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Cisco Express Forwarding by Stacia McKee, Russ White - CCIE No. 2635, Nakia Stringfield - CCIE No. 13451

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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 ...

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