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Help to passthrough additional NIC to a VM


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Posted (edited)

Hey guys

 

I'm working on setting up my own pfsense router since I finally got gigabit internet in Australia, but my current router isn't cutting it. 

 

The NIC's show in system devices, but I seem to be failing to stop unraid for using them

 

image.thumb.png.6e93f538f12ffa404a7776cbe9f2773e.png

 

Above are the devices

 

Here is my syslinux config

image.thumb.png.89c02f06f7c4a10d2c66ee7023870260.png

 

With append vfio-pci.ids=8086:1079 

I can still see the network adapters listed in NetworkSettings, so it seemed to have 0 change

 

I then also tried append pci-stub.ids=8086:1079

With this the network adapters no longer show in NetworkSettings but I also can't see it as an option to passthrough to a VM

 

I am running unraid 6.8.3

unraid-diagnostics-20200710-1317.zip

Above is attached diagnostic download of my tower. in case at all relevant.

Should be noted I also have PCIe ACS Override setting enabled. 

 

Any help would be appreciated as always!

 

Edited by Addy
grammer
  • 2 weeks later...
Posted

You can install VFIO-PCI CFG pluggin from APPS to help you see the IOMMU groups and edit the configuration automaticly.

I recommend trying to leave the adapter without network config first.

 

I have done it twice, the interfaces disappear from unraid, but if you find out you have a weird network setup shown in unraid you can delete config and get to defaults.

 

To restore default network configuration delete these two files and reboot:

 

  /boot/config/network.cfg (i.e. the file network.cfg in the config folder of your flash device)

  /boot/config/network-rules.cfg (i.e. the file network-rules.cfg in the same folder)

 

You can also edit them if you know what you do.

 

Good luck

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