TP-Link T2700G-28TQ T2700G-28TQ User Guide V1 - Page 251
Application Example for IGMP, In the PIM network
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11.2.7 Application Example for IGMP Network Requirements 1. Receivers of different organizations form the stub networks N1 and N2, and Host A and Host C are the multicast information receivers in N1 and N2 respectively. They receive the Video-On-Demand information through multicast. 2. In the PIM network, Switch A connects to N1; Switch B and Switch C connect to N2. 3. Switch A connects N1 through its interface VLAN 10, and connects the other devices in the PIM network through interface VLAN 11. 4. Switch B and Switch C connect to N2 through their interface VLAN 20 respectively. Switch B connects to the other devices in PIM through interface VLAN 21, and Switch C connects to the other devices in PIM through interface VLAN 22. 5. IGMPv3 is required between Switch A and N1. IGMPV2 is required among Switch B, Switch C and N2, with Switch B as the IGMP querier. Network Diagram Configuration Procedure 1) Configure the interface IP addresses and the unicast routing protocol Configure the IP address and subnet mask of each interface as the diagram above. The detailed configuration steps are omitted here. Configure the switches to access each other through OSPF protocol. Ensure the network-layer intercommunication among Switch A, Switch B and Switch C. The dynamic routing information is updated among the three switches via the unicast routing protocol. The detailed configuration steps are omitted here. 2) Enable the IP multicast routing, and enable the IGMP function on the interfaces of the user-side. 239