On Mon, Feb 25, 2002 at 02:23:48PM +0100, Martin Devera wrote: > At my production server when I set MTU to 640 (I hoped in better link > utilization) I suddenly was not able to reach some webs from it. I > discovered that the are sending me 1500 byte packets with DF set and > they didn't pay atttention to my MTU. It is obvious problem in MTU > discovery. > > You are roght that MSS is set to MTU but it is bad luck it you have > small MSS but you can't reach some hosts. > > MSS setting for routes works well for me even for localy generated > flows. Is there some problem I don't see ? No ;-) -- http://www.PowerDNS.com Versatile DNS Software & Services http://www.tk the dot in .tk http://lartc.org Linux Advanced Routing & Traffic Control HOWTO