D-Link DWS-3250 Product Manual - Page 213
Configuring Multicast TV, Defining IGMP Snooping for Multicast TV
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DXS/DWS 3200 Series User Guide 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. Page 212