"> RA is needed to tell a host to use DHCPv6 This is not ideal."
That is entirely a matter of opinion, and one frequently debated still. FWLIW - I think RAs are a perfectly fine way to distribute information about the router itself, and to provide hints about the environment (e.g. - "Yes, we do Stateful DHCPv6 here ("+M", and "+O' as well" ...) /TJ -----Original Message----- From: Andy Davidson [mailto:a...@nosignal.org] Sent: Sunday, October 18, 2009 6:02 AM To: NANOG list Subject: Re: IPv6 Deployment for the LAN On 18 Oct 2009, at 09:22, Mark Smith wrote: > If it's because somebody could start up a rogue router and announce > RAs, I think a rogue DHCPv6 server is (or will be) just as much a > threat, if not more of one - I think it's more likely server OSes > will include DHCPv6 servers than RA "servers". Disagree - rogue offers affect people without a lease, so the impact of an attack is not immediate. Filtering DHCP on v4 is well understood, an update to current operational practice rather than a new system. On 18 Oct 2009, at 09:29, Nathan Ward wrote: > RA is needed to tell a host to use DHCPv6 This is not ideal. Andy