On Thu, Oct 24, 2002 at 11:29:18AM +0200, Manuel Bouyer wrote:

 > No (because is has caused me more troubles than it's worth):
 > antioche:/home/bouyer>sysctl -a |grep mtu
 > net.inet.ip.mtudisc = 0

Ok, this is the problem.

 > I've also noticed the problem on a machine with a 10Mbs ethernet:
 > 750KB/s with FTP, instead of the expected 1MB/s
 > In each test case the default route was used (I can't easily test on local
 > network).

Please try changing "net.inet.tcp.mssdflt" to something else ... just try
1500 for now... see if that changes things.

Also, can you please provide a tcpdump if the connection 3whs?

-- 
        -- Jason R. Thorpe <thorpej@wasabisystems.com>