Guo Lin says to Ubuntu 台灣社群
sudo sysctl -w net.ipv4.ip_forward=1 sudo sysctl -w net.ipv4.conf.all.forwarding=1 sudo sysctl -w net.ipv6.conf.all.forwarding=1 sudo iptables -t nat -A POSTROUTING -o IFNAME_CONNECTED_TO_INTERNET -j MASQUERADE sudo iptables -t nat -A POSTROUTING -s 10.45.0.0/16 ! -o ogstun -j MASQUERADE sudo iptables -P FORWARD ACCEPT sudo ip ro add 10.45.0.0/16 via 10.53.1.2