On 17/03/2008, Ken Irving <fnkci@uaf.edu> wrote: > MTU is my standard WAG for this kind of thing, having had problems in > the distant past. I don't understand how MTU could be the culprit, as my problem seems to be that a packet is not resent, and not that a packet doesn't arrive. Anyway, as I'm not 100% sure of having interpreted the TCP dump correctly, I tried to lower the MTU to 1400 on both machines. No improvement. :-( Bernardo