Well, I do not know whether network-manager should support your particular setup (two network addresses is not very common). But it should be able to support roaming between static and dynamic ip address networks.
-- Can't use static ip address with network-manager https://launchpad.net/bugs/5364 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs