I have the same problem accessing a Cisco Pix 515e. Once I connected, I lost all connectivity yet the VPN connection stayed up. Removing network-manager and rebooting fixed this completely. I would be happy to post all logs needed.
-- 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