Date: Mon, 4 Mar 2002 07:37:18 -0800 From: Luigi Rizzo <rizzo@icir.org> To: "Carroll, D. (Danny)" <Danny.Carroll@mail.ing.nl> Cc: freebsd-ipfw@FreeBSD.ORG Subject: Re: Dummynet, ipfw and ADSL bandwidth throttling.... Message-ID: <20020304073718.D64560@iguana.icir.org> In-Reply-To: <AC51C3ABF0F2C044A774557F83AA67A9316E65@citsnl007b.europe.intranet> References: <AC51C3ABF0F2C044A774557F83AA67A9316E65@citsnl007b.europe.intranet>
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On Mon, Mar 04, 2002 at 09:14:05AM +0100, Carroll, D. (Danny) wrote: ... > The adsl connection I have is 512kb down and 64kb up. The problem > starts when I try and upload at the full 64kb. > My Downloads crawl to a halt. > > I am not technical (At least not with ATM etc...) but I have read that > the problem lies with the fact that if you are using all the upload > bandwidth, then a download cannot send control packets fast enough and > hence it slows down as well.... does not sound very good as an explaination... > Basically I am wondering if DummyNet has a facility to limit per IP or > Protocol. Perhaps someone has seen this problem before and knows of a any granularity you like, depending how you specify the ipfw rule that sends packets to the dummynet pipe. cheers luigi To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-ipfw" in the body of the message
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