strongSwan's NM plugin only supports IKEv2. IKEv1 and in particular L2TP are not supported by that GUI (they could be configured via config files though).
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1457078 Title: L2TP client support for PSK removed from 15.04/15.10 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/network-manager-strongswan/+bug/1457078/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs