Introduction to PIM

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The predominant multicast routing protocol in use on the Internet today is Protocol Independent Multicast, or PIM. The type of PIM used on the Internet is PIM sparse mode. PIM sparse mode is so accepted that when the simple term “PIM” is used in an Internet context, some form of sparse mode operation is assumed.

This chapter provides an overview of the features and capabilities of PIM:

PIM Background
Basic PIM Network Components
PIM Modes of Operation
PIM Dense Mode
PIM Sparse Mode
PIM SSM
Mixing Modes

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