2./etc/network/interfaces文件配置
# This file describes the network interfaces available on your system
# and how to activate them. For more information, see interfaces(5).
# The loopback network interface
auto lo
iface lo inet loopback
auto dsl-provider
iface dsl-provider inet ppp
pre-up /sbin/ifconfig eth1 up # line maintained by pppoeconf
provider dsl-provider
auto eth1
iface eth1 inet manual
auto eth0
iface eth0 inet static
address 192.168.1.1
netmask 255.255.255.0