On 2015/09/23 16:16, Marios Makassikis wrote: > On 23 September 2015 at 15:34, Giancarlo Razzolini <grazzol...@gmail.com> > wrote: > > Em 23-09-2015 04:40, Stuart Henderson escreveu: > >> Saves messing about with DHCPv6-PD > > > > I see. So you translate from what exactly? Wouldn't it be better to use > > af-to instead of nat? > > Hello, > > Rather than announcing the prefix obtained via DHCPv6-PD you can pick a prefix > from fd00::/8 and announce that on your network. > It is the equivalent to RFC1918 addresses, except it is for IPv6. > Therefore, it is > not routable and you need to perform NAT on it. The global address is the one > the router obtained via static configuration/SLAAC/DHCPv6, which will then be > used by all your clients. > > > But I can relate to that, given that my CPE will > > give me a PD, but won't route packets back because it thinks the prefix > > is reachable using NDP. Hence the need for a proxy, which OpenBSD > > currently doesn't have. > > > > Cheers, > > Giancarlo Razzolini > > > > Your CPE will see only the OpenBSD router's address so it should work.
Exactly. It also makes it easier to handle multiple ISPs for load-balancing or failover, which IPv6 handles poorly (short of using BGP). Also it's good for winding up IPv6 purists :-)