Check out the New, Improved Linux IPv6
Last February the USAGI project released the second stable version of IPv6
for Linux. USAGI is managed by volunteers who are dedicated to providing a free
improved IPv6 environment on Linux. Many of these volunteers are already known
for their work on the Free BSD Kame IPv6 implementation.
The latest version of Linux IPv6 features the following improvements:
Source codes for Linux IPv6 are available from ftp://ftp.linux-ipv6.org/pub/usagi/stable/patch/
Binary packages for RedHat, debian, Turbo Linux, Vine Linux, Kondara/MNU Linux
are also available.
For more information about USAGI, visit http://www.linux-ipv6.org/ To get up-to-the-minute news about ongoing developments, you may also want to join their mailing list (http://www.linux-ipv6.org/ml/)