IETF Logo Mail Archive

Re: Informed regulator about the shorter-than-64 necessity on 3G/4G/5G

Mikael Abrahamsson <swmike@swm.pp.se> Tue, 19 January 2021 18:26 UTC

Return-Path: <swmike@swm.pp.se>
X-Original-To: ipv6@ietfa.amsl.com
Delivered-To: ipv6@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 9CF233A16A6 for <ipv6@ietfa.amsl.com>; Tue, 19 Jan 2021 10:26:54 -0800 (PST)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -2.119
X-Spam-Level:
X-Spam-Status: No, score=-2.119 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no
Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=swm.pp.se
Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id WcxtXvnhFcC8 for <ipv6@ietfa.amsl.com>; Tue, 19 Jan 2021 10:26:52 -0800 (PST)
Received: from uplift.swm.pp.se (swm.pp.se [212.247.200.143]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id A9C603A1680 for <ipv6@ietf.org>; Tue, 19 Jan 2021 10:26:52 -0800 (PST)
Received: by uplift.swm.pp.se (Postfix, from userid 501) id 3466AAF; Tue, 19 Jan 2021 19:26:50 +0100 (CET)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=swm.pp.se; s=mail; t=1611080810; bh=b1tTwm/BYSvfqixrVPonc2ymfPwuuW7x17ULG7jiDUQ=; h=Date:From:To:cc:Subject:In-Reply-To:References:From; b=l3JgatH5pS8u3lXLTaYMSGfzmP8ZOJfODO/aiq+3wbngIP8FARKBLih2cMW/juQSi tihKfsm+uILfAu5ls0Db5FomVeHPZUIG8qTPh9So6Sz/68SEyycHae/DE4WFUBrF+9 XCzjen8smJ2jHh598xIaC8vxVpsHGytNhxzKtlM0=
Received: from localhost (localhost [127.0.0.1]) by uplift.swm.pp.se (Postfix) with ESMTP id 30C369F; Tue, 19 Jan 2021 19:26:50 +0100 (CET)
Date: Tue, 19 Jan 2021 19:26:50 +0100 (CET)
From: Mikael Abrahamsson <swmike@swm.pp.se>
To: Jan Zorz - Go6 <jan@go6.si>
cc: ipv6@ietf.org
Subject: Re: Informed regulator about the shorter-than-64 necessity on 3G/4G/5G
In-Reply-To: <83351c64-0804-a4aa-c100-9b5705c9f71f@go6.si>
Message-ID: <alpine.DEB.2.20.2101191923410.28714@uplift.swm.pp.se>
References: <616b05ca-1a02-dfbd-d7f6-c79f56276fa1@gmail.com> <83351c64-0804-a4aa-c100-9b5705c9f71f@go6.si>
User-Agent: Alpine 2.20 (DEB 67 2015-01-07)
Organization: People's Front Against WWW
MIME-Version: 1.0
Content-Type: text/plain; charset=US-ASCII; format=flowed
Archived-At: <https://mailarchive.ietf.org/arch/msg/ipv6/GSDaJBo5fNaj2G2Z_0YM2DrK7kA>
X-BeenThere: ipv6@ietf.org
X-Mailman-Version: 2.1.29
Precedence: list
List-Id: "IPv6 Maintenance Working Group \(6man\)" <ipv6.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/ipv6>, <mailto:ipv6-request@ietf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/ipv6/>
List-Post: <mailto:ipv6@ietf.org>
List-Help: <mailto:ipv6-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/ipv6>, <mailto:ipv6-request@ietf.org?subject=subscribe>
X-List-Received-Date: Tue, 19 Jan 2021 18:26:55 -0000

On Tue, 19 Jan 2021, Jan Zorz - Go6 wrote:

> There are multiple different things to consider here. First of all, prefix 
> that is assigned to mobile phone is negotiated through PDPv6 establishment 
> procedure and not by DHCPv6. That is mostly set to /64 because different

The prefix is "assigned" by sending RA with /64 PIO A=1 down the PDP 
context. I've seen this done automatically at PDP context activation time, 
but the docs also talk about the UE sending RS and GGSN responding with 
RA.

https://tools.ietf.org/html/rfc7066 section 2.3.

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

v2.2.0 | Report a Bug | By Email