push apps failing in Android until you disable IPv6

[Michael Oghia]

Hi Ted,

Thanks for this information. I don't come from a technical background but
care very much about IPv6 proliferation nonetheless (from a development
standpoint). I'm happy to offer any resources or information I can that
might help. I am also an Android user, so let me know if there's anything I
can do to help test.

Best,
-Michael

On Wed, May 11, 2016 at 8:57 AM, Ted Mittelstaedt <tedm at ipinc.net> wrote:

> Michael,
>
> Just about all posters to those threads are end users not system admins
> and just about everything they have posted is sheer speculation.  None
> have really tested in a lab.  Most seem concentrated on app settings or
> are convinced it's an app bug.
>
> They are reporting the issue on 6.x , 5.x and some earlier than that.
> Some of what they are reporting is certainly app setting errors.
>
> It would be useful to ask some of the people posting on those threads
> if they have tried turning off wifi on the phone for a day or so
> and seeing if the push notifications all started working.  That might
> get us some useful data.  If push notices work on their cell carriers
> data but not their own wifi network then you can reasonably argue that
> there is a problem with their wifi network.   That would be the first
> step to getting them to do some logical troubleshooting.
>
> Ted
>
> On 5/10/2016 8:10 AM, Michael Oghia wrote:
>
>> Hi everyone,
>>
>> I am an Android user (but not a developer) and an avid follower of
>> AndroidPolice.com. AP has been reporting about a similar issue for some
>> time (see: here
>> <
>> http://www.androidpolice.com/2016/01/02/some-nexus-owners-are-having-syncing-issues-in-gmail-inbox-and-other-apps/
>> >,
>> here
>> <
>> http://www.androidpolice.com/2016/02/10/the-gmail-sync-bugs-fix-is-rolling-out-over-the-next-week-no-app-updates-necessary/
>> >,
>> and here
>> <
>> http://www.androidpolice.com/2016/03/24/gmails-synchronization-bug-is-far-from-resolved-users-still-reporting-issues-despite-promised-fix/
>> >).
>> The issue concerns Android push notifications for Gmail, and many Nexus
>> users specifically had raised the issue on the Nexus Help Forums
>> <https://productforums.google.com/forum/#!topic/nexus/Ayd_1TOemSE> as
>> well as filed multiple bug reports on the Android Issue Tracker
>> <https://code.google.com/p/android/issues/detail?id=197805>. As you can
>> read in the third link, it was supposedly fixed in previous builds but
>> the problem has persisted for some. I don't know if the issue raised in
>> this thread is the same, but I figured it was prudent to bring it to
>> your attention.
>>
>> Since Android Police were the ones who covered it, I also CC'd
>> Artem Russakovskii, the editor-in-chief. The AP staff may be able to
>> provide more information in addition to what has been discussed so far.
>>
>> Best,
>> -Michael
>> __________________
>>
>> Michael J. Oghia
>> Istanbul, Turkey
>> Journalist & editor
>> 2015 ISOC IGF Ambassador
>> Skype: mikeoghia
>> Twitter <https://www.twitter.com/MikeOghia> *|* LinkedIn
>> <https://www.linkedin.com/in/mikeoghia>
>>
>> On Tue, May 10, 2016 at 4:48 PM, Mikael Abrahamsson <swmike at swm.pp.se
>> <mailto:swmike at swm.pp.se>> wrote:
>>
>>     On Tue, 10 May 2016, Erik Kline wrote:
>>
>>         It's really not clear to me what that version of rdisc6 would
>>         print if
>>         it encounters options about which it did not know anything.  A
>>         pcap of
>>         just an RA would be best.  The adb commands I pasted should also
>>         suffice to show what the device thinks it has for DNS, routes,
>>         everything.
>>
>>
>>     The version of rdisc6 included in Ubuntu 14.04 displays recursive
>>     DNS server.
>>
>>     This is also seen in "tcpdump -vvv -n -i eth0 icmp6" and I see it as:
>>
>>     rdnss option (25), length 24 (3):
>>
>>
>>     --
>>     Mikael Abrahamsson    email: swmike at swm.pp.se <mailto:
>> swmike at swm.pp.se>
>>
>>
>>
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