Appendix E. Techniques for Troubleshooting Switches

This appendix provides multiple options for troubleshooting network problems that involve switches. Because there are many different types of switches and many different ways to configure them, the various choices available for troubleshooting switches are accompanied with pros and cons to help determine whether the troubleshooting approach is suitable for the current problem symptoms.

What Problems Are Encountered in Switched Environments?

The problems found in a switched environment are generally the same as those experienced in a shared media environment. What happened, who did it, and how much? The primary difference is that answers need to relate back to a specific port.

Some of the issues ...

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