Date: Wed, 27 Jul 2005 03:40:00 +0400 From: "Andrew P." <infofarmer@gmail.com> To: Sean Hafeez <sean.hafeez@gmail.com> Cc: questions@freebsd.org Subject: Re: 100Mbit network performance - again Message-ID: <cb52064205072616402512316a@mail.gmail.com> In-Reply-To: <38AD37A2-3097-4209-BFF6-090B921BC131@gmail.com> References: <cb52064205072616005af207a8@mail.gmail.com> <491A44A6-1409-4D9E-AEFD-2B8665D52BA7@gmail.com> <cb5206420507261613191c659c@mail.gmail.com> <38AD37A2-3097-4209-BFF6-090B921BC131@gmail.com>
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You might be right in a sense, but like I said: Windows-to-Windows file transfers can easily be sustained at 11-12Mbytes/s. That's up to over 90% of 100Mbit bandwidth. In fact, if you review the theoretical part of Ethernet and TCP/IP, you'd find that it's very possible. On 7/27/05, Sean Hafeez <sean.hafeez@gmail.com> wrote: > Let me fix my typo here..... >=20 > I get 60+Mbits out of 100Mbits on a 10/100 network. >=20 > The Max SUSTAINED thru-put you will ever see will be around 70Mbits. > There is an overhead that means that you will only see .7 of the > theoretical. >=20 > -Sean >=20 > On Jul 26, 2005, at 4:13 PM, Andrew P. wrote: >=20 > > Erm, well 60+Mbytes is no wonder in a Gigabit environment (and it is > > too much of a wonder in a FastEthernet one), but I'm interested in > > getting 100Mbit hardware to work at full speed. > > > > Thanks for your 2 cents anyway, > > Andrew P. > > > > On 7/27/05, Sean Hafeez <sean.hafeez@gmail.com> wrote: > > > >> I get 60+Mbytes between my FreeBSD 5.4 and Mac via NFS. I get > >> 40-60Mbytes between my FreeBSD 5.4 and Windows 2K box via Samba. Good > >> NICs help. Intel 10/100 Pro. > >> > >> Google for Samba tuning also. > >> > >> -Sean > >> > >> > >> > >> On Jul 26, 2005, at 4:00 PM, Andrew P. wrote: > >> > >> > >>> Hello all! > >>> > >>> I remember being able to reach 11-12Mbytes/s between two Win95 > >>> workstations with NE2000 $10 NIC's installed, connected via BNC > >>> cable. > >>> I am now able to reach 11-12Mbytes/s between all kinds of Windows > >>> 2000/XP machines with all kinds of cheapest 100Mbit ethernet > >>> hardware. > >>> > >>> But I have never ever exceeded 8-9Mbytes/s between a Windows machine > >>> and a FreeBSD box - _never_. Be it Samba, different ftp/http > >>> servers, > >>> different FreeBSD versions (4.x/5.x), with ipfw enabled or disabled, > >>> etc., - the speed always hovers around 7-8Mb/s. I know it's not > >>> critical, I know I should've upgraded to Gigabit hardware long ago, > >>> but is there something wrong? > >>> > >>> I tried different linux distros, but they all seem to be even > >>> slower. Wazzup?.. > >>> > >>> Thanks, > >>> Andrew P. > >>> _______________________________________________ > >>> freebsd-questions@freebsd.org mailing list > >>> http://lists.freebsd.org/mailman/listinfo/freebsd-questions > >>> To unsubscribe, send any mail to "freebsd-questions- > >>> unsubscribe@freebsd.org" > >>> > >>> > >> > >> > >> > > _______________________________________________ > > freebsd-questions@freebsd.org mailing list > > http://lists.freebsd.org/mailman/listinfo/freebsd-questions > > To unsubscribe, send any mail to "freebsd-questions- > > unsubscribe@freebsd.org" > > >=20 >
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