TP-Link T2500-28TCTL-SL5428E T2500-28TCUN V1 User Guide - Page 163
Application Example for Multicast VLAN, Router Ports, Replace Source IP
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Router Ports: Replace Source IP: Enter the static router port which is mainly used in the network with stable topology. Specify the source IP which will replace the source of IGMP Request in multicast vlan. Note: 1. The router port should be in the multicast VLAN, otherwise the member ports cannot receive multicast streams. 2. The Multicast VLAN won't take effect unless you first complete the configuration for the corresponding VLAN owning the port on the 802.1Q VLAN page. 3. It is recommended to choose GENERAL as the link type of the member ports in the multicast VLAN. 4. Configure the link type of the router port in the multicast VLAN as TRUNK or configure the egress rule as TAG and the link type as GENERAL otherwise all the member ports in the multicast VLAN cannot receive multicast streams. 5. After a multicast VLAN is created, all the IGMP packets will be processed only within the multicast VLAN. Configuration procedure: Step Operation Description 1 Enable IGMP Snooping Required. Enable IGMP Snooping globally on the switch function and for the port on Multicast→IGMP Snooping→Snooping Config and Port Config page. 2 Create a multicast VLAN Required. Create a multicast VLAN and add all the member ports and router ports to the VLAN on the VLAN→802.1Q VLAN page. Configure the link type of the member ports as GENERAL. Configure the link type of the router ports as TRUNK or configure the egress rule as tagged GENERAL. 3 Configure parameters for Optional. Enable and configure a multicast VLAN on the multicast VLAN Multicast→IGMP Snooping→Multicast VLAN page. It is recommended to keep the default time parameters. 4 Look over the configuration If it is successfully configured, the VLAN ID of the multicast VLAN will be displayed in the IGMP Snooping Status table on the Multicast→IGMP Snooping→Snooping Config page. Application Example for Multicast VLAN: Network Requirements Multicast source sends multicast streams via the router, and the streams are transmitted to user A and user B through the switch. Router: Its WAN port is connected to the multicast source; its LAN port is connected to the switch. The multicast packets are transmitted in VLAN3. 153