Enabling jumbo frame support on a virtual machine requires an enhanced vmxnet adapter for that virtual machine.

1

Locate a virtual machine in the vSphere Web Client.

a

To locate a virtual machine, select a datacenter, folder, cluster, resource pool, or host and click the Related Objects tab.

b

Click Virtual Machines and select a virtual machine from the list.

2

Click the Manage tab, and click Settings > VM Hardware.

3

Click Edit.

4

Click the Virtual Hardware section, and expand the network adapter section. Record the network settings and MAC address that the network adapter is using.

5

Click Remove to remove the network adapter from the virtual machine.

6

Select Network from the New device drop-down menu and click Add.

7

From the drop-down menu, select Vmxnet 2 (Enhanced).

8

Set the network settings to the ones recorded for the old network adapter.

9

Set the MAC Address to Manual, and type the MAC address that the old network adapter was using.

10

Click OK.

Check that the enhanced vmxnet adapter is connected to a standard switch or to a distributed switch with jumbo frames enabled.

Inside the guest operating system, configure the network adapter to allow jumbo frames. See your guest operating system’s documentation.

Configure all physical switches and any physical or virtual machines to which this virtual machine connects to support jumbo frames.