Chapter 4. Protocol Independent Multicast
Chapter 3, “IP Multicast at Layer 3,” addressed the different protocol independent multicast (PIM) modes and how those modes affected the growing or building of multicast trees. You saw the significant role that the rendezvous point (RP) played in establishing PIM sparse-mode and BiDir trees. In addition, you learned that source-specific multicast (SSM) does not require the use of an RP. This chapter covers the RP design mechanisms and configuration nuances using various Cisco platforms.
RP Overview
PIM-SM uses shared trees. With shared trees, multicast distribution is rooted at the RP. The process of building a shared tree requires that the network components register active sources as well as receivers ...
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