As for fun exercises, you might want to try out the Hurricane Electric Free IPv6...

zmn on Feb 3, 2011 | parent | context | favorite | on: IPv4 is depleted: Final five blocks allocated to r...

As for fun exercises, you might want to try out the Hurricane Electric Free IPv6 Certification: http://ipv6.he.net/certification/ It consists of a series of small and manageable tasks that will get you up to speed in no time.