Chapter 22. Basic Troubleshooting


This chapter provides information and commands concerning the following topics:

  • Viewing the routing table

  • Determining the gateway of last resort

  • Determining the last routing update

  • Testing OSI Layer 3 and Layer 7

  • Interpreting the show interface command

  • Clearing interface counters

  • Using CDP to troubleshoot

  • The traceroute command

  • The show controllers command

  • debug commands

  • Using timestamps

  • Enabling the HTTP server

  • Using the netstat command




CCNA Self-Study(c) CCNA Portable Command Guide
CCNA Portable Command Guide
ISBN: 1587201585
EAN: 2147483647
Year: 2006
Pages: 261
Authors: Scott Empson

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