ipfw breaks nfs over udp6

[David Malone]

On Tue, Nov 14, 2006 at 07:05:51PM -0500, Kris Kennaway wrote:
> I tried to mount nfs over udp6 from a local host, but nfs traffic
> makes ipfw cry:
> 
> ipfw: pullup failed
> ipfw: pullup failed
> ipfw: pullup failed
> ...
> 
> and nfs traffic is wedged.

I'm guessing this is something to do with sending fragmented UDP
packets. Looking at the ipfw2 code for dealing with IPv6 fragments,
I think there's definitely a problem of some sort, but I can't see
what the intended behaviour is yet.

	David.