changed cc: to tech-net.

>>So what technical problem are you trying avoid by having
>>an "IPv6-free system"?
>The current state of IPv6 at Stanford is such that last time
>anyone I know tried to turn on an IPv4-plus-IPv6 box, they could
>no longer resolve hostnames.  (This was under OpenBSD, not NetBSD,
>but the KAME code in both platforms is very, very similar.)

	Could you tell me more about the detail if it still persists?
	When did you installed the particular system?
	I think the particular problem was corrected long time ago
	(cope gracefully with broken name server replies).

itojun