If you look at "dmesg" do you see any messages from the ethernet driver when this occurs. What kind of ethernet card is in this Linux machine? Next, does the output of "cat /proc/net/dev" show any error counters non-zero after such an event? Later, David S. Miller davem@redhat.com - : send the line "unsubscribe linux-net" in the body of a message to majordomo@vger.kernel.org