Victor Zandy writes: > > The first block causes the remote system to send an ARP anoucement. > > I don't think so: Neither do I. What's probably happening is that the first packet gets the congestion window inflating sooner. Later, David S. Miller davem@redhat.com - : send the line "unsubscribe linux-net" in the body of a message to majordomo@vger.kernel.org