/etc/config/network 
# Copyright (C) 2006 OpenWrt.org

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

config interface wan
        option ifname   eth0
        option proto    'dhcp'

config interface lan1
        option ifname   "eth1 eth2"
        option type     bridge
        option proto    'static'
        option ipaddr  '192.168.2.254'
        option netmask '255.255.255.0'