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  1. OpenShift Network Plumbing
  2. NP-591

Be able to run ovnk without default route

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    • OVN Kubernetes
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    • Plumbing Sprint 224, Plumbing Sprint 225

      One requirement from MicroShift is that it should not expect internet connections all the time.  In case node has an IP but no default route associated (nexthop cannot be detected), ovnk shall be able to start and function successfully.

       

      Tim suggested we can use the approach as the hybrid overlay does, to fake the arp response: https://github.com/ovn-org/ovn-kubernetes/blob/master/go-controller/hybrid-overlay/pkg/controller/node_linux.go#L190 in case gateway next hop is not detectable.

              mduarted@redhat.com Miguel Duarte de Mora Barroso
              zshi@redhat.com Zenghui Shi
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