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Date:      Sat, 16 Mar 2002 08:45:35 +0100
From:      Mark Rowlands <mark.rowlands@minmail.net>
To:        "Peter Brezny" <pbrezny@purplecat.net>, <freebsd-questions@FreeBSD.ORG>
Subject:   Re: real time throughput monitoring per interface
Message-ID:  <20020316074537.6F30537B400@hub.freebsd.org>
In-Reply-To: <NEBBIGLHNDFEJMMIEGOOCEFNEOAA.pbrezny@purplecat.net>
References:  <NEBBIGLHNDFEJMMIEGOOCEFNEOAA.pbrezny@purplecat.net>

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On Thursday 14 March 2002 9:27 pm, Peter Brezny wrote:
> Hi,
>
> I'm looking for a way to view the current throughput of various interfaces
> in a freebsd router.
>
> are there some flags to tcpdump that will give you the current kb/s flowing
> through an interface?
>
> does ntop do this?

kind of but I have found ntop to bit a bit flakey under FreeBSD particularly 
when monitoring multiple interfaces. 

> are there other better command line tools?

snmpget  ( ok I was kidding)

gkrellm ,  while not a commandline tool (requires X) is quite pretty  and 
very quick to set up and gives you a quick overview of the box. 

multiple instances of intop (the command line version of ntop)?

> I haven't gotten around to configuring mrtg to watch the interfaces yet and
> just need something quick, easy and real time.



mrtg takes, ooohh,  around 5 minutes to set up. I just did it yesterday for 
around 25 routers and servers.

cfgmaker     ipaddress > config_file
indexmaker config_file  >  /web/server/index.html
mrtg config_file



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