Tassos, You can use 'netsh interface ipv6 set prefixpolicy' to update the policy to RFC 6724. I agree it would be nice if MS issued a patch for this, but it's a simple sysadmin script.
Regards Brian On 21/11/2013 00:48, Tassos Chatzithomaoglou wrote: > After experimenting a little with ULAs, i noticed that Win7 uses ULA as > source in order to connect to a global IPv6 address, while at the same time > destroying the quick switchover effect of HE. Linux on the other hand doesn't > seem to suffer from the same issue. > > I did a quick search and i found out that this is expected behavior, so a > solution from MS shouldn't be expected any time soon (although there is a > workaround by changing the prefix selection policy). > > C:\Users\Tassos>netsh interface ipv6 show prefixpolicies > Querying active state... > > Precedence Label Prefix > ---------- ----- -------------------------------- > 50 0 ::1/128 > 40 1 ::/0 > 30 2 2002::/16 > 20 3 ::/96 > 10 4 ::ffff:0:0/96 > 5 5 2001::/32 > > > Latest rfc 6724 defines a specific policy for ULAs, while the older one rfc > 3484 didn't: > > Prefix Precedence Label > ::1/128 50 0 > ::/0 40 1 > ::ffff:0:0/96 35 4 > 2002::/16 30 2 > 2001::/32 5 5 > fc00::/7 3 13 > ::/96 1 3 > fec0::/10 1 11 > 3ffe::/16 1 12 > > Does anyone know if MS has any plans to implement the newer RFC? It's almost > a year since the RFC came out. > Dave as an author might be a hint, but i have seen many similar cases without > the expected result. > >
