sysctl net.inet.ip.forwarding=1
route add 10.1.2.0/24 192.168.55.105
# on remote -
#sudo sysctl net.ipv4.ip_forward=1
#ip route add 192.168.0.0/24 via 192.168.55.1
#OR
#ip route add 192.168.0.0/24 dev tun0