Ignition port 22623 is not reachable from already installed RHOCP nodes

Solution Verified - Updated -

Issue

  • From nodes which are already part of a Red Hat OpenShift Container Platform cluster, I cannot reach port 22623 on either api or api-int endpoints, even when the load balancer or VIP is correctly configured and machine-config-server pods are up and running.
  • I need to test connectivity from already installed RHOCP nodes to ignition ports, but it always fails.

Environment

  • Red Hat OpenShift Container Platform 4.x
    • OpenShift SDN or OVN Kubernetes

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