option ifname "eth0.1 eth0.2"
option mtu 1500
+config device
+ option name dummy
+
config interface lan
option ifname 'br-lan'
option proto static
option ipaddr 192.168.1.1
option netmask 255.255.255.0
+config interface dummy
+ option ifname eth0.4
+ option proto none
config interface lan2
option ifname eth0.3