Comparison of features supported by a VDS switch version earlier to 7.0 and VDS version 7.0 or later (NSX enabled).
SR-IOV support
SR-IOV is supported on a vSphere Distributed Switch but not on a NSX Virtual Distributed Switch.
| Feature |
NSX Virtual Distributed Switch |
vSphere Distributed Switch |
| SR-IOV |
No |
Yes (vSphere 7.0 and later) |
Stateless Cluster Host Profile Support
| Feature |
NSX Virtual Distributed Switch |
vSphere Distributed Switch |
| Host Profile Stateless |
Yes |
Yes (vSphere 7.0 and later) No (when VMkernel adapters are connected to NSX Port Group on vSphere Distributed Switch. |
Distributed Resource Scheduler Support
| Source Host |
Destination Host |
DRS (NIOC Configured) |
vSphere |
| vSphere Distributed Switch-A |
vSphere Distributed Switch-B |
No |
No |
| vSphere Distributed Switch-A |
vSphere Distributed Switch-A |
Yes |
7.0 |
vMotion Support
vMotion between source vSphere Distributed Switch and destination vSphere Distributed Switch. Both VDS switches are enabled to support NSX.
| Source / VDS |
Destination / VDS |
Compute vMotion |
Storage vMotion |
| vSphere Distributed Switch-A (VMware vCenter -A) |
vSphere Distributed Switch-A (VMware vCenter-A) |
Yes |
Yes |
| vSphere Distributed Switch-A (VMware vCenter -A) |
vSphere Distributed Switch-B (VMware vCenter -A) |
Yes |
Yes |
| vSphere Distributed Switch-A (VMware vCenter -A) |
vSphere Distributed Switch-B (VMware vCenter -B) |
Yes |
Yes |
| Segment-A (VMware vCenter -A) |
Segment-B (VMware vCenter-A) |
No |
No |
| Segment-A (VMware vCenter -A) |
Segment-B (VMware vCenter -B) |
No |
No |
| Transport Zone-A |
Transport Zone-B |
No |
No |
| NSX-A |
NSX-B |
No |
No |
vMotion between vSphere Distributed Switch (NSX enabled) and NSX Virtual Distributed Switch
| Source / VDS |
Destination / NSX Virtual Distributed Switch |
Compute vMotion |
Storage vMotion |
| VMware vCenter-A |
VMware vCenter-A |
Yes |
Yes |
| VMware vCenter-A |
VMware vCenter-B |
Yes |
Yes |
| Segment-A (VMware vCenter-A) |
Segment-B (VMware vCenter-A) |
No |
No |
| Segment-A (VMware vCenter-A) |
Segment-B (VMware vCenter-B) |
No |
No |
| Transport Zone-A |
Transport Zone-B |
No |
No |
| NSX-A |
NSX-B |
No |
No |
vMotion between vSphere Distributed Switch (NSX enabled) and vSphere Standard Switch or vSphere Distributed Switch
| Source / VDS |
Destination / NSX Virtual Distributed Switch |
Compute vMotion |
Storage vMotion |
| VMware vCenter-A |
VMware vCenter-A |
Yes |
Yes |
| VMware vCenter-A |
VMware vCenter-B |
Yes |
Yes |
| Segment-A (VMware vCenter-A) |
Segment-B (VMware vCenter-A) |
No |
No |
| Segment-A (VMware vCenter-A) |
Segment-B (VMware vCenter-B) |
No |
No |
| Transport Zone-A |
Transport Zone-B |
No |
No |
| NSX-A |
NSX-B |
No |
No |
Enhanced Networking Stack
Both VDS and NSX Virtual Distributed Switches support all features of the enhanced networking stack.
Scale Supported in vSphere 7.0
| Parameter |
NSX Virtual Distributed Switch |
| Logical Switch |
- NSX Distributed Virtual port groups (in VMware vCenter) support 10000 X N, where N is the number of VDS switches in vCenter Server.
- NSX supports 10000 segments.
|
Relationship between NSX Distributed Virtual port groups and Hostd memory on the host.
| NSX Distributed Virtual Port Groups |
Minimum Hostd Memory |
Supported VMs |
| 5000 |
600 MB |
191 |
| 10000 |
1000 MB |
409 |
| 15000 |
1500 MB |
682 |
