On Tuesday 2010-03-23 03:16, Terry C wrote: > >The problem noticed is that when large messages are sent from the >back-end servers via the router, we see that the router every so often >sends an RST[...] > >Any idea why this may be happening? This router Linux machine is >running a 2.6.21 kernel. Out of curiosity, does the problem go away with a kernel >= 2.6.25? I used to have hangs or RSTs too once upon a few years back, and the issue is most likely a run of kernels (RHEL 2.6.18 being no exception as usual) where things don't work - in my case TCP SACK and TCP DSACK. -- To unsubscribe from this list: send the line "unsubscribe netfilter" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html