Hi Mauro,
Sorry for late response. Also I could be out of it till July 16th going
on the road to do edu, evangelize, and meet offline with seriously
deploying IPv6 enterprises for a few weeks for Ipv6 Forum and U.S.
customer of IPv6. But will try to check mail. Don't wait for me to keep
talking...............if I don't respond I will if I have to when I get
back.......its good for engineers to go on the road once in awile and eat
their own dog food so they know if it still tastes good and has
nourishment :-----)
> > > > => you can use it with the V6ONLY stuff.
> > >
> > > yes, but on rfc2553-compliant system you cannot have both an AF_INET
> > > and an AF_INET6 socket listening on the same port.
> >
> > Sure you can. By using V6ONLY. Thats the point of the option. It is
> > just you must set it via setsocopt.
> >
> > With V6ONLY you should be able to bind 0.0.0.0, 23 and bind ::,23 one
> > using AF_INET and the other AF_INET6.
>
> RFC2553 does not state this behaviour. in fact many implementations do
> not allow to do this.
That is unfortuneate. I will make sure this is added to the IPv6 test
suites at UNH and ETSI and ask folks at Sun to test for this at
Connectathon. KAME should be pretty much ready to test this too.
>
> can you explain better? let's take two sockets, an AF_INET and an
> AF_INET6+V6ONLY one. can i bind them on the same port only if i
> bind first to 0.0.0.0 and then to ::? or is it also correct to bind
> first to :: and then to 0.0.0.0?
>
> RFC2553 is silent about this.
As I think I said before?
Consensus was to keep RFC 2553 silent about this on purpose.
You can bind either way as they will be treated as two distinct addresses
spaces within the IP protocol suite.
So 0.0.0.0,23 and ::,23 is fine because they are different address space
now if V6ONLY option is set.
I am thinking if others agree we could write all this up in appendix of
RFC2553+++bis+IEEE update....................
regards,
/jim
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