Date: Sat, 18 Feb 2006 19:49:18 +0100 From: ptitoliv <ptitoliv@frenchsuballiance.cjb.net> To: danial_thom@yahoo.com Cc: freebsd-questions@freebsd.org Subject: Re: Bandwidth Problems with Freebsd 5.x Message-ID: <43F76C2E.7080404@frenchsuballiance.cjb.net> In-Reply-To: <20060218182027.8061.qmail@web33305.mail.mud.yahoo.com> References: <20060218182027.8061.qmail@web33305.mail.mud.yahoo.com>
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Danial Thom a écrit : >--- ptitoliv <ptitoliv@frenchsuballiance.cjb.net> >wrote: > > > >>Hello everybody, >> >>I am writing here because I have a problem with >>network on freebsd 5.3 >>and 5.4. The machines are pluged in a 100 >>Mbit/s with via rhine network >>cards. On this same LAN I have a Debian Sarge >>computer. When I try to >>transferts big files beetween the FreeBSD and >>the Debian, I see that I >>have an assymetric bandwith : >> >>>From Debian to BSD : No problem. The bandwitdh >>is OK : About 8 MBytes/s >>which is normal for a LAN I guess. >>>From BSD to Debian : The bandwidth is quite >>awful => Beetween 300 >>KBytes/s to 1Mbyte/s. >> >>Network have been changed and the problem is >>still the same. So I >>thought it was a network problem. Then I >>installed an other FreeBSD on a >>different computer and plugged it in a >>completely different network and >>the problem is still here. That's why I think >>there is a thing to >>configure on the BSD system but I don't know >>why. >> >>That's why I am looking here for someone who >>knows this problem and who >>will be able to help me. >> >>Thank you for your answers >> >>Best Regards, >>ptitoliv >> >> > >Are you doing "GET" from each machine, or >comparing GET to PUT? Get has always been a lot >faster then PUT. > I tried GET and PUT from the two servers and the problem is still the same. >Put a monitor on the LAN and >look for weird sending patterns. The 4.x FTP >servers will stop altogether if you set the >window under 1500 bytes. I don't know if its the >server app or the stack, but its probably the >specific application, as HTTPD seems not to have >such problems. > The problem still exists with HTTP and SCP requests.
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