ago@agovm:~/openwrt-trunk$ cat files/etc/config/network
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 ifname   "eth0 nas0"
        option type     bridge
        option proto    static
        option ipaddr   '90.0.2.1'
        option netmask  255.255.255.0
        option gateway  '90.0.2.2'
        option dns      '90.0.2.2'

config atm-bridge
        option unit     0
        option encaps   llc
        option vpi      1
        option vci      32
ago@agovm:~/openwrt-trunk$