You can enable IGMP snooping to use the multicast function on the router.
IGMP Snooping listens to the IGMP protocol package, extracts the corresponding information, establishes and maintains the layer 2 multicast forwarding publication, and then forwards the multicast group data to the host that joins the multicast group, while other hosts cannot receive the multicast group data.
Note: IGMPv3 is compatible with v1 and v2. Use v3 by default, and switch if you experience a problem.
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