[c-nsp] how many samples in a 5 minute interface average?

[mack]

> Message: 2
> Date: Thu, 30 Aug 2007 11:06:41 -0700
> From: "Scott Granados" <gsgranados at comcast.net>
> Subject: [c-nsp] how many samples in a 5 minute interface average?
> To: <cisco-nsp at puck.nether.net>
> Message-ID: <02f101c7eb30$8527bcc0$0132a8c0 at ccntd1.covad.com>
> Content-Type: text/plain; format=flowed; charset="iso-8859-1";
>         reply-type=original
>
> Hi, when doing a show interface you of course get a 5 minute average
> (depending on what you have your interval set to).  How many samples
> are
> taken over that 5 minute period to generate that average?  It's
> obviously
> not a sample every 5 minutes because the effects of changes of traffic
> flow
> are visible over shorter periods (again in relation to the interval).
> Is
> there a ratio of samples per interval or samples per second?
>
> Thanks
> Scott
>

This is adjustable on some platforms.  On 6500 platforms the interval can vary with load.
The default for 12.2(18)SXD and SXE is 10 seconds.  For SXF the default is 5 seconds.

Example: service counters max age 5

http://www.cisco.com/en/US/products/hw/switches/ps708/products_command_reference_chapter09186a00801eafb0.html#wp1167352

LR Mack McBride
Network Administrator
Alpha Red, Inc.