Lab architecture: the existing management domain mgmt-a with its 4-host cluster and VNA cluster, the new one-host cluster cluster-mgmt-02a running the Supervisor, and the edge-less NSX path through the default transit gateway and VLAN 22 to the router.

One-Host Supervisor on VCF 9.1, Part 4: Enabling a Supervisor with One Control Plane VM

In Part 3 we gave NSX a way out without edges. Now we enable the Supervisor on the one-host cluster, with a single control plane VM instead of the usual three. Two things stalled it along the way, and I headed off a third before it could. I’ll go through all of them, then prove the result with a test pod. Before you begin vSphere HA and DRS on, HA admission control off (Part 2) The FTT=0 policy compatible with the vSAN datastore (Part 2) Five consecutive free IPs on the management network for the Supervisor (mine: 10.1.1.85 to 10.1.1.89) DNS servers that answer from the address they were queried on (more on that below) Then ask vCenter whether the cluster can take a Supervisor on VPC networking: ...

One-Host Supervisor on VCF 9.1, Part 4: Enabling a Supervisor with One Control Plane VM