der Mouse writes:
> > Since when is a netmask even needed for a point to point link?
> 
> I've wondered this too, and have never managed to get a straight
> explanation.  If anyone would be kind enough to explain to me just what
> a netmask could possibly mean on a point-to-point interface, what
> semantics one could have, I'd be very appreciative.

It can have an impact on routes to an interface -- the netmask can
tell you which of two point to point links should get packets. Outside
of the routing table, though, I doubt they are particularly useful.

Perry