miredo - Tunneling of Ipv6 over UDP through NATs
http://li.nux.ro/download/nux/dextop/el6/x86_64/
# rpm -Uvh nux-dextop-release*rpm
# yum install miredo
2014-10-30 - Nux <rpm@li.nux.ro> - 1.2.6-1 - Updated to 1.2.6
2013-01-29 - Dag Wieers <dag@wieers.com> - 1.2.5-1 - Updated to release 1.2.5.
2009-07-21 - Dries Verachtert <dries@ulyssis.org> - 1.1.7-1 - Updated to release 1.1.7.
2009-04-14 - Dries Verachtert <dries@ulyssis.org> - 1.1.6-1 - Updated to release 1.1.6.
2008-02-17 - Dries Verachtert <dries@ulyssis.org> - 1.1.5-1 - Updated to release 1.1.5.
2007-11-14 - Dries Verachtert <dries@ulyssis.org> - 1.1.4-1 - Updated to release 1.1.4.
2007-01-09 - Dries Verachtert <dries@ulyssis.org> - 1.0.6-1 - Updated to release 1.0.6.
2006-12-18 - Dries Verachtert <dries@ulyssis.org> - 1.0.5-1 - Updated to release 1.0.5.
2006-11-12 - Dries Verachtert <dries@ulyssis.org> - 1.0.4-1 - Updated to release 1.0.4.
2006-08-24 - Dries Verachtert <dries@ulyssis.org> - 1.0.0-1 - Updated to release 1.0.0.