Interface address sourced packets go thru default gateway on another interface

[Steve Bertrand]

> My problem is, packets generated with A.B.C.D source address does not go
> out thru xl1 but tun0 (which is the default gw). The problem also
> happens when an outsite packet destined for A.B.C.D arrives. The packet
> correctly arrives from xl1 interface but the response goes out from
> tun0. This is driving me crazy since it shouldn't really happen and it
> used not to happen. Everything was working fine until I don't know when
> and why, now I cannot send any packets out thru my xl1 interface by
> binding its source address to the packets.

Show the output to:

# netstat -rn

...are you *sure* that it hasn't always worked this way?

Steve