How to test OpenShift SDN vxlan UDP 4789 connectivity between nodes in OpenShift?

Solution Unverified - Updated -

Issue

  • How to test OpenShift SDN vxlan UDP 4789 connectivity between nodes in OpenShift?
  • Cannot connect to a pod on a different node in OpenShift
  • The vxlan UDP 4789 packets seem to be dropped. How to verify?

Environment

  • Red Hat OpenShift Container Platform
    • 3.x
    • 4.x

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