Have a look at /usr/share/doc/wpasupplicant/README.modes.gz It should explain the supported modes of operation in good detail. 'wpa- action' in /etc/network/interfaces was very poorly implemented, and should not be used.
-- wpasupplicant isn't launched when iface up https://launchpad.net/bugs/62378 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
