Network troubleshooting entails recognizing and diagnosing network problems with the objective of keeping your network running at peak performance. It requires a technique that begins with the cabling and works through the OSI (Open System Interconnection) reference model to the application layer. Network devices have cables that terminate at wired switches and cabling is a major source of network issues, so they're a perfect place to focus on at the start.
When troubleshooting, the trick is to figure out what's changed just before the problem began. Often it's simply hardware that isn't functioning or some modification was made like a new software installation, a change in equipment configuration or the addition of new employees that's putting added stress on the network.
The problem could be a single issue or several problems that have arisen simultaneously. Begin at the client adapter, ascertain specific symptoms and proceed with troubleshooting from there.
Questions:
Below is a sequence of questions that should be used as guidelines during your troubleshooting procedures:
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