Chapter 2. Network Access and Layer 2 Multicast
Chapter 1, “Introduction to IP Multicast,” examined the differences between unicast, broadcast, and multicast messages. This chapter takes an in-depth look at IP multicast messages at Layer 2 and how they are transported in a Layer 2 domain. This chapter covers the basic elements of multicast functionality in Layer 2 domains as well as design considerations for multicast deployments.
Layered Encapsulation
Before reviewing multicast in Layer 2, we must discuss fundamental packet-forwarding concepts to establish a baseline of the process. Encapsulation is an important component of the OSI model for data communication and is absolutely essential in IP networks. Encapsulation is the method by which ...
Get IP Multicast, Volume 1: Cisco IP Multicast Networking now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.
