Date: Wed, 21 Feb 2007 12:50:15 -0500 From: Bill Moran <wmoran@collaborativefusion.com> To: "=?ISO-8859-1?Q?\"Jos=E9?= Pablo =?ISO-8859-1?Q?Fern=E1ndez\"?=" <pablo.fernandez@rs.com.ar> Cc: freebsd-questions@freebsd.org Subject: Re: PF slowing down file copies Message-ID: <20070221125015.ad78d4dd.wmoran@collaborativefusion.com> In-Reply-To: <200702211441.29405.pablo.fernandez@rs.com.ar> References: <200702202021.55723.pablo.fernandez@rs.com.ar> <200702211039.51601.nvass@teledomenet.gr> <200702211441.29405.pablo.fernandez@rs.com.ar>
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In response to "Jos=E9 Pablo Fern=E1ndez" <pablo.fernandez@rs.com.ar>: > On Wednesday 21 February 2007 05:39, Nikos Vassiliadis wrote: > > On Wednesday 21 February 2007 01:21, Jos=E9 Pablo Fern=E1ndez wrote: > > > My problem is that when I copy a file from one network to the other, = the > > > first 128KB seems to be copied instantaneously, the second 128KB take > > > more than two minutes and I've seen the third 128KB being copied very > > > rarely. > > > > This might be an MTU problem. Is the MTU set to 1500 everywhere? > > You can try using a smaller MTU - like 1400 - on two computers, > > try a transfer and if that works, you'll have to check the > > switches involved. >=20 > Where is/should the MTU be set? ifconfig <interface> mtu 1400 (for example) >=20 > > > This is using Secure CoPy. > > > > Do you mean scp(1)? >=20 > Yes. >=20 > > Also, what's going on when you disable pf? >=20 > When I disable PF I can't reach outside because that is what is in charge= of=20 > NATing, but I can reach the other network, and the copy just works. Have you tried stripping your pf rules down to JUST nat to see if the problem changes? --=20 Bill Moran Collaborative Fusion Inc.
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