Until this section gets filled in, here are some online resources:
Charles L. Hedrick's <a href="http://www.phy.duke.edu/~rgb/Beowulf/local.guide"> Introduction to the Administration of a Local Area Network</a>
Charles L. Hedrick's <a href="http://www.phy.duke.edu/~rgb/Beowulf/IP.intro"> Introduction to the Internet Protocols</a>
W. Richard Stevens' <a href="http://www.kohala.com/start/">Personal Website</a>.The late Dr. Stevens was the man where TCP/IP networking is concerned. His books are legendary. They are listed and linked to this website, although there are also various online resources and recipes here, primarily for the programmer.