Using Connectivity Utilities to Troubleshoot Problems

By trying various applications that operate at different levels of the protocol stack, you can often pinpoint which component in the stack is causing a problem.

As I mentioned when discussing the ping utility, there is a definite order you should follow when troubleshooting network problems. In troubleshooting, you typically start with simple basic commands. If these commands work as expected, you then continue to build on what you know by using commands that require progressively more network functionality. To troubleshoot a network problem, follow these steps:

1.
Start with ifconfig, ipconfig, or a similar tool to ensure you know the current IP address, subnet mask, and default gateway ...

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