Chapter 3: The Maintenance and Troubleshooting Toolbox

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Excerpt from CCNP TSHOOT 642-832.

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This chapter covers the following subjects:

Cisco IOS Diagnostic Tools: This section shows how a few readily accessible Cisco IOS Software commands can be used to quickly gather information as part of a structured troubleshooting process.

Specialized Diagnostic Tools: This section introduces a collection of specialized features, such as Switched Port ­Analyzer (SPAN), Remote SPAN (RSPAN), Simple Mail ­Transfer Protocol (SMTP), NetFlow, and Embedded Event Manager (EEM), which can be used to collect information about a problem.

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