On Mon, Jul 05, 2004 at 10:17:01PM +0700, Ian Zagorskih wrote:
> No, both machines directly attached to 100/10MBit 16-port Eline hub so [i 
> believe] path is always the same in both directions and lookup is done on ARP 
> basis.

clock drift on one of the boxes ?
Maybe try to run a tcpdump on both system, and look at the timestamps.

-- 
Manuel Bouyer <bouyer@antioche.eu.org>
     NetBSD: 26 ans d'experience feront toujours la difference
--