30-15
Cisco 7600 Series Router Cisco IOS Software Configuration Guide, Release 12.2SX
OL-4266-08
Chapter 30 Configuring IGMP Snooping for IPv4 Multicast Traffic
Configuring IGMP Snooping
Displaying IGMP Snooping Information for a VLAN Interface
To display IGMP snooping information for a VLAN interface, perform this task:
This example shows how to display IGMP snooping information on the VLAN 200 interface:
Router# show ip igmp interface vlan 43
Vlan43 is up, line protocol is up
Internet address is 43.0.0.1/24
IGMP is enabled on interface
Current IGMP host version is 2
Current IGMP router version is 2
IGMP query interval is 60 seconds
IGMP querier timeout is 120 seconds
IGMP max query response time is 10 seconds
Last member query count is 2
Last member query response interval is 1000 ms
Inbound IGMP access group is not set
IGMP activity:1 joins, 0 leaves
Multicast routing is enabled on interface
Multicast TTL threshold is 0
Multicast designated router (DR) is 43.0.0.1 (this system)
IGMP querying router is 43.0.0.1 (this system)
Multicast groups joined by this system (number of users):
224.0.1.40(1)
IGMP snooping is globally enabled
IGMP snooping is enabled on this interface
IGMP snooping fast-leave is disabled and querier is disabled
IGMP snooping explicit-tracking is enabled on this interface
IGMP snooping last member query interval on this interface is 1000 ms
Router#
Displaying IGMP Snooping Statistics
The show ip igmp snooping statistics interface vlan_ID command displays the following information:
• The list of ports that are members of a group
• The filter mode
• The reporter-address behind the port
• The last-join and last-leave information collected since the last time a clear ip igmp snooping
statistics command was entered
To display IGMP snooping statistics, perform this task:
Command Purpose
Router# show ip igmp interface
vlan_ID
Displays IGMP snooping information on a VLAN
interface.
Command Purpose
Router# show ip igmp snooping statistics
interface
vlan_ID
Displays IGMP snooping information on a VLAN
interface.
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