Multicast Scalability Features
Techniques for large-scale deployment of multicast are still evolving. This section examines two major issues: RP discovery and operating networks in sparse-dense mode.
Bootstrap Routers and Candidate RPs
BSRs and RPs are a critical part of the scalability of PIM V2. This section discusses the process of BSR election and RP determination in more detail. This discussion is included for completeness; however, it is recommended that you use auto-RP instead of BSR. You will learn about auto-RP in the next section.
A large sparse mode network should have multiple candidate RPs, which should be placed in the backbone. Candidate RPs are configured via the ip pim rp-candidate global configuration command. An interface ...
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