Re: Serious Postfix weirdness

[Jordan Gordeev <jgordeev@xxxxxx>]

Joerg Sonnenberger wrote:
> On Sat, Nov 15, 2008 at 04:31:55AM +1100, Petr Janda wrote:
>   
> > > Is net.inet.tcp.path_mtu_discovery=1?
> > >
> > > Joerg
> > >       
> > No, it was set to 0. is it supposed to be set to 1? If so, should the default 
> > be 1? As far as documentation goes Ive read most of modern UNIX systems have 
> > it turned on by default.
> >     
>
> It might help.
>
> Joerg
>   
Does anybody object to turning Path MTU Discovery on by default?
It's been more than 15 years since it was introduced and everybody had a 
chance to learn about it by now.
Is there a technical reason (e.g. related to where the Path MTU is 
stored), for having it off till now?