Chapter 3. Troubleshooting LAN Switching
This chapter covers the following subjects:
Generalized Troubleshooting Methodologies: This section presents discussions and opinions about how to approach a networking problem when a general examination of the problem does not quickly identify the root cause.
Troubleshooting the LAN Switching Data Plane: This section suggests several organized steps for troubleshooting Ethernet LAN problems, with a detailed review of commands and methods.
Predicting Normal Operation of the LAN Switching Data Plane: This section suggests how to analyze switch show command output and figures to predict where a frame should be forwarded in an example switched LAN.
This chapter, along with Chapter 7, “Troubleshooting IP Routing,” ...
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