Something

#### VLAN configuration
#config switch eth0
#        option vlan0   "0 1 2 3 5*"
#        option vlan1   "4 5"

config switch eth0
        option vlan0    "0 5*"
        option vlan1    "1 5*"
        option vlan2    "2 5*"
        option vlan3    "3 5*"
        option vlan4    "4 5*"

#config switch eth0
#    option vlan0    "0 1 5*"
#    option vlan2    "2 3 5*"
#    option vlan1    "4 5*"


config interface vlan0
     option proto static
     option ipaddr 192.168.1.1
     option netmask 255.255.255.0
     option ifname "eth0.0"

config interface vlan1
    option proto static
    option ipaddr 192.168.1.2
    option netmask 255.255.255.0
    option ifname "eth0.1"

config interface vlan2
       option proto static
       option ipaddr 192.168.1.3
       option netmask 255.255.255.0
       option ifname "eth0.2"

config interface vlan3
       option proto static
       option ipaddr 192.168.1.4
       option netmask 255.255.255.0
       option ifname "eth0.3"

#### Loopback configuration
config interface loopback
        option ifname   "lo"
        option proto    static
        option ipaddr   127.0.0.1
        option netmask  255.0.0.0


#### LAN configuration
#config interface lan
#   option type         bridge
#   option ifname       "eth0.0"
#   option proto        static
#   option ipaddr       192.168.1.1
#   option netmask      255.255.255.0