der Mouse  <mouse@Rodents.Montreal.QC.CA> writes:

> > 	we do not have any code for ip proto #98.
> > 	(correct me if I'm wrong).
> 
> I'm pretty sure you're right.  I know this because I implemented a
> tunnel for my home netlink (I found I couldn't use existing tunnel
> code; I can explain why if anyone cares) and I used protocol 98 for the
> outer packets.  Which means I added it to the protocol switch stuff,
> without creating a clash.

Did it have something to do with many, many sites blocking all ICMP
packets, including "must fragment"?

--Michael