North American Network Operators Group

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Re: Apple Airport Extreme IPv6 problems?

  • From: Andy Davidson
  • Date: Sun Sep 16 04:58:16 2007

On 16 Sep 2007, at 07:39, Martin Hannigan wrote:

On 9/15/07, Iljitsch van Beijnum <[email protected]> wrote:
Browsers are pretty good at falling back on a different address in
general / IPv4 in particular when the initial try doesn't work,
"Pretty good" as in there is a browser standard to poke for v6 then v4
or is this a stack behavior?

Since this conversation has already talked about behaviour when encountering AAAA vs A, I am worried that a browser running on a dual- stack laptop might cache the AAAA returned when it has some v6 connectivity, and then refuse to look again for the A when I pick it up and take it somewhere with only v4 connectivity.

We see the browser cache bite us regularly with regard to the way they dip into the cache for long-stale records today. The support burden will increase if there are stack transitionary woes as well.