OpenShift Destination unreachable when pinging tun0 for another node, Service IP, or Endpoint IP

Solution Verified - Updated -

Issue

  • Ping to another OpenShift node fails with Destination unreachable (Host unreachable)
  • Cannot curl Service or Endpoint IP for Pod running on another node in OpenShift cluster

Environment

  • Red Hat OpenShift Container Platform
    • 3.x

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