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ES-3100 Series Switch Support Notes
All contents copyright (c) 2006 ZyXEL Communications Corporation.
61
Overview of MVR
MVR refers to Multicast VLAN Registration that enables a media server to
transmit multicast stream in a single multicast VLAN while clients receiving
multicast VLAN stream can reside in different VLANs. Clients in different
VLANs intend to join or leave the multicast group simply by sending the IGMP
Join/leave message to a receiver port. The receiver port belongs to one of the
multicast group can receive multicast stream from media server. In the Figure
1, without support of MVR, the Multicast stream from media server and
subscriber must reside in the same VLAN. For each VLAN, A media server is
required to transmit multicast stream once and totally, media server transmits 6
times. In the Figure 2, on the contrary, with MVR, a media server is required to
transmit multicast traffic once to clients in different VLANs.
Figure 1