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Part I: Networking Basics > Chapter 2: TCP/IP Protocols and Devices

CHAPTER 2 TCP/IP Protocols and Devices

What You Will Learn

In this chapter, you will learn more about the TCP/IP protocol stack and the tools used in this book to investigate the Illustrated Network. We’ll look at more details of TCP/IP and explore how TCP/IP devices provide internetworking from LAN to LAN.

You will learn about the types of devices used to connect LANs (such as bridges and routers) and conclude with the concept of VLANs and Metro Ethernet services.

The LANs on the Illustrated Network, including the LAN in the home office, are connected using routers as the network nodes. Each LAN forms a discrete network by itself, with its own clients and servers. When previously separate LANs are connected, or a previously complete LAN is segmented, the result is often called an internetwork.


  

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