The scope of question is using neutron L3 services with OVN. The problem is when a router created, there is no implicit internal interface created between the router instance and the external bridge.
The neutron config says "external_network_bridge" and "gateway_external_network_id" must be set to NULL to use multiple external networks. We then have association to define the external network and is populated to the neutron db accordingly for external network. Example neutron net-update providernet --router:external The association between external bridge and external network when OVN is present is not clear. Where is that association or how does it get associated? Based on this page the steps are http://docs.openstack.org/developer/networking-ovn/testing.html#provider-networks ovs-vsctl add-br br-provider ovs-vsctl set open external-ids:ovn-bridge-mappings=providernet:br-provider Followed by network create and subnet create. I am not sure how setting external ids is updated to the L3 agent where the bridge providing external connection is? Finally, I see no interface between br-provider and router instance so traffic is not going out. What am I missing? Thanks Murali
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