Is it possible to expand clusterNetwork and serviceNetwork in OpenShift 4?

Solution Verified - Updated -

Issue

  • Is it possible to modify the clusterNetwork and serviceNetwork post-installation in OpenShift 4?
  • Can the clusterNetwork and serviceNetwork be changed in OCP 4?

Environment

  • Red Hat OpenShift Container Platform (RHOCP)
    • 4
  • OpenShift SDN
  • OVN-Kubernetes

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