# The primary network interface
auto eth0.1
iface eth0.1 inet static
  address 192.168.1.210
  network 192.168.1.0
  netmask 255.255.255.0
  broadcast 192.168.1.255
  gateway 192.168.1.1

auto eth0.2
iface eth0.2 inet static
  address 10.0.0.210
  network 10.0.0.0
  netmask 255.255.255.0
  broadcast 10.0.0.255
  gateway 10.0.0.1