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26 Network Management and Troubleshooting Tools
No matter how well designed and well constructed your network is, there are going to be times when it does not function properly. Part of the job of a network administrator is to monitor the day-to-day performance of the network and cope with any problems that arise. To do this, you must have the appropriate tools. In Chapter 2, you learned about the seven layers of the networking stack as defined in the Open Systems Interconnection (OSI) reference model. Breakdowns can occur at virtually any layer, and the tools used to diagnose problems at the various layers are quite different. Knowing what resources are available to you is a large part of the troubleshooting battle; knowing how to ...
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