I use linux-vpnclient-4.8.00.0490 on an atheros based card and madwifi drivers in the restricted modules.
vpnc doesn't connect, don't know why. They use certificate configuration (cisco profiles and root certificate IIRC) -- Network manager conflicts with Cisco VPN client or the other way round https://launchpad.net/bugs/49902 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
