Configure IGMP
Configuring IGMP is a two-step process.
1 Enable multicast routing using the ip multicast-routing command.
2 Enable a multicast routing protocol.
Related Configuration Tasks
• Viewing IGMP Enabled Interfaces
• Selecting an IGMP Version
• Viewing IGMP Groups
• Adjusting Timers
• Preventing a Host from Joining a Group
• Enabling IGMP Immediate-Leave
• IGMP Snooping
• Fast Convergence after MSTP Topology Changes
• Designating a Multicast Router Interface
Viewing IGMP Enabled Interfaces
Interfaces that are enabled with PIM-SM are automatically enabled with IGMP.
To view IGMP-enabled interfaces, use the following command.
• View IGMP-enabled interfaces.
EXEC Privilege mode
show ip igmp interface
Example of the show ip igmp interface Command
Dell#show ip igmp interface TenGigabitEthernet 3/10
Inbound IGMP access group is not set
Internet address is 165.87.34.5/24
IGMP is up on the interface
IGMP query interval is 60 seconds
IGMP querier timeout is 0 seconds
IGMP max query response time is 10 seconds
IGMP last member query response interval is 1000 ms
IGMP immediate-leave is disabled
IGMP activity: 2 joins
IGMP querying router is 165.87.34.5 (this system)
IGMP version is 2
Dell#
Internet Group Management Protocol (IGMP) 431
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