Chapter 1. Introduction to Packet-Switching Architectures

This chapter covers the following topics:

What, exactly, does a router do? What's the difference between a switch and a router? If you were building a router, what would the parts of the router be? How would they fit together? These are the sorts of questions that router designers within Cisco face every day, both from the hardware and software points of view.

This chapter begins with a discussion of the terms routing and switching and provides you with the background needed to understand ...

Get Cisco Express Forwarding now with O’Reilly online learning.

O’Reilly members experience live online training, plus books, videos, and digital content from 200+ publishers.