On Nov 20, 2011, at 10:55 AM, "Peter Grandi" <pg_dhcp at dhcp.for.sabi.co.UK> wrote: > Is it possible to get the current ISC DHCP client and server to > do that "easily"? If not, why not? DHCPv6 is link-local, not layer 2. If you don't use relays, you don't get relay options.