Main Site configuration:
ip route 0.0.0.0 0.0.0.0 (next hop to ISP)
ip route 192.168.1.0 255.255.255.0 192.168.50.1
ip route 192.168.0.0 255.255.255.0 192.168.50.1
Remote configuration:
ip route 0.0.0.0 0.0.0.0 192.168.50.2
ip route 192.168.2.0 255.255.255.0 192.168.50.2