OpenShift master machines are stuck in ignition firstboot with i/o timeout error on VMware vSphere UPI RHOCP cluster

Solution Verified - Updated -

Issue

  • While booting master machines with static IP approach on VMware vSphere UPI, machine is stuck while fetching configuration from 22623 port
  • Getting i/o timeout error while picking ignition
  • Master machines is not booting/joining cluster

Environment

  • Red Hat OpenShift Container Platform (4.6+) [UPI]
  • VMware vSphere

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