You enable a vNetwork Distributed Switch for jumbo frames by changing the MTU size for that vNetwork Distributed Switch.

1

In the vSphere Client, display the Networking inventory view and select the vNetwork Distributed Switch.

2

From the Inventory menu, select vNetwork Distributed Switch > Edit Settings.

3

On the Properties tab, select Advanced.

4

Set the Maximum MTU to the largest MTU size among all the virtual network adapters connected to the vNetwork Distributed Switch, and click OK.