Mine

hackphil@debian:~$ cat /etc/network/interfaces

# 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

## Carte Intel Corporation PRO/Wireless 2200BG Network Connection (rev 05)
## Connexion via Freebox & routeur Linksys WRT54G
auto eth1
iface eth1 inet static
         wireless-essid H4ckphiL
         address 192.168.1.2
         netmask 255.255.255.0
         gateway 192.168.1.1

## Carte Broadcom Corporation BCM4401 100Base-T (rev 02)
auto ra0
iface ra0 inet static
        wireless-essid H4ckphiL
        address 192.168.1.22
        netmask 255.255.255.0
        gateway 192.16.1.1

## Carte TP-LINK Chipset Atheros AR5212 802.11abg NIC (rev 01)
auto ath0
iface ath0 inet static
        wireless-essid H4ckphiL
        address 192.168.1.32
        netmask 255.255.255.0
        gateway 192.168.1.1


hackphil@debian:~$