“MAC address pass-through” feature for select Lenovo USB based docking solutions - ThinkPad

“MAC address pass-through” feature of selected Lenovo USB based docking solutions - ThinkPad

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“MAC address pass-through” feature of selected Lenovo USB based docking solutions - ThinkPad

Symptom

Certain USB based docking solutions now support a new “MAC address pass-through” feature. This feature allows the MAC address of the native Ethernet network device on the system to be used for imaging, systems management, etc.

Feature set:

  • Docking device has its own network device with unique MAC.
  • Feature provides a single system MAC for PXE boot, etc.
  • Similar to the existing docking device with a RJ45 port.

Applicable Brands

ThinkPad

Applicable Systems

  • X1 Carbon (5th Generation) (20HR, 20HQ)
  • T470
  • T470s
  • T470p
  • P51
  • P71

System Is Configured With

KabyLake based ThinkPad notebook systems which support the following USB based Docks:

Limitations

The following docks are not supported:

  • ThinkPad USB 3.0 Basic Dock (40AA)
  • ThinkPad USB 3.0 Pro Dock (40A7)
  • ThinkPad USB 3.0 Ultra Dock (40A8)

No update will be available to enable the “MAC address pass-through” feature for these docks.

Solution

To use the “MAC address pass-through” feature, the setting must be enabled in the BIOS. The setting is located in BIOS -> Config -> Network.

BIOS

Change the setting to Enabled, then exit the BIOS while saving changes to the BIOS setting.


Alias-ID:SF17-T0014
Dokument-ID:HT503574
Opprinnelig publiseringsdato:02/27/2017
Siste endrede data:07/19/2024