Dell S4048T, Руководство по настройке

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are sent to the all IGMP version 3-capable multicast routers address 244.0.0.22, as shown in the second
illustration.
Figure 48. IGMP Version 3 Packet Structure
Figure 49. IGMP Version 3–Capable Multicast Routers Address Structure
Joining and Filtering Groups and Sources
The following illustration shows how multicast routers maintain the group and source information from
unsolicited reports.
1
The first unsolicited report from the host indicates that it wants to receive traffic for group 224.1.1.1.
2 The host’s second report indicates that it is only interested in traffic from group 224.1.1.1, source
10.11.1.1. Include messages prevents traffic from all other sources in the group from reaching the subnet.
Before recording this request, the querier sends a group-and-source query to verify that there are no
hosts interested in any other sources. The multicast router must satisfy all hosts if they have conflicting
requests. For example, if another host on the subnet is interested in traffic from 10.11.1.3, the router
Internet Group Management Protocol (IGMP) 428