The SI6 Networks' IPv6 toolkit is a set of IPv6
security/trouble-shooting tools, that can send arbitrary IPv6-based
packets.

flow6:	A tool to perform a security asseessment of the IPv6 Flow Label.
frag6:  A tool to perform IPv6 fragmentation-based attacks and to
	perform a security assessment of a number of fragmentation-related
	aspects.
icmp6:	A tool to perform attacks based on ICMPv6 error messages.
jumbo6:	A tool to assess potential flaws in the handling of IPv6 Jumbograms.
na6:	A tool to send arbitrary Neighbor Advertisement messages.
ni6:	A tool to send arbitrary ICMPv6 Node Information messages, and
	assess possible flaws in the processing of such packets.
ns6:	A tool to send arbitrary Neighbor Solicitation messages.
ra6:	A tool to send arbitrary Router Advertisement messages.
rd6:	A tool to send arbitrary ICMPv6 Redirect messages.
rs6:	A tool to send arbitrary Router Solicitation messages.
scan6:	An IPv6 address scanning tool.
tcp6:	A tool to send arbitrary TCP segments and perform a variety of
	TCP-based attacks.

Homepage:
http://www.si6networks.com/tools/ipv6toolkit
