This mod is old and does not support IPv6, only IPv4. There is more recent source code available but it 'appears' to have an ADSL bug.
Custom Firmware for the UK black Sky router SR102 - BCM63168
400Mhz Broadcom CPU, 128MiB RAM, 16MiB SPI Flash
Master GPL Source: http://oss.sky.com/SkyHD/SKY-IHR-2-1-s-3761-R-consumer-release.tar.gz
Download the script 'install' to a empty directory
Make it executable 'chmod a+rx ./install' and run it
Wait for the process to Download and Install
Please refer to the '_burn-image' directory using the new or precompiled binary