On Sun., 24 Feb. 2019, 13:35 Robert Hudson, <hud...@gmail.com> wrote:
> > > On Sun, 24 Feb. 2019, 11:03 am Mark Smith, <markzzzsm...@gmail.com> wrote: > >> >> >> So an ISP supplied a router that only had IPv6 enabled? I doubt that >> has ever happened, but if it has, switching on IPv4 on the router >> isn't going to do anything because an "IPv6 only" ISP isn't going to >> provide IPv4 on the WAN side either. >> > > There is at least one IPv6 only ISP in the USA I believe. > So they don't provide any way of accessing the IPv4 Internet at all to their customers? I rejigged my network a while ago so that I have an IPv6 only CPE and an IPv4 only CPE. Experimenting by switching off the IPv4 CPE, in some regards it's surprising what does work over pure IPv6, but on the other hand it is very limited, and not an experience you'd want to provide to a typical Internet end user. For example, on a PC with Fedora 29 and Chrome, I could access all of Google's services without any apparent issues. Rebooting Chromecasts caused them to announce their IPv6 addresses via multicast DNS rather than their IPv4 addresses (they don't advertise IPv6 if IPv4 is available). However the YouTube app on my Android 9 phone refused to let me login to the YouTube website, so I couldn't play any videos to them. (I have Youtube Premium, I didn't go as far as trying to work out how access it without logging in at all on my phone.) Netflix worked fine from my phone to those Chromecasts. If I recall correctly, LinkedIn and Facebook also were fine. The Age worked, however adverts didn't show up. I expect the content showed up because it is on Akamai CDN nodes and they talk IPv6. It was a bit of muck around to see what it was like, I didn't go and reboot and test everything that could talk IPv6. (I don't think I tested my Chromebook for example.) If course other content was entirely unreachable because it was IPv4 only e.g. from memory Whirlpool. So I'm sceptical that any ISP would provide a pure IPv6 only, no IPv4 at all service to somebody who'd likely be playing a game written by Ubisoft. Regards, Mark.
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