per-interface default routes?

[Wojciech Puchar]

>> That is, I want per-interface default routes
>> (is this the correct term?).
>> 
>> How do I do this?
>> 
>> Thanks,
>> -mark
>
> Route has more information if you want to setup default routes for 
> interfaces. Either that, or natd will yield a solution for you.

natd needs IPFW and is quite CPU consuming compared to just ipfw, which 
does very well what was asked for.