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

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Problem Localization

It is not always obvious where the cause of a problem lies in a complex system that might have many participants, and that’s where problem localization comes in; that is, discovering the general area or specific group of systems causing the problem. This often simplifies the problem by cutting away extraneous systems or details.

This is pretty great because one thing that can make network troubleshooting difficult is the level of complexity on even the most modest of networks. That is, all network devices—possibly thousands—have the potential to interoperate. Being able to quickly localize a problem becomes extremely important because nobody wants to consider thousands of devices as a potential source of trouble; it is far ...

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