Slow WiFi with Android Marshmallow & IPv6?

[Erik Kline]

On 24 April 2016 at 19:53, Jeroen Massar <jeroen at massar.ch> wrote:
> On 2016-04-24 11:51, Eric Vyncke (evyncke) wrote:
>> One of the first Belgian ISP to deploy IPv6 (VOO) is now recommending to
>> its Android Marshmallow (6.0.1) users to deactivate IPv6 on their
>> residential WiFi CPE... :-(
>>
>> It appears that the issue is about IPv6 web sites/apps being really
>> slower when using IPv6.
>
> Is it a DNS issue maybe?
>
> https://www.sixxs.net/faq/dns/?faq=ipv6slowconnect
>
> As that has been the general cause of "Disable IPv6!!!!!" around the
> world for many years already.
>
> Of course, without more details, little one really can say. Bug number
> maybe?
>
> Greets,
>  Jeroen
>

Yeah, a link to something that eventually leads to a bug report would be good.

Also if anybody has adb installed they can just try "adb shell dumpsys
connectivity --diag" and see what the over-simplified diagnostic
output shows.