1.10. Identify and correct common network problems at layers 1, 2, 3, and 7 using a layered model approach
Troubleshooting IP addressing is obviously an important skill because running into trouble somewhere along the way is pretty much a sure thing, and it's going to happen to you. No—I'm not a pessimist; I'm just keeping it real. Because of this nasty fact, it will be great when you can save the day because you can both figure out (diagnose) the problem and fix it on an IP network whether you're at work or at home!
So this is where I'm going to show you the "Cisco way" of troubleshooting IP addressing. Let's go over the troubleshooting steps that Cisco uses first. These are pretty simple, but important nonetheless. Pretend that you're at a ...
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