We’re deploying Openstack Neutron (based on Redhat Openstack Platform 10) with arista switches. In this pass we’re only using the Layer 2 driver, allowing Neutron to take care of the L3.
With this configuration neutron creates a network for the routers to communicate VRRP over, we see this being created on our CVX controller, but as the network never gets any ports associated with it so CVX does not communicate this to the physical switches.
This means that the neutron routers go “split brain” as they have no l2 connection between them.
I’ve got a case open with support about this, has anyone else seen this behaviour or know how to fix it?
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