Mine

 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
auto eth0
iface eth0 inet static
address 192.168.1.184
netmask 255.255.255.0
network 192.168.1.0
gateway 192.168.1.1

auto lo:0
iface lo:0 inet static
  address 192.168.1.105
  netmask 255.255.255.255