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Catalyst4500 Series SwitchCiscoIOS Command Reference—Release 12.2(18)EW
78-16201-01
Chapter2Cisco IOS Commands for the Catalyst 4500 Series Switches
show ip igmp snooping
This example shows how to display IGMP querier information for VLAN 5 when running IGMPv2:
Switch# show ip igmp snooping querier vlan 5
IP address :5.5.5.10
IGMP version :v2
Port :Fa3/1
Max response time :10s
Switch>
This example shows how to display IGMP querier information for VLAN 5 when running IGMPv3:
Switch# show ip igmp snooping querier vlan 5
IP address :5.5.5.10
IGMP version :v3
Port :Fa3/1
Max response time :10s
Query interval :60s
Robustness variable :2
Switch>
This example shows how to display snooping information for a specific group:
Switch# show ip igmp snooping group
Vlan Group Version Ports
---------------------------------------------------------
2 224.0.1.40 v3 Router
2 224.2.2.2 v3 Fa6/2
Switch>
This example shows how to display the group’s host types and ports in VLAN 1:
Switch# show ip igmp snooping group vlan 1
Vlan Group Host Type Ports
---------------------------------------------------------
1 229.2.3.4 v3 fa2/1 fa2/3
1 224.2.2.2 v3 Fa6/2
Switch>
This example shows how to display the group’s host types and ports in VLAN 1:
Switch# show ip igmp snooping group vlan 10 226.6.6.7
Vlan Group Version Ports
---------------------------------------------------------
10 226.6.6.7 v3 Fa7/13, Fa7/14
Switch>
This example shows how to display the current state of a group with respect to a source IP address:
Switch# show ip igmp snooping group vlan 10 226.6.6.7 sources
Source information for group 226.6.6.7:
Timers: Expired sources are deleted on next IGMP General Query
SourceIP Expires Uptime Inc Hosts Exc Hosts
-------------------------------------------------------
2.0.0.1 00:03:04 00:03:48 2 0
2.0.0.2 00:03:04 00:02:07 2 0
Switch>
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