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O'Reilly Network: Linux in the Enterprise -- Linux Tools For Network Analysis

Mar 04, 2000, 03:57 (1 Talkback[s])
(Other stories by David HM Spector)

[ Thanks to S.Ramaswamy for this link. ]

"Networks are funny places where all sort of things happen in a matter of microseconds. Domain name service lookups are answered, and data blocks traverse the network as part of file-sharing protocols (such as SMB and NFS) while packets make their way from the Internet to your web browser. At any moment a network printer could go haywire and start broadcasting an endless stream of address resolution requests, or an NFS client could send mangled data to its server wreaking havoc on your work."

"If you've done any systems administration work, you have probably seen these problems and dozen of others. Debugging them requires experience, as well as the right tools to diagnose what has gone wrong and to help determine what to do about it."

"One of the most valuable tools in diagnosing a network problem, besides the manuals that come with all of your networking gear, is a network protocol analyzer."

Complete story.

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