Date: Mon, 7 Aug 2000 14:43:30 -0700 From: Alfred Perlstein <bright@wintelcom.net> To: Grandpa Walrus <root@web-walrus.com> Cc: freebsd-questions@FreeBSD.ORG Subject: Re: Port throttling Message-ID: <20000807144330.W4854@fw.wintelcom.net> In-Reply-To: <Pine.BSF.3.96.1000804164719.2340A-100000@iceberg.web-walrus.com>; from root@web-walrus.com on Fri, Aug 04, 2000 at 04:52:25PM -0500 References: <Pine.BSF.3.96.1000804164719.2340A-100000@iceberg.web-walrus.com>
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* Grandpa Walrus <root@web-walrus.com> [000807 13:44] wrote: > Is there a good way, under FreeBSD 3.x (or 4.x, or whatever) to tell the > BSD system that a given interface has a maximum speed of, say, 256k? > > i.e. > > rl0 - 10baseT (Gateway to router) > rl1 - 128k (LAN interface) > rl2 - 256k (Client's Dedicated Server) > rl3 - 256k (Client's Dedicated Server) > > This would be used to prevent client networks (co-located) from utilizing > more bandwidth than they should be, to avoid clogging our main outward > pipe. > > Alternatively, is there an appliance that could do this? (a managed > switch/hub, perhaps?) This would be the preferable solution, but a > FreeBSD system would probably be less costly. > > Any help you could give would be greatly appreciated I thought using the 'rl' driver would throttle your connectivity enough, but if you find that it's not painful enough have a look at the 'dummynet' manpage, it allows the ipfw (firewall) subsystem to simluate slower links. ~ % man -k bandwidth dummynet(4) - Flexible bandwidth manager and delay emulator -Alfred To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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