- In Hyper-V manager, in the right navigation panel, click Virtual Switch Manager. 
- Click External, then click Create New Virtual Switch. 
- Type an appropriate name for the switch. For example, Virtual_Switch_Name. 
- Select the physical NIC you identified and designate it as the external NIC to connect. 
- Click OK. 
- On the Hyper-V host, as an Administrator, open a PowerShell session. 
- Execute the following commands, which enable the virtual switch to receive packets from the physical mirror port: - $a = Get-VMSystemSwitchExtensionPortFeature -FeatureId 776e0ba7-94a1-41c8-8f28-951f524251b5- $a.SettingData.MonitorMode = 2- add-VMSwitchExtensionPortFeature -ExternalPort -SwitchName <virtual_switch_name> -VMSwitchExtensionFeature $a, where- <virtual_switch_name>is the name of the virtual switch you identified in Step 4.
- In the right navigation panel, click Virtual Switch Manager. 
- Click the + button next to the virtual switch you identified in Step 4. 
- Click Extensions. 
- Ensure Microsoft NDIS Capture is selected. 
- Click OK. 
