Verizon IPv6 LTE

TJ trejrco at
Fri Sep 21 01:47:00 UTC 2012

Did Apple use their version of Happy Eyeballs on the iPads?
ISTR they cache certain timeouts, so if IPv6 was failing before it may take
awhile for it to become preferred again.


On Thu, Sep 20, 2012 at 9:37 PM, Seth Mattinen <sethm at> wrote:

> On 9/20/12 6:33 PM, Seth Mattinen wrote:
> >
> > Huh, so I come home and now I'm getting IPv6 from Verizon LTE. But I
> > definitely wasn't at the office. I verified with an app called "IT
> > Tools" that shows the interfaces and routing table, plus it does
> > traceroute/ping. Maybe the nearest tower over there doesn't support
> > IPv6? Odd.
> >
> Safari on the iPad seems to be preferring A over AAAA if a hostname has
> both, though. I can browse to a bracketed IPv6 address so it is working.
> ~Seth

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