Users Guide

Inbound IGMP access group is not set
Interface IGMP group join rate limit is not set
Internet address is 1.1.1.1/24
IGMP is enabled on interface
IGMP query interval is 60 seconds
IGMP querier timeout is 125 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: 0 joins, 0 leaves, 0 channel joins, 0 channel leaves
IGMP querying router is 1.1.1.1 (this system)
IGMP version is 3
Dell(conf-if-te-1/13)#
Viewing IGMP Groups
To view both learned and statically configured IGMP groups, use the following command.
• View both learned and statically configured IGMP groups.
EXEC Privilege mode
show ip igmp groups
Example of the show ip igmp groups Command
Dell(conf-if-te-1/0)#do sho ip igmp groups
Total Number of Groups: 2
IGMP Connected Group Membership
Group Address Interface Uptime Expires Last Reporter
224.1.1.1 TenGigabitEthernet 1/0 00:00:03 Never CLI
224.1.2.1 TenGigabitEthernet 1/0 00:56:55 00:01:22 1.1.1.2
Adjusting Timers
The following sections describe viewing and adjusting timers.
To view the current value of all IGMP timers, use the following command.
• View the current value of all IGMP timers.
EXEC Privilege mode
show ip igmp interface
For more information, refer to the example shown in Viewing IGMP Enabled Interfaces.
Adjusting Query and Response Timers
The querier periodically sends a general query to discover which multicast groups are active. A group must
have at least one host to be active.
When a host receives a query, it does not respond immediately, but rather starts a delay timer. The delay time
is set to a random value between 0 and the maximum response time. The host sends a response when the
Internet Group Management Protocol (IGMP) 455