config interface 'loopback' option ifname 'lo' option proto 'static' option ipaddr '127.0.0.1' option netmask '255.0.0.0' config interface 'wan' option ifname 'eth0' option proto 'static' option ipaddr '192.168.1.66' option netmask '255.255.255.0' option gateway '192.168.1.1' option dns '8.8.8.8' config interface 'wifi' option proto 'static' option ipaddr '192.168.66.1' option netmask '255.255.255.0' option ip6addr '2a01:240:xxxx:yyyy::1/64'