>>It seems that if I open an ipv6 socket and send a packet to the ipv4
>>address (or to the ipv4 encapusated in an ipv6 address, with the ipv4
>>prefix) NetBSD doesn't send this out the wire as an IPV4 packet, but
>>instead I get "no route to host."
>>linux does this right, as do other ipv6 stacks I've dabbled in
>>recently.  Shouldn't we?
>	You mean "IPv4-mapped IPv6 address" (::ffff:10.1.1.1, section 2.5.4 in
>	rfc2373), or "IPv4-compatible IPv6 address" (::10.1.1.1, section 2
>	in rfc1933)?

	see sys/netinet6/IMPLEMENTATION for more detailed list of what is
	supported and what is not.

itojun