In message <199707140718.KAA00304@morden.ssh.fi>Michael Richardson writes
>>>>>> "Kevin" == Kevin M Lahey <kml@nas.nasa.gov> writes:
>    Kevin> In message
>    Kevin> <199706222055.QAA23783@istari.sandelman.ottawa.on.ca>"Michael
>    Kevin> C. Ri chardson" writes
>    >> Gee, I thought 4.4 did Path MTU discovery, and thus NetBSD did.
>    >> My impression, from reading the code is that we almost do, but
>    >> don't.
>
>    Kevin> Nope.  We definitely don't support it.
>
>  Does there exist any available PMTU code for 4.4 or 4.3 kernels that
>would fit in?

In private e-mail, Perry pointed out that the BSDI stack supports it, 
and mentioned something about it being publicly available.
We have source for BSDI at work, so I didn't pursue the publicly
available part, but the code is definitely there.

>  Alternatively, is there something reasonably available, that might
>boot from a floppy that does it?

FreeBSD supports it.

Kevin