SV: Samsung phones block WiFi IPv6 when sleeping, delayed notifications

2015-06-10 Thread erik.taraldsen
I see that. I don’t think the problem is confined to Samsung or that it can be completed solved in isolation from fixing wireless AP router behaviour. At the edge of the WiFi network I also see the IPv6 connectivity dropping while IPv4 stays up. I’ve a ZyXEL home router that sends periodic

Re: Samsung phones block WiFi IPv6 when sleeping, delayed notifications

2015-06-10 Thread Jeremy Visser
On 10/06/15 18:23, Lorenzo Colitti wrote: are *all* IPv6 packets blocked, or just multicast packets? I know that a number of devices will drop multicast IPv6 packets. On that note, some wireless access points have the ability to convert multicast packets into unicast packets. Both the Cisco

Re: Samsung phones block WiFi IPv6 when sleeping, delayed notifications

2015-06-10 Thread Tore Anderson
* Lorenzo Colitti are *all* IPv6 packets blocked, or just multicast packets? I know that a number of devices will drop multicast IPv6 packets. This eventually blackholes connections because the device stops receiving RAs and thus loses its default route, but that can be worked around by

Re: Samsung phones block WiFi IPv6 when sleeping, delayed notifications

2015-06-10 Thread Tim Chown
On 10 Jun 2015, at 10:33, erik.tarald...@telenor.com erik.tarald...@telenor.com wrote: I believe our Cisco equipment defaults to 10 minutes (600 seconds). There will also be RAs in response to RS messages. From the googeling I've done it seems that the defaults span from 180 to 600

Re: Samsung phones block WiFi IPv6 when sleeping, delayed notifications

2015-06-10 Thread Ross Chandler
On 10 Jun 2015, at 06:33, John Mann john.m...@monash.edu wrote: Hi, We have noticed that Samsung Android phones and tablets on dual-stack IPv4/IPv6 WiFi experience delayed Google notifications when the screen is off. This issue is blocking the enabling of IPv6 across our large campus

Re: Samsung phones block WiFi IPv6 when sleeping, delayed notifications

2015-06-10 Thread Tim Chown
On 10 Jun 2015, at 10:20, erik.tarald...@telenor.com erik.tarald...@telenor.com wrote: I see that. I don’t think the problem is confined to Samsung or that it can be completed solved in isolation from fixing wireless AP router behaviour. At the edge of the WiFi network I also see the IPv6