Packet Drops Observed for Multicast Traffic in OVN-Kubernetes

Solution In Progress - Updated -

Issue

  • After migrating from OpenShiftSDN to OVN-Kubernetes, the application pods intermittently fail to receive multicast traffic.
  • High CPU usage has been observed in the OVS handler and revalidator processes. Additionally, multicast traffic is experiencing packet drops and duplicate packets.

Environment

  • Red Hat OpenShift Container Platform (RHOCP)
    • 4

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