[Dnsmasq-discuss] DNS64 support

Jima jima at beer.tclug.org
Tue Dec 28 19:12:39 GMT 2010


On 12/28/2010 01:06 PM, Jan Seiffert wrote:
> 2010/12/28 Jima <jima at beer.tclug.org>:
>>  First off, I understand if this notion gets shot down real fast; it's a
>> bit of a corner case (although maybe not so much in coming months).
>>
>>  With IPv4 address depletion looming (IANA in the next 2 months, the
>> first RIR likely before the end of 2011), I'm in the process of
>> experimenting with a NAT64 environment, a way for IPv6-only clients to
>> interact with IPv4 networks without a proxy.  One of the steps required
>> is to enable DNS64.  There are several pieces of software that can do
>> this, but it crossed my mind that since dnsmasq can already replace A
>> results, it might not be terribly involved to adapt it to add the
>> ability to replace them with AAAA results (rather than add another
>> daemon that might require ongoing TLC), but that ran into a stumbling
>> block: I'm REALLY rusty with C.
>>
>>  Ultimately, from my understanding, what DNS64 requires is replacing any
>> A responses with AAAA,
> 
> No.
> A queries are not touched by DNS64. You may suppress A answers (or
> give NODATA), but that is a different matter.

 Boy, did I goof that up.  You're absolutely right.  Thanks, Jan.
 Sorry for the noise, all; this is a totally different can of worms.

     Jima



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