Setup Guide

active sources in the area of the other RPs. If any of the RPs fail, IP routing converges and one of the RPs becomes the active RP in more
than one area. New sources register with the backup RP. Receivers join toward the new RP and connectivity is maintained.
Implementation Information
The Dell EMC Networking OS implementation of MSDP is in accordance with RFC 3618 and Anycast RP is in accordance with RFC 3446.
Congure Multicast Source Discovery Protocol
Conguring MSDP is a four-step process.
1 Enable an exterior gateway protocol (EGP) with at least two routing domains.
Refer to the following gures.
The MSDP Sample Congurations show the OSPF-BGP conguration used in this chapter for MSDP. Also, refer to Open Shortest
Path First (OSPFv2) and Border Gateway Protocol IPv4 (BGPv4).
2 Congure PIM-SM within each EGP routing domain.
Refer to the following gures.
The MSDP Sample Congurations show the PIM-SM conguration in this chapter for MSDP. Also, refer to PIM Sparse-Mode (PIM-
SM).
3 Enable MSDP.
4 Peer the RPs in each routing domain with each other. Refer to Enable MSDP.
Related Conguration Tasks
The following lists related MSDP conguration tasks.
Enable MSDP
Manage the Source-Active Cache
Accept Source-Active Messages that Fail the RFP Check
Specifying Source-Active Messages
Limiting the Source-Active Cache
Preventing MSDP from Caching a Local Source
Preventing MSDP from Caching a Remote Source
Preventing MSDP from Advertising a Local Source
Terminating a Peership
Clearing Peer Statistics
Debugging MSDP
MSDP with Anycast RP
MSDP Sample Congurations
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Multicast Source Discovery Protocol (MSDP)