Re: Win10 update CLAT

[Ross Chandler]

> On 27 Jul 2017, at 18:27, Mikael Abrahamsson  wrote:
> 
> So my take on this is that it's a Win10 only feature, and it's mobile only.
> 
> Pity.
> 

It should be working on desktops too though because the blurb says “Creators 
Update adds support for 464XLAT on desktops and tablets too.”

Ross

Re: Win10 update CLAT

[Mikael Abrahamsson]

On Thu, 27 Jul 2017, Ross Chandler wrote:

I've had no luck getting it to work either on an IPv6-only LAN with 
DNS64 and NAT64. Ross


After reading the text again, I speculated that it was Win10 mobile only. 
I therefore dug up a win10 mobile phone I have, and updated it, and tried 
to connect to NAT64+DNS64 wifi I have. After updating it to 1703 I still 
can't see any CLAT being detected in any way (for instance test-ipv6.com).


So the only thing I can think of is that the CLAT is mobile-only on win10 
mobile only. So I put in a SIM card in it and tried to create a new APN, 
and it indeed does have a new APN type called "IPv4v6XLAT" (in addition to 
"IPv4", "IPv6" and "IPv4v6"). Unfortunately my mobile provider is dual 
stack and doesn't offer NAT64+DNS64 (at least not on its default APN) so I 
can't test it.


So my take on this is that it's a Win10 only feature, and it's mobile 
only.


Pity.

--
Mikael Abrahamssonemail: swm...@swm.pp.se

Re: Win10 update CLAT

[Ross Chandler]

I've had no luck getting it to work either on an IPv6-only LAN with DNS64 and 
NAT64.
Ross


Sent from my Samsung device

 Original message 
From: Mikael Abrahamsson  
Date: 27/07/2017  3:50 PM  (GMT+00:00) 
To: ipv6-ops@lists.cluenet.de 
Subject: Win10 update CLAT 


Hi,

I did all the updates in Win10 because of the claim that CLAT would be 
included in the latest updates. I can't make it work. DNS64+NAT64 works 
correctly, but I can't ping IPv4 literals (expected behaviour of a host on 
IPv6-only+DNS64+NAT64 without CLAT).

https://blogs.technet.microsoft.com/networking/2017/07/13/core-network-stack-features-in-the-creators-update-for-windows-10/

"Improved 464XLAT support
464XLAT was originally designed for cellular only scenarios since mobile 
operators are some of the first ISPs with IPv6 only networks.  However, 
some apps are not IP-agnostic and still require IPv4 support.  Since a 
major use case for mobile is tethering, 464XLAT should provide IPv4 
connectivity to tethered clients as well as to apps running on the mobile 
device itself. Creators Update adds support for 464XLAT on desktops and 
tablets too. We also enabled support for TCP Large Send Offload (LSO) over 
464XLAT improving throughput and reducing CPU usage."

Is there anything specific I need to do to enable this?

-- 
Mikael Abrahamsson    email: swm...@swm.pp.se