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Configuration Guide - IP Multicast

CloudEngine 12800 and 12800E V200R005C10

This document describes the configurations of IP multicast, including IP multicast basics, IGMP, MLD, PIM (IPv4), PIM (IPv6), MSDP, multicast VPN, multicast route management (IPv4), multicast route management (IPv6), IGMP snooping, MLD snooping, static multicast MAC address, multicast VLAN, multicast network management.

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Summary of IPv6 PIM Configuration Tasks

Summary of IPv6 PIM Configuration Tasks

After IPv6 PIM is configured, multicast data can be routed and forwarded on an IPv6 network. IPv6 PIM includes multiple modes that apply to different scenarios. Table 5-1 lists IPv6 PIM configuration tasks.

Table 5-1 IPv6 PIM configuration tasks



Configuring IPv6 PIM-SM

IPv6 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. IPv6 PIM-SM needs to maintain an RP, set up an RPT, and register a multicast source. The ASM model applies to the large network where members are widely distributed. In the SSM model, IPv6 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 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 IPv6 Bidir-PIM

Bidir-IPv6 PIM uses the ASM model to provide multicast services. Similar to the ASM model of IPv6 PIM-SM, Bidir-IPv6 PIM sets up an MDT by receivers actively joining the multicast group. Bidir-IPv6 PIM needs to maintain an RP and set up an RPT. On a Bidir-IPv6 PIM network, the switch 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 when multiple multicast sources exist. Bidir-IPv6 PIM applies to the network where multiple multicast sources exist, such as multi-party call or video conferences and online games.

Updated: 2020-01-09

Document ID: EDOC1100074724

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