Forcing a packet through an interface (OT?)

[Warner Losh]

> Suppose 1) is down. I switch to 2). But I have to keep testing 1)
> to see when it comes back up. How could I force a packet (ping maybe?) 
> to www.whatever.com through 1), despite the default route being 2) ?
> 
> I am aready binding the ping packet to the IP I want but that´s not enough.
> 
> any suggestions?

Host route for the 'www.whatever.com'?

Warner