On 2011-07-13 13:20 , Mikael Abrahamsson wrote: > On Wed, 13 Jul 2011, Jeroen Massar wrote: > >> To take this little thing called SixXS as an example, we allocate a /64 >> per tunnel, but only use <tunnel>::1 (PoP) and <tunnel>::2 (user). >> >> We actually only configure ::1 on the tunnel and route ::2 to the >> tunnel, thus effectively two /128's. Thus for everything else there will >> be directly an ICMP unreachable. Simple as that. > > A tunnel is not a broadcast medium, it's a point to point device. You > already statically tell it what the other end address is, right? Thus, > this is not a problem on this type of tunnel.
And you can do exactly the same on a Ethernet link... if there are only 2 addresses (router + user) then there is no need to do ND, well, you might need to discover the ::2 but that is it, the rest can be ignored. Greets, Jeroen -------------------------------------------------------------------- IETF IPv6 working group mailing list ipv6@ietf.org Administrative Requests: https://www.ietf.org/mailman/listinfo/ipv6 --------------------------------------------------------------------
