The following table lists the open port requirements for a VxRail stretched cluster. See https://ports.vmware.com/home/vSphere for the latest list of port connectivity requirements.
Description | Connectivity To and From | L4 Protocol | Port |
vSAN Clustering Service | vSAN Hosts | UDP | 12345, 23451 |
vSAN Transport | vSAN Hosts | TCP | 2233 |
vSAN VASA Vendor Provider | vSAN Hosts and vCenter | TCP | 8080 |
vSAN Unicast Agent (to Witness Host) | vSAN Hosts and vSAN Witness Appliance | UDP | 12321 |