| Minimum NIC Requirements for vSAN Networking |
|
10GB+ Support |
1GB+ Support |
Comments |
| Hybrid Cluster |
Y |
Y |
10Gb min recommended, but 1Gb supported <1ms RTT |
| All-Flash Cluster |
Y |
N |
All flash requires 10Gb min, 1 Gb not supported <1ms RTT |
| Stretched Cluster (Data to Data) |
Y |
N |
10Gb required between data sites, <5ms RTT |
| Stretched Cluster (Witness to Data) |
Y |
Y |
100Mbps connectivity required from data sites to witness. <200ms RTT |
| 2-node Data to Data |
Y |
Y |
10Gb min, required for all-flash. 1Gb supported for hybrid, but 10G reco. |
| 2-node Witness to Data |
Y |
Y |
1.5 Mbps bandwidth required. <500ms RTT |
