使用Ubuntu時
網路的設定檔在 /etc/network/interfaces
依您的例子設定參考如下：
auto lo
iface lo inet loopback
auto eth0
iface eth0 inet static
address 163.23.XX.XX
netmask 255.255.255.192
network 163.23.XX.YY
broadcast 163.23.XX.ZZ
gateway 163.23.XX.XX
dns-nameservers 163.23.XX.XX
auto eth1
iface eth1 inet static
address 192.168.1.254
netmask 255.255.255.0
network 192.168.1.255
broadcast 192.168.1.255
auto eth2
iface eth2 inet static
address 192.168.2.254
netmask 255.255.255.0
network 192.168.2.255
broadcast 192.168.2.255
