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Sams Teach Yourself Network Troubleshooting in 24 Hours, Second Edition by Jonathan Feldman

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Net Therapy 101: Techniques for Using Your Analyzer

Each analyzer is different; choosing your weapon appropriately is one of the first steps toward success with a protocol analyzer. If you have an old and crusty FDDI network, for example, do not use an Ethernet-specific analyzer that “happens” to work with FDDI as well: use an analyzer made for FDDI.

Your scenario always dictates which tool you need. There’s more than one tool out there because there’s more than one problem out there. Because you can’t buy all the tools available, it pays to know your network environment thoroughly before you invest so that you can buy the most appropriate tools for you.

Filtering: Cold-Filtered, Ice-Brewed Packets

As I mentioned earlier, knowing how and when ...

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