# Data Object - VirtualSriovEthernetCard(vim.vm.device.VirtualSriovEthernetCard)

Extends
  VirtualEthernetCard
See also
  VirtualPCIPassthroughDvxBackingInfo, VirtualSriovEthernetCardSriovBackingInfo
Since
  vSphere API 5.5

## Data Object Description

The VirtualSriovEthernetCard data object defines the properties of a SR-IOV enabled Ethernet card attached to a virtual machine.

Properties

Name | Type | Description
--- | --- | ---
allowGuestOSMtuChange* | xsd:boolean | Indicates whether MTU can be changed from guest OS.
dvxBackingInfo* | VirtualPCIPassthroughDvxBackingInfo | Information about DVX backing of this VirtualSriovEthernetCard. This field is set if and only if this VirtualSriovEthernetCard is a DVX device. Since 8.0.0.1
sriovBacking* | VirtualSriovEthernetCardSriovBackingInfo | Information about SR-IOV passthrough backing of this VirtualSriovEthernetCard. During an edit operation, if this value is unset, no changes to the SR-IOV backing will be made. During an add operation, if this is unset, an automatic physical function assignment scheme as described above will be used. This field is ignored and must be unset if this VirtualSriovEthernetCard is a DVX device, in which case the dvxBackingInfo field is set. In other words, sriovBacking and dvxBackingInfo cannot both be set at any time.
Properties inherited from VirtualEthernetCard
addressType, externalId, macAddress, resourceAllocation, uptCompatibilityEnabled, wakeOnLanEnabled
Properties inherited from VirtualDevice
backing, connectable, controllerKey, deviceGroupInfo, deviceInfo, key, numaNode, slotInfo, unitNumber
Properties inherited from DynamicData
None

*Need not be set
Show WSDL type definition
<complexType xmlns="http://www.w3.org/2001/XMLSchema" xmlns:vsan="urn:vsan" name="VirtualSriovEthernetCard"> <complexContent> <extension base="vsan:VirtualEthernetCard"> <sequence> <element name="allowGuestOSMtuChange" type="xsd:boolean" minOccurs="0"/> <element name="sriovBacking" type="vsan:VirtualSriovEthernetCardSriovBackingInfo" minOccurs="0"/> <element name="dvxBackingInfo" type="vsan:VirtualPCIPassthroughDvxBackingInfo" minOccurs="0"/> </sequence> </extension> </complexContent> </complexType>