Specifications

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Catalyst 4500 Series Switch Cisco IOS Command Reference—Release IOS XE 3.3.0XO(15.1(1)XO)
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Chapter 2 Cisco IOS Commands for the Catalyst 4500 Series Switches
show ip igmp snooping
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 VL AN 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 VL AN 1:
Switch# show ip igmp snooping group vlan 10 226.6.6.7
Vlan Group Version Ports
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10 226.6.6.7 v3 Fa7/13, Fa7/14
Switch>
This example shows how to display the current state of a group with respe ct 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>
This example shows how to display the current state of a group with respect to a host MAC address:
Switch# show ip igmp snooping group vlan 10 226.6.6.7 hosts
IGMPv3 host information for group 226.6.6.7
Timers: Expired hosts are deleted on next IGMP General Query
Host (MAC/IP) Filter mode Expires Uptime # Sources
-------------------------------------------------------------
175.1.0.29 INCLUDE stopped 00:00:51 2
175.2.0.30 INCLUDE stopped 00:04:14 2
Switch>
This example shows how to display summary information for a v3 group:
Switch# show ip igmp snooping group vlan 10 226.6.6.7 summary
Group Address (Vlan 10) : 226.6.6.7
Host type : v3
Member Ports : Fa7/13, Fa7/14
Filter mode : INCLUDE
Expires : stopped
Sources : 2
Reporters (Include/Exclude) : 2/0
Switch>
This example shows how to display multicast router information for VLAN 1:
Switch# show ip igmp snooping mrouter vlan 1
vlan ports
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