On Wed, Feb 27, 2002 at 08:57:11AM -0800, Don Cohen wrote: > > How about this: > use tcpdump to record the packets of that class > match up the incoming and outgoing packets > take the difference in tcp timestamps Won't work - tcpdump sits before the packet scheduler, and not after. Regards, bert -- http://www.PowerDNS.com Versatile DNS Software & Services http://www.tk the dot in .tk http://lartc.org Linux Advanced Routing & Traffic Control HOWTO