Postinstallation network configuration
After installing OpenShift Container Platform, you can further expand and customize your network to your requirements.
Using the Cluster Network Operator
You can use the Cluster Network Operator (CNO) to deploy and manage cluster network components on an OpenShift Container Platform cluster, including the Container Network Interface (CNI) network plugin selected for the cluster during installation.
For more information, see Cluster Network Operator in OpenShift Container Platform.