To configure IGMP snooping proxy to support IGMPv3, perform the following configuration
in V100R003:
1. In the system view:
igmp-snooping enable

igmp-snooping proxy enable

2. In the VLAN view:
igmp-snooping enable

igmp-snooping version 3

Perform the following configuration in V100R006 and later versions:
1. In the system view:

igmp-snooping enable

2. In the VLAN view:
igmp-snooping enable
igmp-snooping version 3
igmp-snooping proxy enable