It currently only supports greenfield deployments. See [1] - we plan to build a migration in the Mitaka time frame. John [1] https://bugs.launchpad.net/neutron/+bug/1516156 On Nov 23, 2015, at 8:05 PM, Shraddha Pandhe <spandhe.openstack at gmail.com<mailto:spandhe.openstack at gmail.com>> wrote: Hi folks, What is the right way to use ipam reference implementation with devstack? When setup devstack, I didnt have the setting ipam_driver = internal I changed it afterwards. But now when I try to create a port, I get this error: 2015-11-23 21:23:00.078 ERROR neutron.ipam.drivers.neutrondb_ipam.driver [req-e6b5ed3c-9fb0-4c0b-a5b9-c8fdecea0cf0 admin 82e842f0f1b548c28f11be231744ee24] IPAM subnet referenced to Neutron subnet a1ddebd1-e63b-41af-a1d3-d5611da46f7e does not exist MariaDB [neutron]> select * from ipamsubnets; Empty set (0.00 sec) __________________________________________________________________________ OpenStack Development Mailing List (not for usage questions) Unsubscribe: OpenStack-dev-request at lists.openstack.org<mailto:OpenStack-dev-request at lists.openstack.org>?subject:unsubscribe http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.openstack.org/pipermail/openstack-dev/attachments/20151124/e10d00d6/attachment.html>