* tests/test_transport.py: Transports kept port as user specified it. (TestRemoteTCPTransport, SSHPortTestMixin, SFTPTransportPortTest, BzrSSHTransportPortTest): Deleted. Default port is set just before connection.
* smart/medium.py: (SmartTCPClientMedium._ensure_connection): Set port to default *just* before connection.
* builtins.py: (cmd_serve.run): Get interface and port default values from medium.