ipv6 deployment question
Eddie Lania
eddie at lania.nl
Tue Sep 7 12:55:12 UTC 2010
If that is true about the registration in the dns, does the
"authorative" needs to be set for the /16 subnet in the dhcpd.conf?
On Tue, 2010-09-07 at 12:32 +0000, Carl Holzhauer wrote:
> The fact that NAT/PAT is gone with IPv6 is one of the advantages of
> moving to it…end to end IPv6 connectivity.
>
>
>
> DNS registration depends on the OS/DNS server. Windows and Windows
> DNS will automagically register hosts in DNS, you only need to set up
> the reverse zone.
>
>
>
>
>
>
> From: dhcp-users-bounces+cholzhauer=sscorp.com at lists.isc.org
> [mailto:dhcp-users-bounces+cholzhauer=sscorp.com at lists.isc.org] On
> Behalf Of Eddie Lania
> Sent: Monday, September 06, 2010 1:16 PM
> To: Users of ISC DHCP
> Subject: Re: ipv6 deployment question
>
>
>
>
>
>
> Okay,
>
> I am already working on that scenario.
>
> I use radvd only for router (gateway) advertisement. I set flags in
> radvd so that no stateless configuration is done on the hosts.
> Hosts need to use dhcpv6 for ipv6 configuration. dhcp provides hosts
> with the unique local addresses.
>
> This prevents hosts to communicate beyond the FC00::/7 to the outside
> world.
>
> But this setup seems pretty useless since no NAT/PAT is available
> (yet) in ipv6. Hosts need real global (2000::/3) addresses to
> accomplish that.
>
> I have a tun6to4 connection to the internet.
>
> I could provide them with addresses by using a /64 subnet from the
> 2002::/16 subnet that is provided to me through the tun6to4 connection
> but then I keep breaking my mind about how addresses of these hosts
> would have to be registered in the local dns.
>
> From what I know, it is not allowed to use the tun6to4 addresses to be
> registered in global dns.
>
> So, I wonder how this should be done in the real ipv6 world. (I think
> nat/pat is not valid anymore in ipv6).
>
> Regards,
>
> Eddie.
>
>
> This seems to work for the most part.
>
> On Mon, 2010-09-06 at 16:17 +0530, Suprasad Mutalik Desai wrote:
>
>
>
>
> Site local addresses are deprecated and are no more used.
> Instead we use Unique Local addresses,FC00::/7 (ULA) to assign
> addresses to the LAN side hosts.
>
>
>
> Regd the RDNSS option although radvd has support for that but
> LAN side host doesn't support this option . So actually you
> cannot use this option for deployment. So As of now , until
> all the hosts support this RDNSS, better option would be RADVD
> + Stateless DHCPv6 server
>
>
>
> Regards,
>
> Suprasad.
>
>
> On 9/4/10, Eddie Lania <eddie at lania.nl> wrote:
>
>
> Okay, thank you again. That seems pretty straight
> forward :-)
>
> One thing I still wonder about:
>
> Is everybody that uses ipv6 just assigning global
> addresses to all the hosts in their lan?
>
> Or are there also people that prefer to assign site
> global addresses to their hosts only?
> What would be the benefit of that? You can't "nat"
> them to the outside world can you?
>
>
>
>
>
>
>
>
>
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