Configuring VCF stretched-cluster deployments requires first stretching the Layer 2 networks. You also must provide a Layer 3 gateway that is highly available between availability zones. The process proceeds to stretch the management domain cluster first and then the workload domain cluster.
Stretching the cluster in the management domain or VI workload domain is performed using a JSON specification. The process of stretching the cluster depends on the version of VCF being deployed. The documentation for the process is described in the VMware document Stretch Cluster Management. Adjust the documentation to the VCF version.
The following figure shows an example of a successful deployment: