+config interface loopback
+ option ifname lo
+ option proto static
+ option ipaddr 127.0.0.1
+ option netmask 255.0.0.0
+
+config interface eth
+ option ifname eth0
+
+config interface lan
+ option ifname 'lan1 lan2 lan3 lan4'
+ option type bridge
+ option proto static
+ option ipaddr 192.168.1.1
+ option netmask 255.255.255.0
+
+config interface wan
+ option ifname eth1
+ option proto dhcp