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CX11x, CX31x, CX710 (Earlier Than V6.03), and CX91x Series Switch Modules V100R001C10 Configuration Guide 12

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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Configuration Task Summary

Configuration Task Summary

After PIM is configured, multicast data can be routed and forwarded on an IPv4 network. PIM includes multiple modes that apply to different scenarios.

Table 8-31 lists IPv4 PIM configuration tasks.

Table 8-31 IPv4 PIM configuration tasks
Scenario Description Task
Configuring PIM-SM

PIM-SM uses the ASM and SSM models to provide multicast services. In the ASM model, a multicast distribution tree (MDT) is set up by receivers actively joining the multicast group. PIM-SM needs to maintain an RP, set up an RPT, and register with a multicast source. The ASM model applies to the large network where members are widely distributed. In the SSM model, PIM-SM sets up an SPT between a multicast source and members and does not need to maintain an RP, set up an RPT, or register with the multicast source. The SSM model applies to the network where users know the multicast source location and directly order multicast data from a specified multicast source.

Configuring PIM-SM (IPv4)

Configuring Bidir-PIM

Bidir-PIM uses the ASM model to provide multicast services. Similar to the ASM model of PIM-SM, Bidir-PIM sets up an MDT by receivers actively joining the multicast group. Bidir-PIM needs to maintain an RP and set up an RPT. On an Bidir-PIM network, the switch modules connected to a user network segment does not switch from the RPT to SPT when receiving multicast data. The RPT is bidirectional, saving forwarding resources on the switch modules when multiple multicast sources exist. Bidir-PIM applies to the network where multiple multicast sources exist, such as multi-party call or video conferences and online games.

Configuring Bidir-PIM (IPv4)

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Updated: 2019-08-09

Document ID: EDOC1000041694

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