On Mon, Nov 30, 2015 at 10:46:45PM +0000, Michael Wojcik wrote: > I'm curious if anyone has seen anything like this before. > > We have a situation at one customer site. They see it happen every few days. No one else has reported it, and we can't reproduce it. Have you considered that this might be a path MTU discovery issue and that the TCP layer is just resending the (too large) packet without it reaching the other side? Kurt