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Learn Cisco Network Administration in a Month of Lunches by Ben Piper

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Chapter 17. Tracking down devices

In this chapter, you’ll learn how to use the command line to track down devices throughout your network. To be clear, I’m not just talking about figuring out the general geographic location of a device. I’m talking about tracking down a device to the specific switch or router and port it’s connected to. Although this isn’t something you’ll have to do very often, when the need arises, knowing how to track down that elusive printer or virus-laden PC can make you a hero.

17.1. Device-tracking scenarios

I won’t discuss every possible scenario in which you’ll find it necessary to track down a specific device. But drawing from my own experience, two basic scenarios come to mind.

Many organizations use a network-monitoring ...

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