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!
 |
| Identify and correct common network problems |
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 customer host and they’re complaining that
their host cannot communicate to a server, which just happens to be on a remote network.
Here are the four troubleshooting steps that Cisco recommends:
