The show command ... what to look for

I'm after my CCNA and the CCNP will be next but I figured out something. When your troubleshooting you mostly do show commands. Which bring this to question what do you look for in the many different show commands that should not be in the show command

For instance when using rip and doing a show command on a interface and you see a 16 that indicates the a route is unreachable.
and theirs another, it has something to do with the cable being to long and is indicated by a show command

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Comments

alxx

also look at the debugging commands

there have a couple of threads on this in the last month or two

AndreL

where would that be

SharkDiver

Start with "debug ip rip" for the issue you mentioned, but there are hundreds of debug commands.

Try "debug ?" and see what options you have.

alxx

maybe look in the links people posted in your previous thread ?
http://www.techexams.net/forums/ccna-ccent/71877-commands-enter-step-step.html

also

http://www.techexams.net/forums/ccna-ccent/70191-show-commands-icnd1.html

lot of good stuff in the faq

http://www.techexams.net/forums/ccna-ccent/6434-ccna-faq-please-read-before-posting.html

http://www.techexams.net/forums/ccna-ccent/41217-debug-ip-routing-route.html

Let me google that for you

Cisco IOS Debug Command Reference, Release 12.2 [Cisco IOS Software Releases 12.2 Mainline] - Cisco Systems
http://www.cisco.com/en/US/tech/tk801/tk379/technologies_tech_note09186a008017874c.shtml

http://www.cisco.com/en/US/products/sw/iosswrel/ps1831/products_tech_note09186a00800a6057.shtml

http://support.verio.com/documents/view_article.cfm?doc_id=467

http://www.techrepublic.com/blog/networking/troubleshoot-cisco-routers-and-switches-using-the-debug-commands/544

http://www.techrepublic.com/article/get-it-done-10-ways-to-mitigate-problems-using-cisco-ios-debug/1053788