operational version            : 2
tcn query pending count        : 0
Related Commands Command Description
ip igmp snooping Enables IGMP snooping on the switch or on a VLAN.
ip igmp snooping querier Enables the IGMP querier function in Layer 2 networks.
show ip igmp snooping Displays IGMP snooping multicast router ports for the switch or 
for the specified multicast VLAN.