[mrtg] Re: how to find out mrtg graph utilization report?

[Lam, Ken]

Peter,

I guess I am not quite understand your explaination here.

All I want to find out was how to read the graph and to calculate
interpret its utilization report.  Currently the daily/weekly graph 
chart only graph up to 48KBytes.  This frame relay that I am monitoring 
has 384KBytes port speed to one of our remote site and it doesn't make 
sense that its usage only go up to 48KBytes.  

It's bothering me when looking at the report and not knowing how much
utilization we use.  Maybe I miss out something here.  On the other 
hand, the Max Speed shows at the beginning of the graph has 192KBytes
in which I don't know where/how we get to it.

Anyone who can shed some lights on this would really appreciated.


Thanks,
Ken.

-----Original Message-----
From: Peter Glanville [mailto:peter_glanville at cuk.canon.co.uk]
Sent: Thursday, January 23, 2003 1:28 AM
To: mrtg at list.ee.ethz.ch
Subject: [mrtg] Re: how to find out mrtg graph utilization report?




Ken,
48kBytes=384kbits
If you prefer to see graphs in Bits, use that Option.

The percentages are based on the MaxBytes value, which appears to be set to
192kBytes (=1536kbit)

"not sure what I see above is accurate"
Why do you doubt what you are being told?

If you have multiple PVCs of one frame circuit, you can measure each one
individually.
Use Target[whatever]:
frCircuitReceivedOctets.A.B&frCircuitSentOctets.A.B:public at 1.2.3.4 where
A=if I remember correctly)the interface number, and B=the dlci number.
If not sure of the settings, browse your router with something like Getif.

Regards
Peter



 

                    "Lam, Ken"

                    <ken.lam at terayon.       To:     mrtg at list.ee.ethz.ch

                    com>                    cc:

                    Sent by:                Subject:     [mrtg] how to find
out mrtg graph utilization report?                                   
                    mrtg-bounce at list.

                    ee.ethz.ch

 

 

                    23/01/2003 02:30

 

 






Hi All,

I got my mrtg running on windows systems with the graphs but am not
sure how to calcucate the bandwidth utilization on this frame WAN link
384Kbps to our remote site.

System: HeadQuarter - HongKong in
Maintainer: Description: Serial0/0 ###CID###
ifType: frame-relay (32)
ifName: Se0/0
Max Speed: 193.0 kBytes/s

The daily graph report shows the following report:

Max    In: 47.6 kB/s (24.7%)        Average In: 4885.0 B/s (2.5%)
 Current
In: 1317.0 (0.7%)
Max Out: 46.3 kB/s (24.0%)          Average In: 6093.0 B/s (3.2%)
 Current Out:
835.0 B/s (0.4%)

The weekly graph report shows the following report:
Max    In: 46.6 kB/s (23.8%)        Average In: 3245.0 B/s (1.7%)
 Current
In: 1371.0 (0.7%)
Max Out: 44.5 kB/s (23.1%)          Average In: 3359.0 B/s (1.7%)
 Current Out:
3359.0 B/s (1.7%)

When looking at the graphs and the chart draw up to 48.0k on the "bytes per
second" and I know
this will scale up depend on how much the usage of the line.  As I can see
from looking at the
daily graph, the highest that it can go is 48kbps but it only stay for an
hour or so and the rest of
graph show at around 12kbps.

I am trying to find out was that what the actual ulitization bandwidth
usage
on the line and not sure
what I see above is accurate.  Do I have to apply some formula or special
calculation method to be
able to find out the correct utilization report usage?

The one thing I notice was that this WAN line that I'm monitoring is the
serial0/0 at the remote site
and the MAX Speed shows above does not match with actual line bandwidth
itself which in this case
is 384Kbps.

Any ideas or tips on this would greatly appreciated.

Ken.


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