>   Bill, Paul Vixie did some patches to allow per-interface default
> routes awhile back. (TCP replies go back out the interface which 
> the original SYN request arrived on, regardless of other routing)

That's a different (and, I think, mostly orthogonal) issue.  It
shouldn't conflict with my proposed change at all.

The distinction is that per-if-default route deals with connections
inbound to multi-homed hosts, while per-route setting of ifa deals
with outbound connections.

						- Bill