My customers saw this issue at one point. We had issues with DNS over IPv6. Bad DNS and/or network configurations. Once these were fixed, the problems cleared up.
On Sunday, April 24, 2016, Erik Kline <[email protected]> wrote: > On 24 April 2016 at 19:53, Jeroen Massar <[email protected] <javascript:;>> > 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. >
