122Task CommandRemove all the dynamic IGMPgroup entries of IGMP groups.reset igmp [ all-instance |vpn-instance vpn-instance-name ]group { all | interfaceinterface-type interface-number{ all | group-address [ mask { mask| mask-length } ] [ source-address[ mask { mask | mask-length } ] ] } }Available in user view.This command cannot removestatic IGMP group entries.Remove all the dynamic Layer 2port entries of IGMP groups.reset igmp group port-info { all |group-address } [ vlan vlan-id ] Available in user view.Clear IGMP SSM mappings.reset igmp [ all-instance |vpn-instance vpn-instance-name ]ssm-mapping group { all |interface interface-typeinterface-number { all |group-address [ mask { mask |mask-length } ] [ source-address[ mask { mask | mask-length } ] ] } }Available in user view.The display igmp host interface command can display information about the hosts tracked by IGMP onLayer 3 interfaces other than VLAN interfaces.The display igmp ssm-mapping host interface command can display information about the hosts thatjoin the group based on IGMP SSM mappings on Layer 3 interfaces other than VLAN interfaces.IGMP configuration examplesBasic IGMP functions configuration exampleNetwork requirementsReceivers receive VOD information through multicast. Receivers of different organizations form stubnetworks N1 and N2, and Host A and Host C are receivers in N1 and N2 respectively.IGMPv2 runs between Switch A and N1. IGMPv2 runs between the other two switches and N2. SwitchB acts as the IGMP querier in N2 because it has a lower IP address.The hosts in N1 can join only multicast group 224.1.1.1, and the hosts in N2 can join any multicastgroups.
