OpenVPN raspberry pi LAN
en openvpn.conf
push "route 192.168.66.0 255.255.255.0"
en sysctl.conf descomentar esta linea
#net.ipv4.ip_forward = 1
iptables -A FORWARD -i eth0 -o tun0 -m state --state ESTABLISHED,RELATED -j ACCEPT
iptables -A FORWARD -s 10.8.0.0/24 -o eth0 -j ACCEPT
iptables -t nat -A POSTROUTING -s 10.8.0.0/24 -o eth0 -j MASQUERADE