> Here's my old interfaces file where I statically brought up eth0:
>
> # 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
>
> # The primary network interface
> allow-hotplug eth0
> #iface eth0 inet dhcp
> iface eth0 inet static
> address 192.168.0.100
> netmask 255.255.255.0
> broadcast 192.168.0.255
> gateway 192.168.0.1
> dns-domain gnu-orleans.org
>
Add 'auto eth0'