1. Add a new route to dst. addr 0.0.0.0/0 over 192.168.77.1 gateway (VPN) Change distance by +1 for your default route (that is 0.0.0.0 over 192.168.178.1) The distance of you eth1 route should be higher, than you ppp route Note: if you get an ip address for your eth1 by DHCP, you should change the...