Thanks for replying, I'll try to give a better understanding of why and how.
eth0 = DHCP, 192.168.1.1
eth0:1 = Static, 192.168.1.2
DG = 192.168.1.254
When VPN is connected...
ppp0 = DHCP (assigned), 192.168.2.1
DG = 192.168.2.254
They're both actually on the same subnet, but this just makes it...