![]() ![]() ![]() After it is created and attached to the VF, the nondefault VPort is in an activated state.Ī nondefault VPort that is attached to the PF provides additional network offload capabilities to the networking components that run in the management operating system. Nondefault VPorts may be attached to the PF or to a VF, and can only be created after the NIC switch has been created.Ī nondefault VPort that is attached to a VF provides network connectivity to the networking components that run in the guest operating system. An overlying driver, such as the virtualization stack, explicitly creates these ports by issuing OID method requests of OID_NIC_SWITCH_CREATE_VPORT. Nondefault VPorts are not created implicitly when the NIC switch is created. The PF miniport driver implicitly deletes the default VPort only when it deletes the default NIC switch.įor more information on how to create a NIC switch and the default VPort on the switch, see Creating a NIC Switch. The default VPort is always in an activated state and cannot be explicitly deleted. The default VPort cannot be attached to a VF. When the PF miniport driver creates and configures the default NIC switch, the driver implicitly creates the default VPort and attaches it to the PF. The default VPort has an identifier of NDIS_DEFAULT_VPORT_ID. The default VPort provides network connectivity to the networking components that run in the management operating system. ![]() The PF is attached to the Hyper-V parent partition and is exposed as a virtual network adapter in the management operating system that runs in that partition.Ī VF is attached to the Hyper-V child partition and is exposed as a virtual network adapter in the guest operating system that runs in that partition. One or more internal VPorts which are connected to the PCI Express (PCIe) Physical Function (PF) or Virtual Functions (VFs). ![]() One external physical port for connectivity to the external physical network. Each NIC switch has the following ports for network connectivity: A virtual port (VPort) is a data object that represents an internal port on the NIC switch of a network adapter that supports single root I/O virtualization (SR-IOV). ![]()
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