Usage:
    vpncloud [options] [--config <file>] [-t <type>] [-d <name>] [-l <listen>] [-c <addr>...] [-s <subnet>...]

Options:
    --config <file>                 Read configuration options from the
                                    specified file.
    -t <type>, --type <type>        Set the type of network ("tap" or "tun").
                                    [default: tap]
    -d <name>, --device <name>      Name of the virtual device.
                                    [default: vpncloud%d]
    -m <mode>, --mode <mode>        The mode of the VPN ("hub", "switch",
                                    "router", or "normal"). [default: normal]
    -l <port>, --listen <port>      The port number on which to listen for data.
                                    [default: 3210]
    -c <addr>, --connect <addr>     Address of a peer to connect to.
    -s <addr>, --subnet <subnet>    The local subnets to use.
    --magic <hex>                   Override the 4-byte magic header of each
                                    packet.
    --network-id <id>               Optional token that identifies the network.
                                    (DEPRECATED)
    --shared-key <key>              The shared key to encrypt all traffic.
    --crypto <method>               The encryption method to use ("aes256", or
                                    "chacha20"). [default: chacha20]
    --peer-timeout <secs>           Peer timeout in seconds.
    --dst-timeout <secs>            Switch table entry timeout in seconds.
    --ifup <command>                A command to setup the network interface.
    --ifdown <command>              A command to bring down the network
                                    interface.
    -v, --verbose                   Print debug information.
    -q, --quiet                     Only print errors and warnings.
    -h, --help                      Display the help.
    -V, --version                   Print the version and exit.