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Configuration Guide - IP Multicast

S7700 and S9700 V200R013C00

This document describes the configurations of IP multicast, including IP multicast basics, IGMP, MLD, IPv4 PIM, IPv6 PIM, MSDP, multicast VPN, layer 3 multicast CAC, IPv4 multicast route management, IPv6 multicast route management, IGMP snooping, MLD snooping, static multicast MAC address, multicast VLAN replication, layer 2 multicast CAC, multicast network management.
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Configuring the Source RP Address of SA Messages

Configuring the Source RP Address of SA Messages


To use the Anycast RP feature, configure multiple RPs with the same IP address in a PIM-SM domain and set up MSDP peer relationships between these RPs. When an MSDP peer performs RPF checks on received SA messages, it discards the messages sent from a remote RP with the same IP address as itself. To solve this problem, specify a logical RP address for SA messages on the switch on which you want to configure Anycast RP.


  1. Run system-view

    The system view is displayed.

  2. Run msdp [ vpn-instance vpn-instance-name ]

    The MSDP view is displayed.

  3. Run originating-rp interface-type interface-number

    The address of the logical RP interface is configured as the source RP address of SA messages.

    The interface functioning as a logical RP cannot be an actual RP interface. It is recommended that you configure the address of the MSDP peer interface as the logical RP address.

Updated: 2019-04-08

Document ID: EDOC1100065742

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