root@OpenWrt:/# ifconfig
vi etc/config/network
root@OpenWrt:~# vi /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 globals 'globals'
option packet_steering '1'
config interface 'lan'
option type 'bridge'
option proto 'static'
option ipaddr '192.168.18.1'
option netmask '255.255.255.0'
option ip6assign '60'
option _orig_ifname 'eth0'
option _orig_bridge 'true'
option ifname 'eth0 eth1 eth2'
config interface 'wan'
option proto 'dhcp'
option ifname 'eth3'
i进入修改esc退出编辑:wq保存并退出