auto lo
iface lo inet loopback


auto dsl-provider
iface dsl-provider inet ppp
pre-up /sbin/ifconfig eth5 up # line maintained by pppoeconf
provider dsl-provider

auto eth0
iface eth0 inet manual

auto eth3
iface eth3 inet manual

auto eth4
iface eth4 inet manual

auto eth5
iface eth5 inet manual