19.4. Testing and Troubleshooting

You will never need this section, because the information we have given you in this chapter should teach you how to understand routing in the context of a Windows Server 2008 R2 server. Oh, maybe that's a bit of an exaggeration—some basic troubleshooting will allow you to determine which machine beyond your control is administered by someone without your knowledge and is causing the problem you are experiencing.

19.4.1. Using the Application Itself

You can use many tools to debug the state of a network. Which you use, and when, will depend on what the problem is that you are trying to fix. The first tool, as ever, is the one you actually plan to use. Let's say you're trying to make an FTP connection—first, read the errors that the FTP client is giving you.