Configuring wifi in asus Eee PC

To configure wifi with debian wheezy asus eeePC

1.install the following packages

network-manager-gnome,  wireless-tools,  wpasupplicant,  wicd and wpa-roam packages.

2. then add the following lines to /etc/network/interfaces
wireless-essid router ID

wpa-roam /etc/wpa_supplicant/wpa_supplicant.conf

This will make the wifi connection on a roaming mode, automatically selecting the available wireless networks. read more