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

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Hour 17. Where Do You Start?

You are not obligated to finish the task; but neither are you free to neglect it.

——R. Tarfon, Pirkei Avot (Chapter 2, Mishna 21)

Networks are kind of like gardens: Without constant maintenance, and without proper planning, they quickly grow out of control. Coming into the middle of a network mess that your predecessor made (trust me, I feel your pain on this) can be quite daunting: You weren’t the person who made the mess, and it’s hard to know where to start to get your arms around it. If the network was built in an unnecessarily complex fashion, it can be difficult to see your way clear to solving even a simple problem!

But whether you’re trying to tame a snarled-up network or tending to one that has been well-built ...

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