Date: Mon, 22 Jan 2001 20:45:08 +0100 (CET) From: Paul Herman <pherman@frenchfries.net> To: Roman Le Houelleur <roman@IPricot.com> Cc: freebsd-ipfw <freebsd-ipfw@FreeBSD.ORG>, freebsd-net <freebsd-net@FreeBSD.ORG> Subject: Re: bandwidth analyser Message-ID: <Pine.BSF.4.31.0101222041000.6137-100000@husten.security.at12.de> In-Reply-To: <3A6C7FD0.7E2ABD65@IPricot.com>
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Hello Roman, On Mon, 22 Jan 2001, Roman Le Houelleur wrote: > I use FreeBSD 4.2 stable + bridge + dummynet + ipfw. I would like > to calculate the bandwidth of each authorized IP source flowing > through the bridge from a user program. > > As this bandwidth calculation should be done very often (10 to 20 > times per second) I first tried to use the if_data structure from > sysctl. I think /usr/ports/net/argus does some analysis (however I don't think in real time.) Otherwise (shameless plug) try tcpstat: http://www.frenchfries.net/paul/tcpstat/index.html It's like a vmstat for networks (pcap filters and all), and sounds like what you are describing. -Paul. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-net" in the body of the message
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