OpenWRT WAN port configuration

config interface 'loopback'
	option ifname 'lo'
	option proto 'static'
	option ipaddr '127.0.0.1'
	option netmask '255.0.0.0'

config interface 'lan'
	option type 'bridge'
	option proto 'static'
	option ipaddr '192.168.1.1'
	option netmask '255.255.255.0'
	option ifname 'eth0.1'
	option dns '8.8.8.8 8.8.4.4'

config switch
	option name 'eth0'
	option reset '1'
	option enable_vlan '1'

config switch_vlan
	option device 'eth0'
	option vlan '1'
	option vid '1'
	option ports '2 3 4 5t'

config switch_vlan
	option device 'eth0'
	option vlan '2'
	option vid '2'
	option ports '1 5t'

config interface 'wan'
	option proto 'dhcp'
	option ifname 'eth0.2'
	option peerdns '0'
	option dns '8.8.8.8 8.8.4.4'