Cisco Catalyst 4500 Series - Page 809

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Catalyst 4500 Series Switch Cisco IOS Command Reference—Release IOS XE 3.4.0SG and IOS 15.1(2)SG)
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Chapter 2 Cisco IOS Commands for the Catalyst 4500 Series Switches
show ip igmp snooping
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
-----+----------------------------------------
1 Gi1/1,Gi2/1,Fa3/48,Router
Switch#
This example shows how to display the total number of group addresses learned by the system globally:
Switch# show ip igmp snooping group count
Total number of groups: 54
Switch>
This example shows how to display the total number of group addresses learned on VLAN 5:
Switch# show ip igmp snooping group vlan 5 count
Total number of groups: 30
Switch>
Related Commands Command Description
ip igmp snooping Enable IGMP snooping.
ip igmp snooping vlan immediate-leave Enable IGMP immediate-leave processing.
ip igmp snooping vlan mrouter Configures a Layer 2 interface as a multicast router
interface for a VLAN.
ip igmp snooping vlan static Configures a Layer 2 interface as a member of a group.
show ip igmp interface Displays the information about the IGMP-interface status
and configuration.
show ip igmp snooping mrouter Displays information on the dynamically learned and
manually configured multicast switch interfaces.
show mac-address-table multicast Displays information about the multicast MAC address
table.