4.6.3 Internet Protocol Version 6 (IPv6) Configuration
For Internet Protocol Version 6 (IPv6), the Router Advertisement Daemon (radvd)
            configuration file is necessary. The reference file on the demo image is available in
            the /etc/radvd.conf directory and contains the following lines.
interface wlan0
{
    AdvSendAdvert on;
    prefix 2001:db8:0:2::/64
    {
    };
};
