Dell C1048P Port Extender Networking Configuration Guide for the C9000 Series - Page 452

• 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(conf-if-te-1/0)#show ip igmp interface tengigabitethernet 1/0 TenGigabitEthernet 1/0 Inbound IGMP access group is not set Internet address is 1.1.1.1/24 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: 0 joins IGMP querying router is 1.1.1.1 (this system) IGMP version is 2 Selecting an IGMP Version The Dell Networking OS enables IGMP version 2 by default, which supports version 1 and 2 hosts, but is not compatible with version 3 on the same subnet. If hosts require IGMP version 3, you can switch to IGMP version 3. To switch to version 3, use the following command. • Switch to a different IGMP version. INTERFACE mode ip igmp version Example of the ip igmp version Command Dell(conf-if-te-1/13)#ip igmp version 3 Dell(conf-if-te-1/13)#do show ip igmp interface TenGigabitEthernet 1/13 is up, line protocol is down 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) 452 Internet Group Management Protocol (IGMP)