Maybe also try turning off TCP sack and window scaling (net.inet.tcp.sack=0, net.inet.tcp.rfc1323=0), in case there's an issue there. I noticed that the server is using both, and therecould be a bug on the server (or in DragonFly, but more likely on theserver if that turns out to be the problem).
With both of them set 0 it is still happening. How can we debug it? Petr
