To ensure that a virtual machine and a physical NIC can exchange data, you must associate a virtual machine with one or more virtual functions.

After you enable the virtual functions on the host, each of them becomes available as a PCI device.

Verify that the configuration of your environment supports SR-IOV. See SR-IOV Support.

Verify that the virtual functions exist on the host.

Verify that the passthrough networking devices for the virtual function is active on a host.

1

Locate the 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 the virtual machine from the list.

2

Power off the virtual machine.

3

Click the Manage tab of the virtual machine, and select Settings > VM Hardware.

4

Click Edit.

5

Expand the Memory section, and set the Limit to Unlimited.

6

From the New device drop-down menu select PCI Device and click Add.

7

From the New PCI device drop-down menu select the virtual function and click OK.

8

Power on the virtual machine.

Adding a virtual function as a PCI device to a virtual machine sets memory reservation to the memory size of the virtual machine.