On Thu, 11 Jan 2001, Brian Moore wrote:

Who is setting the DF flag and why? If an end host is doing it,

All windows machines do this by default.

check to see if P-MTUd is set on the end host and turn it off. Several OSs try to do this by default (Solaris, HP-UX, etc).

...

From my past experience with P-MTUd (dates back a few years), almost no vendor understood how to implement it.

http://www.cisco.com/warp/public/105/56.html Even cisco recognises the problem and offer no solution :/ -- Mikael Abrahamsson email: swmike@swm.pp.se