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Re: [v6ops] draft-ietf-v6ops-ipv6-roaming-analysis WGLC

Mikael Abrahamsson <swmike@swm.pp.se> Tue, 29 July 2014 05:10 UTC

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Date: Tue, 29 Jul 2014 07:10:20 +0200
From: Mikael Abrahamsson <swmike@swm.pp.se>
To: GangChen <phdgang@gmail.com>
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Subject: Re: [v6ops] draft-ietf-v6ops-ipv6-roaming-analysis WGLC
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On Tue, 29 Jul 2014, GangChen wrote:

> Only the value IPv4v6 is allowed for ext_pdp. If HLR doesn't support
> IPv4v6 setting(that is the most case pre-R9), in other words, it can't
> set ext_pdp. It may not able to support all cases.

Then I guess it's a matter of implementation. The HLR I was exposed to, 
did for 2G/3G show to the user that IPv4 could have ext_pdp_type IPv6, and 
this enabled IPv4 and IPv4v6 to work with this setting. If UE asked for 
IPv6 only PDP context that didn't work, so we had to add a profile that 
said "IPv6" without ext_pdp_context_type.

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

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