If there are multiple virtual miniport instances, the instances behave as if they were multiple network interface cards (NICs) plugged into a single Ethernet hub. If a single instance of the virtual miniport exists, it simply drops the send packets and completes the send operation successfully. This sample driver demonstrates an NDIS virtual miniport driver. The driver can be installed either manually using the Add Hardware wizard as a root enumerated virtual miniport driver or on a virtual bus (like toaster bus). The NDIS Virtual Miniport Driver sample illustrates the functionality of an NDIS miniport driver without requiring a physical network adapter.īecause the driver does not interact with any hardware, it makes it easier to understand the miniport interface and the usage of various NDIS functions without the clutter of hardware-specific code that is normally found in a fully functional driver.
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