Re: [dhcwg] Re: WG last call on draft-ietf-dhc-dhcpv6-opt-dnsconfig-02.txt

On Thu, 20 Feb 2003, Alain Durand wrote:
> On Thursday, February 20, 2003, at 12:03  PM, Ralph Droms wrote:
> > If it's unclear, then we should edit the document to explicitly 
> > identify the addresses as IPv6 addresses.
> >
> > This option is intended to return IPv6 configuration information.  
> > IPv4 addresses for DNS resolvers should be provided through DHCPv4...

I symphatize with this -- there are some uses to have DHCPv6 return IPv4
addresses too -- but the result would just make the dnsconfig option more
complex for little benefit.  Let's face it: if you deploy DHCPv6, you
really should have long since deployed IPv6-enabled nameservers too.

So, I think clarifying the scope to do only IPv6 seems like the best 
option by far.

> Now, let's say that this is the case for DHCP, what should a node that
> act both as a DHCPv4 and DHCPv6 client do when it will be returned two
> lists of recursive DNS serves, one IPv4 via DHCPv4 and one IPv6 via
> DHCPv6. Which one should take priority?

Implementation decision, but I guess typically the results of the 
latest query take precedence.  I don't see a problem here, myself.

-- 
Pekka Savola                 "You each name yourselves king, yet the
Netcore Oy                    kingdom bleeds."
Systems. Networks. Security. -- George R.R. Martin: A Clash of Kings

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