How to determine whether my network is stable?

Unanswered Question
Feb 1st, 2007

I have 2 sites connected via FO link. Some servers locates in one site, the others in 2nd site.

Sometimes i have network corruption (like mail client can't reach mail server during synchronization, and after 2-3 seconds it can).Lost ping echo-replies packets 20% from some servers. How can i monitor, tests, diagnose the network links ? At first i am interested how can it be checked on Cisco equipment without additional softs(sniffers), tools? What is the general practice in the worldwide?



I have this problem too.
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rdessert Thu, 02/01/2007 - 10:26

Check the interface status on your Cisco routers using the "show interface" command.

Look for input errors, output errors, CRC errors, collisions, interface resets, etc.

If any of these are incrementing, there is a problem.

You can check cpu utilization also by using the "show proc cpu" command. If it is over 80% it's getting really high.

Leo_Stobbe Thu, 02/01/2007 - 23:00

Hi rdessert

Thanks for reply.

I have known these commands. Are these commands all what can be implemented on Cisco equipment




kyawzawhtut Thu, 02/01/2007 - 19:08

Another way is get the FO guy and ask him to test the link with his testing tool.

They can tell you whether the link condition is ok or not. :)



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