FreeBSD6 Unleashed

Network Components

Any network is made up of the same types of component parts. These range in complexity from simple cables through complex computer-like devices such as routers. Each type of component exists at a different level of the OSI model; the brief view you have had of the TCP/IP stack and its layers will help to explain the conceptual difference between hubs, switches, bridges, and routers.

As with most computing equipment, the components you choose will vary in quality and in price. It’s best to buy from vendors whose names you trust—Linksys, Cisco, Intel, 3Com, and Netgear all make excellent infrastructural equipment, but they are by no means the only vendors you should consider. Bear in mind the features you need in your network. ...