Port-based multicast VLAN
As shown in Figure 24:
Host A, Host B, and Host C are in VLAN 2 through VLAN 4, respectively.
On Switch B, VLAN 10 is a multicast VLAN. All the user ports are hybrid ports and are assigned to VLAN 10.
IGMP snooping is enabled for the multicast VLAN and VLAN 2 through VLAN 4.
Figure 24: Port-based multicast VLAN
IGMP snooping manages the router ports and member ports in the multicast VLAN. When Switch A receives multicast data from the multicast source, it sends only one copy of the multicast data to the multicast VLAN on Switch B. Switch B sends a separate copy to each user port in the multicast VLAN.