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Date:      Thu, 16 Sep 1999 16:40:01 -0700
From:      "Kelsey Cummings" <kc@neteze.com>
To:        "Graeme Tait" <graeme@echidna.com>, "Ryan Thompson" <freebsd@sasknow.com>
Cc:        <freebsd-questions@freebsd.org>
Subject:   Re: Daily/weekly/monthly network through-traffic monitoring by the GB?
Message-ID:  <115401bf009c$cb653910$33f9c9d0@neteze.com>
References:  <Pine.BSF.4.10.9909141521530.26833-100000@sasknow.com> <37E1A75E.1513@echidna.com>

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MRTG has the ability to get data from an external function (like netstat) so
you can use it without snmp.  I think it would work well in this situation.

-----------------------------------------------------------------
Kelsey Cummings
System Administrator
NetEase, Inc.
kc@neteze.com
-----------------------------------------------------------------

----- Original Message -----
From: Graeme Tait <graeme@echidna.com>
To: Ryan Thompson <freebsd@sasknow.com>
Cc: <freebsd-questions@freebsd.org>
Sent: Thursday, September 16, 1999 7:28 PM
Subject: Re: Daily/weekly/monthly network through-traffic monitoring by the
GB?


> Ryan Thompson wrote:
> >
> > Hi everybody;
> >
> > Does anyone know of a really good (and lightweight) network throughput
> > monitor?  I am interested in knowing (in quantifiable units such as
> > gigabytes) how much traffic is both coming IN to a specified interface
and
> > how much is going OUT over an interval of time, so that I can track
> > network usage.
>
>
> Well, I'm sure there's a better way, but I just use something like
>
> netstat -I fxp0 -w 300 > file_199909161855_start &
>
> varying the interval as desired - which is fine if you are satisfied with
> data on the aggregate in and out traffic for a particular interface.
>
> I name the file according to the start time, so it's easy to figure the
actual
> time of any given entry. (The timing does tend to slip a few seconds a day
on
> my server with -w 300, more with shorter intervals.) Resource usage seems
> minimal, even running with a 1 second logging interval.
>
> With a little manipulation with Unix utilities, or with a spreadsheet, I
can
> generate some pretty useful statistics and graphs.
>
>
>
> --
> Graeme Tait - Echidna
>
>
>
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