Source: TechViewz.Org
How to configure Ubuntu 8.10 / 9.04 for 802.1x WPA TKIP environment
The main issue is that since the release 8.10 version, Ubuntu has come with standard Network Manager with not support of PEAP/TKIP, the main authentication for 802.1x secured wireless connection. So, the best solution for this is to swtich to Wicd, the open source Gnome-independency Network manager. [read more]
