Date: 07 Nov 2005 16:21:56 -0500 From: Lowell Gilbert <freebsd-questions-local@be-well.ilk.org> To: Olivier Nicole <on@cs.ait.ac.th> Cc: freebsd-questions@freebsd.org Subject: Re: Slow file transfer Message-ID: <447jbkm9vv.fsf@be-well.ilk.org> In-Reply-To: <200511071024.jA7AOAKl071986@banyan.cs.ait.ac.th> References: <200511071024.jA7AOAKl071986@banyan.cs.ait.ac.th>
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Olivier Nicole <on@cs.ait.ac.th> writes: > I am suffering from slow file transfer on a FreeBSD machine. > > The set-up is as follow: > > Router1 is connected to Router2 that is connected to sFTP server > > Router1 and Router2 are the same motherboard, same BIOS configuration, > same CPU, both have same type hard disk (Seagate ATA 10 and 20 GB) and > both are running the same version of freeBSD 4.10-RELEASE-p16 with the > same softwares (Zebra and xorp basically). > > Router2 has 128MB ram while Router1 has only 64MB. > > Both machine load are close to 0.00 > > When I do a file transfer from Router1 to sFTP server (through > Router2) I get a transfer rate of 511 KB/s. > > When I do a file transfer from Router2 to sFTP server (one less hop) I > can only get 87 KB/s. > > The transfer rates remains the same all along the day (this is not due > at a specific traffic high load at the time I gathered data). > > While the setup has not changed for months, the slowness is very recent. > > I must admitthat I am clueless about what could be the reason and help > would be greatly appreciated. Could be a duplex mismatch. Look for collision statistics.
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