[mrtg] Re: Burst traffic

[Paul C. Williamson]

Here's what I would do....

Add an entry called AbsMax and put 192000 (remember 
a "K" is not 1024, but 1000 in communications) for a value.
Make your MaxBytes value 128000 (or whatever your CIR actually is).

That way, you'll be able to catch the burst, and not discard any of the packets.

Paul

>>> "Alejandro Cabrera Obed" <sisdis at tournet.com.ar> 12/14/01 01:04PM >>>
Thanks Paul,

Sorry but I can show you the grapfic because it was last week and there's no
a graphic log. The CIR that my ISP guarantees to me is 128 Kbps.
My Max speed is 193 KBps, and the people from my ISP now says that this
behavior is caused for the ATM switches from the backbone, they are very
fast and sometimes they make traffic increase.....

Maybe you have another idea....

Regards,

Alejandro.

----- Original Message -----
From: "Paul C. Williamson" <pwilliamson at mandtbank.com>
To: <mrtg at list.ee.ethz.ch>; <sisdis at tournet.com.ar>
Sent: Friday, December 14, 2001 2:41 PM
Subject: [mrtg] Re: Burst traffic


>
> A few simple questions...
>
> What does the MaxBytes value say?  Is there a CIR?  Obviously, if the
> line speed in limited to 128k, it is impossible to go above that.  Burst
traffic
> would occur for something you just described - downloads and other file
> transfers, as well as any other time lots of information would flow
(running
> a game server or something like that).
>
> Could you post a url where we could see the graph?
>
> Paul
>
> >>> "Alejandro Cabrera Obed" <sisdis at tournet.com.ar> 12/14/01 12:33PM >>>
>
> Hi everybody,
>
> I have a MRTG software monitoring a 128 Kbps (16KBps) dedicated link to my
> ISP (LMDS technology).
> Sometimes when I downloaded a program from Internet, in the graphics that
> MRTG builds, it appears some peak rates of 26 KBps ( greater than the 16
> KBps of my link capacity).
> Technical support from my  ISP say that it is a "burst", but they didn't
say
> what's the cause of this behavior.
> I ask you: what is the cause of a burst traffic in a link and when it
occurs
> ????
>
> Thanks a lot and regards,
>
>
> Alejandro Cabrera Obed
> E-mail: sisdis at tournet.com.ar 
> ICQ#95838645
> Bs. As. - Argentina
>
>
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