[mrtg] Re: Question on In & Out Stats

Christopher E. Brown cbrown at denalics.net
Thu Oct 7 22:26:22 MEST 1999

On Thu, 7 Oct 1999, Isaac wrote:

> Hello,
> This is probably a lame question but I need to confirm this before I can ask
> for more
> bandwidth.  Any help would be great.
> MRTG 2.5.3 is reporting that our T1 to our upstream provider is using 94.7%
> IN
> (1457.1 kb/s)
> and 33.1% OUT (511.1 kb/s).
> My question is do I add these two numbers together to get the total?  Or is
> the OUT part of the IN stats?  Meaning, are we using 94.7% of a T1 or  94.7%
> IN *plus* 33.1% OUT and we are totally saturated?

	A DS1 is a bi-dir sync path.  You have 1.544Mbit *each* way.

	So, you are at 94.7% of max on the incoming, and 33.1% of max
on the outgoing.

	Given that these are 5 min average values I would say that
your DS1 is more than saturated.  BTW:  This type of usage is normal
for an ISP that primarily serves customers rather than content.

As folks might have suspected, not much survives except roaches, 
and they don't carry large enough packets fast enough...
        --About the Internet and nuclear war.

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