Hi again,

The difference between ipt_route and iproute2's dev flag is that iproute2 cannot direct an IP to a route if the IP is assigned to a local interface.. if eth0 is 1.2.3.4, you cannot route 1.2.3.4 via a gateway.. with ipt_route you can effectively do this..

My thoughts were that using that technique would minimise disruptions to other connections (ppp or wlan). I appreciate adding static host routes using iproute2, but the danger of local Ip and router gw and destination ip collisions means, as you said, you'd have to down the other active connection.. I was thinking of a way to avoid that..