Chapter 6. Network Switches
In this chapter, we look at a technology that has become increasingly important to the implementation and development of enterprise networks: network switches, specifically, LAN switches (also known as multiport bridges), and ATM switches. We first take a brief look at the requirements for and operational fundamentals of network switches. Then, we examine Layer 2 bridging, which supports LAN technology and, to some extent, the functionality of ATM switches. After we have an understanding of how Layer 2 bridging works, we then compare Layer 2 bridging and Layer 3 routing from an implementation and appropriate use perspective. Next, we examine Layer 2 network switches, and look at their basic architecture, operation, ...
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