Issue accessing DNATed endpoints via the non-primary interface on RHCOS

Solution Verified - Updated -

Issue

  • Problem encountered when attempting to access the ExternalIP configured on the Service using the secondary interface.
  • Encountered an issue while trying to access the NodePort Service using the secondary interface.
  • The MetalLB load balancer IP is unreachable via the secondary network of the node.

Environment

  • Red Hat OpenShift Container Platform (RHOCP)
    • 4.14+
  • OVN-Kubernetes

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