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Open source driver for the Realtek RTL8111/8168 family.


New Driver for Realtek RTL8111


Anybody who is looking for a add-on network card with Realtek NIC might want to consider the Delock 89357. This card is equipped with a RTL8111E-VL (chipset 16) which is known to work perfectly with my driver because this chipset is my primary test device.

What's New in Version 1.1.0   See changelog


  • Version 1.1.0 (2013-06-08):
  • Support for TCP/IPv6 and UDP/IPv6 checksum offload added (can be disabled in Info.plist).
  • Maximum size of the scatter-gather-list has been increased from 24 to 40 segments to resolve performance issues with TSO4 when offloading large packets which are highly fragmented.
  • TSO4 can be disabled in Info.plist without rebuild.
  • Statistics gathering has been improved to deliver more detailed information (resource shortages, transmitter resets, transmitter interrupt count).
  • The interrupt mitigate settings has been changed to improve performance with SMB and to reduce CPU load.
  • Configuration option added to allow for user defined interrupt mitigate settings without rebuild.

User Feedback

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Fantastic! Works like a charm, much more stable than the two Realtek drivers provided by [url="http://www.insanelymac.com/forum/topic/279450-why-insanelymac-does-not-support-tonymacx86/"]#####[/url] for the RTL8111E. My world is so much better now.

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This works better than the RTL8169 driver that I was using.  I the past if my router reset or disconnected for any reason or if I removed the ethernet cable, I had no connection until I rebooted.


If you have the rtl8916 kext installed remove it and replace with this one.


Works perfectly with Mavericks 10.9.4 and Yosemite Beta 2 and DP6 on my Z87-HD3 mobo.



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Hi,  Mieze!

Like to say thank you.


I have running 10.9 and 10.10 beta with your kext in the last few month.

Mostly working, except samba copying.


Now, with 10.10.1,  It is all working and even with samba.

My testing PC is:  Acer ATC605 with RTL E version.

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Thank you! My Hackintosh lost it's mind and I couldn't get the other driver to work anymore.  Followed your instructions with this and everything is back to normal!

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