[mrtg] Re: Bandwidth Utilization for ADSL interface

[Brander, Eric]

Here is your answer, I think

If you must have both measurements in the same graph, you can, use MaxBytes1
(for incoming) and MaxBytes2 (for outgoing), and forego the regular MaxBytes
parameter.  Then your usage percentages will be accurate, but your graph
will, of course, scale to the larger of the two.

If the scaling bothers you, and you can not see the outgoing graph
accurately enough because its so overshadowed by the incoming one, you can
do this:

Target[adsl_in]: 1:public at 1.2.3.4
Options[adsl_in]: growright, bits, noo
Maxbytes[adsl_in]: (whatever number in BYTES is the maximum download speed)
Pagetop[adsl_in]: Incomming bandwidth usage for ADSL

Target[adsl_out]: 1:public at 1.2.3.4
Options[adsl_out]: growright, bits, noi
Maxbytes[adsl_out]: (whatever number in BYTES is the maximum upload speed)
Pagetop[adsl_out]: Outgoing bandwidth usage for ADSL

There's other things missing but I think you get the idea.  Both targets are
going to the exact same interface, but with the options NOO and NOI, you are
not graphing either the output octets or the input octets respectively.  But
now you have 2 totally different graphs for daily, weekly, monthly and
yearly, and only one line per graph.

Hope this helps!

Eric Brander
ACS
Texas CHIP Account
Sr. Communications Engineer - Information Systems Department
512.336.3331
Eric dot Brander at acs-inc dot com

 -----Original Message-----
From: 	Georg Pauwen [mailto:pauwen at hotmail.com] 
Sent:	Thursday, March 27, 2003 8:57 AM
To:	mrtg at list.ee.ethz.ch
Subject:	[mrtg] Bandwidth Utilization for ADSL interface

Hello colleagues,

I want to measure the bandwidth utilization for an ADSL interface. Since 
ADSL by nature has different up/down speeds, I wonder how to measure in and 
out traffic using different speeds for each. Does anybody know what the 
config file for this would look like ?
Thanks in advance for your help.

Regards,

Georg





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