[mrtg] Re: Total Utilization of Serial Lines

[Alex van den Bogaerdt]

Ron Lyman wrote:
> 
> > My
> > understanding is that the Max In/Max Out numbers are independent of each
> > other for serial lines, in that you cannot just add the numbers up and
> > that's the total.  Is there another way?
> >
> 
> Maybe this will work for you.  I use this as a target perl script to
> generate an In + Out graph on our ISDN WAN link.

Right,

The downside of this action:

Consider an ISDN connection of 128kbps (full duplex, so 128kbps in and
128kbps out simultaniously).  You are summing in and out.  Therefore you
will need to set maxbytes to (128kbps+128kbps==256kbps==) 32000.

Now download something very big, without doing anything else on the line.
You will get a transfer speed of 16000 bytes per second.  Provided that
the download will last long enough, this will show up on the MRTG page
at exactly half of the possible throughput...  Not what I would call
reality.

regards,
-- 
   __________________________________________________________________
 / alex at slot.hollandcasino.nl                  alex at ergens.op.het.net \
| work                                                         private |
| My employer is capable of speaking therefore I speak only for myself |
+----------------------------------------------------------------------+

--
Unsubscribe mailto:mrtg-request at list.ee.ethz.ch?subject=unsubscribe
Help        mailto:mrtg-request at list.ee.ethz.ch?subject=help
Archive     http://www.ee.ethz.ch/~slist/mrtg