Intermittent UDP packet loss when using OVN Kubernetes in OpenShift

Solution Verified - Updated -


  • Why there is an intermittent packet-drop when using OpenShift OVN Kubernetes on RHOCP 4.9?
  • When two applications send traffic using the flows below, intermittent packet loss is seen.
App1PodIP -> App2ServiceIP -> App2PodIP
App2PodIP -> App1ServiceIP -> App1PodIP


  • OpenShift Container Platform 4.8.
  • OpenShift Container Platform 4.9.
  • OpenShift Container Platform 4.10.

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