# nvram show|egrep '(vlan|br)'
size: 7197 bytes (25571 left)
vlan3hwname=et0
vlan4ports=4 5*
vlan2ports=2 5*
vlan0ports=1 5*
vlan2hwname=et0
lan_ifnames=vlan2 vlan3 vlan4 vlan0 eth2
pppoe_ifname=vlan1
vlan3ports=3 5*
vlan1hwname=et0
lan_ifname=br0
vlan4hwname=et0
vlan0hwname=et0