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12.3. Installing a cluster on vSphere with network customizations
In OpenShift Container Platform version 4.5, you can install a cluster on your VMware vSphere instance by using installer-provisioned infrastructure with customized network configuration options. By customizing your network configuration, your cluster can coexist with existing IP address allocations in your environment and integrate with existing MTU and VXLAN configurations. To customize the installation, you modify parameters in the install-config.yaml file before you install the cluster.
You must set most of the network configuration parameters during installation, and you can modify only kubeProxy configuration parameters in a running cluster.
12.3.1. Prerequisites
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Provision persistent storage for your cluster. To deploy a private image registry, your storage must provide
ReadWriteManyaccess modes. - Review details about the OpenShift Container Platform installation and update processes.
If you use a firewall, you must configure it to allow the sites that your cluster requires access to.
注記Be sure to also review this site list if you are configuring a proxy.