Usage of port 22623 in OpenShift 4

Solution Unverified - Updated -

Issue

  • What is the purpose of port 22623 in OpenShift Container Platform 4?
  • What is the URL associated with port 22623?
  • Error adding worker nodes to the cluster:

    internal server error(ignition: GET error: Get "https://api-int.[cluster-name].[base-domain]:22623/config/worker":dial tcp: lookup api-int.[cluster-name].[base-domain] on 10.0.0.1:53: connect: network is unreachable
    

Environment

  • Red Hat OpenShift Container Platform (RHOCP)
    • 4.x

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