Question I found there’s virtual LAN device in both windows and Linux and cannot be removed on both H12/X12 motherboard with RoT function support. I cannot use it under OS. What’s that for? Answer This extra virtual LAN (RNDIS ethernet over USB) come from BMC and is the interface used for BMC communicate with OS for specific feature. While in-band operations are in progress, please DO NOT make following changes, this will cause current operation failure. a. DO NOT change OS IP address b. DO NOT enable/disable Host Interface If you disable this Ethernet over USB, you cannot perform server firmware update through in-band by using Linux or Windows utilities. Was this FAQ helpful? YES      NO Enter Comments Below: Note: Your comments/feedback should be limited to this FAQ only. For technical support, please send an email to support@supermicro.com. Enter your email address below if you'd like a technical support staff to reply: FAQ Stats FAQ ID Related Category / Keyword Date Posted Code 32374 N/A 07/01/20     Print Answer