On Tue, Aug 21, 2007 at 03:37:52PM +0200, Jacek Zapala wrote: > Attached. Thanks, I'll study them. Since you're using TCP window scaling, could you try disabling that (sysctl net.inet.tcp.rfc1323=0 on either peer), and see if it affects things? Just to make sure that's not a part of the problem. Daniel