Debianでの無線LAN設定

設定ファイル：　/etc/network/interfaces
アクセスポイントの検索：　# iwlist scan　（wireless-toolsのインストールが必要）
接続の停止：　# ifdown ath0
接続の開始：　# ifup ath0

記載例:

WEP(DHCP)
auto wlan0
iface ath0 inet dhcp
wireless-essid your-essid
wireless_mode Managed
wireless-key s:your-WEP-key

WEP(static)
auto ath0
iface ath0 inet static
address 192.168.3.13
network 192.168.3.0
netmask 255.255.255.0
broadcast 192.168.3.255
gateway 192.168.3.1
wireless_essid your-essid
wireless_mode Managed
wireless_key your-WEP-key

WPA(DHCP)
auto wlan0
iface wlan0 inet dhcp
wpa-ssid your-essid
# plaintext passphrase
wpa-psk your-WPA-key

WPA(static)
auto wlan0
iface wlan0 inet static
address 192.168.3.13
network 192.168.3.0
netmask 255.255.255.0
broadcast 192.168.3.255
gateway 192.168.3.1
wpa-ssid your-essid
# plaintext passphrase
wpa-psk your-WPA-key