UDP is recommended for ether and tun tunnels only. This option is ignored by the client. This option ignored by the client. This option ignored by the client. This option is ignored by the client.
Single number means the same speed for in and out.
This option ignored by the client. Used to force vtund to bind to the specific address and port. Can be either IP number or host name. Ignored by the client. Used to initialize protocols, devices, routing and firewall.