Symptoms
MAC Address Pass-Through
Dell USB-C hub monitors that come with an integrated Ethernet RJ45 port and the MAC Address pass-through feature, will not work with non-Dell systems. Dell has a proprietary implementation of the MAC Address pass-through feature, which makes it available only when the monitor is used with a Dell system.
Affected monitors:
Cause
MAC Address pass-through is only available when used with a Dell system.
Resolution
This is working as designed.
For more information about MAC Address pass-through, see KB article 143263:
What is MAC Address pass through?
If you have further questions about this article, contact
Dell Technical Support.
Affected Products
Dell U2421HE, Dell U2721DE
Product
Dell U2421HE, Dell U2721DE