Date: Sat, 1 May 2004 15:57:38 -0700 (PDT) From: =?ISO-8859-1?Q?Mikko_Ty=F6l=E4j=E4rvi?= <mbsd@pacbell.net> To: The Jetman <jetman@mycbc.com> Cc: FreeBSD Net <freebsd-net@freebsd.org> Subject: Re: [4.9-R]Can I Make My DSL Connect Go Faster ? Message-ID: <20040501154922.T39972@sotec.home> In-Reply-To: <002a01c42d57$3803e300$3200a8c0@cbcoffice> References: <002a01c42d57$3803e300$3200a8c0@cbcoffice>
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On Wed, 28 Apr 2004, The Jetman wrote: > Folks: I just installed an eval ADSL connection (1.5M/128K) yesterday. > I installed it on a dual-boot XP/FBSD box. When the DSL connection is directly > used by the XP box, I can routinely get 1.5Mb download speed, as determined > by ADSLGuide, etc. I took an essentially, unmodified FBSD partition (I added > IPFW2, DIVERT, and DUMMYNET to the kernel config) and turned it into a > NATting gateway. It worked immediately, but running the same speed tests > I got significantly and consistently lower incoming speed results (avg 400 > Kb/s). > > FWIW, my DSL provider is Verizon and I operate this in Long Island > w/ a Westell 2200 DSL router. I also use a modified version of the > rc.firewall script, but I took it out of the loop by using the open config. > The box I'm using uses a 1.1GHz Celeron w/ 128MB of SDRAM. > > I'm just confused as to why I lose SO much going thru my FBSD box and > that's essence of my question. I can live w/ *some* overhead for the sake > of using FBSD, but this is ridiculous. TIA....Jet I'm getting 1.5 Mb over PPPoE with user space ppp on a 400 MHz Celeron with a crappy RealTek card, so you should certainly not be limited by your hardware. Do you have lots of packet collisions (check with netstat -i)? Perhaps you can try fiddling with the media/mediaopt flags to ifconfig on the interface connected to the DSL box - just in case it autonegotiation is not working at is should. $.02, /Mikko
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