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DXS/DWS 3200 Series User Guide
Page 212
Configuring Multicast TV
Multicast TV allows subscribers to join the same Multicast stream, even if the subscribers are not members of the
same VLAN, eliminating television traffic duplication. Ports which receive Multicast Transmissions, or Receiver
Ports, can be defined in any VLAN, and not just in the Multicast VLAN. Receiver ports can only receive Multicast
transmissions, they cannot initiate a Multicast TV transmission. Multicast TV source ports must be a Multicast
VLAN members. This section contains the following topics:
• Defining IGMP Snooping for Multicast TV
• Viewing Multicast TV Members
Defining IGMP Snooping for Multicast TV
IGMP messages are used to indicate which ports are requesting to join or leave the Multicast group.The Multicast
TV IGMP Snooping Page page allows network administrators to define IGMP Snooping for Multicast TV groups.
To define IGMP Snooping for Multicast TV:
1. Click Advanced Setup > Multicast Support > TV Multicast > IGMP Snooping The Multicast Forward All
Page opens:
Figure 136:Multicast TV IGMP Snooping Page
The Multicast TV IGMP Snooping Page contains the following fields:
• VLAN — Defines the VLAN attached to the for which the IGMP Snooping mapping is defined.
• Multicast Group — Defines the Multicast group IP addressed mapped to the VLAN.
• Remove — Removes Multicast TV IGMP mappings. The possible field values are:
– Checked — Removes the specific IGMP mapping from the selected VLAN.
– Unchecked — Maintains the IGMP mapping.