>
>} perhaps one can do such a thing using a "raw" routing socket, but i
>} wouldn't expect it.
>
>     Why not?  Assuming a "raw" routing lets you specify the interface,
>you should be able to set proxyarp.
>

You can. I've hand walked through arp's code before with the debugger to
change interface numbers around and got it to publish addresses for a given
interface. (basically at the time I was too lazy to write code to do it as I
was just trying to prove a point that it could be done).

James