How to resize the ctlplane network / control plane network / provisioning network in Red Hat OpenStack Platform after deployment?

Solution Verified - Updated -

Issue

  • How to add new subnet IP addresses in Director for each undercloud network
  • How to scale out the ctrlplane network in Red Hat OpenStack Plaform
  • How to change the size of the provisioning network
  • How to resize the ctlplane network / control plane network in Red Hat OpenStack Platform?
  • If the IP addresses for the ctlplane network are exhausted, how can one expand the existing subnets or add additional subnets?

Environment

  • Red Hat OpenStack Platform 8 (RHOSP)
  • Red Hat OpenStack Platform 9 (RHOSP)
  • Red Hat OpenStack Platform 10 (RHOSP)
  • Red Hat OpenStack Platform 11 (RHOSP)
  • Red Hat OpenStack Platform 12 (RHOSP)
  • Red Hat OpenStack Platform 13 (RHOSP)
  • Red Hat OpenStack Platform 14 (RHOSP)
  • Red Hat OpenStack Platform 15 (RHOSP)
  • Red Hat OpenStack Platform 16 (RHOSP)

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