Your multicast receivers are indirectly connected to an MX Series router. The receivers need to
join multicast group 18.104.22.168. What must be configured in IGMP to receive report messages from
receivers that are multiple hops away?
By default, IGMP accepts report messages from indirectly connected receivers.
Promiscuous mode must be enabled in IGMP.
Promiscuous mode must be disabled in IGMP.
DVMRP protocol must be configured.