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Cisco Network Security Troubleshooting Handbook by Mynul Hoda, - CCIE No. 9159

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Chapter 2. Understanding Troubleshooting Tools

As discussed in Chapter 1, fact finding is the most important aspect of the troubleshooting life cycle. In today’s complex networks, without proper tools and commands, it is extremely difficult to verify essential details. Other chapters in this text present the tools and commands specific to a product, but this chapter presents a general overview of all those tools.

Using Device Diagnostic Commands

Cisco Security Network devices have numerous integrated commands to assist you in monitoring and troubleshooting your network. The following sections describe the basic use of these commands:

show Commands

The show commands are powerful monitoring and troubleshooting tools. You can ...

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