Download of RealtekR1000_release.pkg.zip (RealtekR1000_release.pkg.zip ( external link: SF.net): 32,046 bytes) will begin shortly. If not so, click link on the left.
RealterR1000 it's an opensource driver for network controllers RTL8168, RTL8111, RTL8169, RTL8101 and some others modification for Mac OSX. It is based on Realtek' driver for Linux and doesn't supported by Realtek.