jekim@etri.re.kr wrote: > I want to build IPv6 Diffserv testbed. > Does ALTQ support IPv6? > Can I build native IPv6 Diffserv testbed using ALTQ? Yes and yes. > FreeBSD is the perferable platform. > And I am concerned about that any IPv6 Routing tools exist. If you are talking about routing daemons, try route6d(8) or zebra in the ports collection. -Kenjiro