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CX11x, CX31x, CX710 (Earlier Than V6.03), and CX91x Series Switch Modules V100R001C10 Configuration Guide 13

The documents describe the configuration of various services supported by the CX11x&CX31x&CX91x series switch modules The description covers configuration examples and function configurations.
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This section describes the applicable scenario of IGMP.

Typical IGMP Applications

IGMP runs between member hosts and directly connected multicast routers to manage and maintain multicast group membership. To forward multicast data from multicast sources to receivers, multicast routers must run Protocol Independent Multicast (PIM) to set up forwarding paths. Figure 8-25 illustrates a typical IGMP network topology.

Figure 8-25 Typical IGMP network topology

The following solutions can be used in IGMP applications.


Member Hosts

Interfaces Connected to Member Hosts

All Routers on the Network

Hosts dynamically join multicast groups through ASM.

Enable IGMPv1 or IGMPv2.

Enable IGMPv1 or IGMPv2.

Enable Bidir-PIM or PIM-SM.

Hosts dynamically join multicast groups through SSM.

Enable IGMPv3.

Enable IGMPv3.

Enable PIM-SM.

Hosts dynamically join multicast groups through SSM mapping.

Enable IGMPv1 or IGMPv2.

Enable IGMPv3, enable IGMP SSM mapping, and configure source-group mapping.

Enable PIM-SM.

Updated: 2019-12-13

Document ID: EDOC1000041694

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