Description of problem: For RHOSP 12, our target architecture supports HA clustering for both Neutron and the OpenDaylight controller. The recommended architecture is as follows: Neutron on three nodes, active/active/active; OpenDaylight on three nodes, active/active/active; any number of compute nodes with Nova and Open vSwitch.
Since the problem described in this bug report should be resolved in a recent advisory, it has been closed with a resolution of ERRATA. For information on the advisory, and where to find the updated files, follow the link below. If the solution does not work for you, open a new bug report. https://access.redhat.com/errata/RHEA-2017:3462