Chapter 13. Protocol Independent Multicast

This chapter explains both intra- and interdomain multicast routing. Before reading this chapter, review previous chapters on unicast routing—in particular, read Chapter 11, “Border Gateway Protocol.” This chapter covers four major areas:

Multicast routing protocols This section provides a brief historical overview and offers a contrast of multicast routing protocols.

Fundamentals of operation This section provides an overview of the major protocols used in Cisco multicast routing. Specifically, you will learn about the operation of multicast within an autonomous system by exploring the Internet Group Management Protocol (IGMP) and Protocol Independent Multicast (PIM) dense and sparse modes. You will ...

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