Re: [9fans] What is the status of IPv6?

["Antonin Vecera" <antonin.vecera@gmail.com>]

On Fri, Aug 29, 2008 at 5:43 PM,  <geoff@plan9.bell-labs.com> wrote:
> IPv6 support is a little rusty, but was working.  I need to
> reestablish an IPv6 test environment here to continually exercise the
> code and figure out some remaining thorny issues.  The last time I
> tried it, I could connect to remote systems via IPv6 using 6in4(8) but
> not local systems, and it appeared that Neighbour Discovery (the v6
> equivalent of ARP, which uses multicast) was broken.
>
> Some of the thorny issues are:
>
> - how best to operate in a mixed v4 and v6 world, where some hosts are
> v4-only, some are v6-only and some (eventually a lot) are capable of
> using both v4 and v6, preferably global (non-NAT, non-private,
> non-local) addresses.  Is the ipv6 attribute of ndb actually useful,
> or should we just use the ip attribute for v4 and v6?
>
> - how to configure diskless v6-only (or almost only) machines at boot
> time?  dhcp v6 seems pointless yet complex, v6 autoconfiguration might
> suffice with changes to implement dynamic dns, or dhcp v4 might be
> able to carry the necessary data.
>
> - how best to evade v4-only IP infrastructure (routers, firewalls,
> proxies, etc.).
>
> I'd be interested in hearing from anyone currently using v6 with Plan
> 9, particularly in Japan.

Thanks for your reply.
Now I am not able to send or receive any byte via v6 ip. It matches to
your message.
I have FreeBSD server with tunnel to Hexago. If will be there some
progress in ipv6 stack I will test it.

Antonin