Apple Airport Extreme IPv6 problems?

Mon Sep 24 10:39:17 UTC 2007

For a production service, I will never use dual naming for IPv4 and IPv6, is
ridiculous ask the users to understand if they want to use one or the other
to use a different name. For a testing, not an issue.


> De: Martin Hannigan <hannigan at>
> Responder a: <owner-nanog at>
> Fecha: Mon, 17 Sep 2007 13:06:25 -0400
> Para: Iljitsch van Beijnum <iljitsch at>
> CC: Barrett Lyon <blyon at>, <nanog at>
> Asunto: Re: Apple Airport Extreme IPv6 problems?
> On 9/15/07, Iljitsch van Beijnum <iljitsch at> wrote:
>> On 15-sep-2007, at 21:25, Barrett Lyon wrote:
>>> The other thought that occurred to me, does FF/Safari/IE have any
>>> ability to default back to v4 if v6 is not working or behaving
>>> badly?  This could be a helpful transition feature but may be more
>>> trouble than it's worth.
>> Browsers are pretty good at falling back on a different address in
>> general / IPv4 in particular when the initial try doesn't work, but
>> it does take too long if the packet is silently dropped somewhere. If
>> there is an ICMP unreachable there is no real delay. Worst case is a
>> path MTU discovery black hole, then browsers generally don't fall back.
> Getting back to my original discussion with Barrett, what should we do
> about naming? I initially though that segregating v6 in a subdomain
> was a good idea, but if this is truly a migration, v4 should be the
> interface segregated.
>  I have also read Jordi? saying that no dual naming should occur, but
> I think this is unrealistic. (Sorry if I misquoted you, Jordi)
>> It would be good if more ISPs deployed 6to4 gateways so the 6to4
>> experience would be better.
> We are. There are an unending supply of small details that are in the
> way at the moment. :-)
> Best,
> Marty

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Bye 6Bone. Hi, IPv6 !

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