This requirement is to support IGMPv3 snooping in OVS for OpenDaylight. This feature allows multicast traffic to be filtered from switch ports that have not subscribed to a multicast group. The scope of this requirement is limited to IPv4 and will not address IPv6 MLD snooping.
*** Bug 1568133 has been marked as a duplicate of this bug. ***
As per depreciation notice [1], closing this bug. Please reopen if relevant for RHOSP13, as this is the only version shipping ODL. [1] https://access.redhat.com/documentation/en-us/red_hat_openstack_platform/14/html-single/release_notes/index#deprecated_functionality