Cisco Catalyst 3550

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Catalyst 3550 Multilayer Switch Command Reference
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Chapter 2 Catalyst 3550 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 Gi0/1
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 Fa8/0/1
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 Fa8/0/1
--------------------------------------------------------
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.