[141485] in North American Network Operators' Group
Re: IPv6 day fun is beginning!
daemon@ATHENA.MIT.EDU (Seth Mattinen)
Wed Jun 8 13:22:59 2011
Date: Wed, 08 Jun 2011 10:22:07 -0700
From: Seth Mattinen <sethm@rollernet.us>
To: nanog@nanog.org
In-Reply-To: <A008ABB2-0C3A-4137-A10E-0EF90C68FBBD@cymru.com>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
On 6/8/11 1:29 AM, Neil Long wrote:
>
> On 8 Jun 2011, at 02:13, TJ wrote:
>
>> On Tue, Jun 7, 2011 at 21:04, Iljitsch van Beijnum
>> <iljitsch@muada.com>wrote:
>>
>>> On 8 jun 2011, at 2:31, TJ wrote:
>>>
>>>> ... and Gmail, too ...
>>>
>>> imap.gmail.com only has IPv4, though.
>>>
>>
>> Good catch, applies to pop & smtp as well. Baby steps, I guess?
>> /TJ
>>
>
> Sadly, although I can connect over IPv6 to Gmail an email sent from
> within the browser to an IPv6-only address (AAAA but also an MX) still
> gives the "DNS Error: DNS server returned answer with no data" message.
>
> Transport is one thing but getting applications working with an IPv6
> world will take longer (not that it is that hard :-) )
>
I've been doing IPv6 with SMTP and POP3/IMAP for quite a while now
without any magic tricks. In fact, I've found SMTP to be a far better
test in the early days since it's non-interactive and invisible to the
customer if it took time to fall back to IPv4.
~Seth