network via dhcp
internet gateway 192.168.x.1
dhcp server 192.168.x.10
dhcp gateway 192.168.x.2 => this gateway has a permanent vpn tunnel via openvpn to vpn provider, so I want to route all traffic through it
vpn server 192.168.x.9 => has a manual gateway set to 192.168.x.1 as otherwise clients are not able to establish vpn connections because answers are routed via VPN tunnel (192.168.x.2)