IETF Logo Mail Archive

Re: [v6ops] Q about IPv4-mapped IPv6 address & MPLS

Christian Huitema <huitema@microsoft.com> Thu, 01 May 2014 23:00 UTC

Return-Path: <huitema@microsoft.com>
X-Original-To: v6ops@ietfa.amsl.com
Delivered-To: v6ops@ietfa.amsl.com
Received: from localhost (ietfa.amsl.com [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 3458C1A09FA; Thu, 1 May 2014 16:00:21 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -1.902
X-Spam-Level:
X-Spam-Status: No, score=-1.902 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001] autolearn=ham
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 0crbun9m1HHn; Thu, 1 May 2014 16:00:18 -0700 (PDT)
Received: from na01-bn1-obe.outbound.protection.outlook.com (mail-bn1blp0185.outbound.protection.outlook.com [207.46.163.185]) by ietfa.amsl.com (Postfix) with ESMTP id 851A81A0986; Thu, 1 May 2014 16:00:18 -0700 (PDT)
Received: from BLUPR03MB424.namprd03.prod.outlook.com (10.141.78.152) by BLUPR03MB424.namprd03.prod.outlook.com (10.141.78.152) with Microsoft SMTP Server (TLS) id 15.0.929.12; Thu, 1 May 2014 23:00:15 +0000
Received: from BLUPR03MB424.namprd03.prod.outlook.com ([10.141.78.152]) by BLUPR03MB424.namprd03.prod.outlook.com ([10.141.78.152]) with mapi id 15.00.0929.001; Thu, 1 May 2014 23:00:15 +0000
From: Christian Huitema <huitema@microsoft.com>
To: "Rajiv Asati (rajiva)" <rajiva@cisco.com>, "6man@ietf.org" <6man@ietf.org>, "v6ops@ietf.org" <v6ops@ietf.org>
Thread-Topic: Q about IPv4-mapped IPv6 address & MPLS
Thread-Index: AQHPZQPSCzbpGVI9y0mONiS9cBGpH5srRWcQgAEANQCAABITAA==
Date: Thu, 01 May 2014 23:00:15 +0000
Message-ID: <85910072e0794eae8149ba10ff933c58@BLUPR03MB424.namprd03.prod.outlook.com>
References: <CF875D2F.1951A9%rajiva@cisco.com> <fd46bfdc1db843d2b34ae7a7e06c0c20@BLUPR03MB424.namprd03.prod.outlook.com> <CF882BEC.195BC5%rajiva@cisco.com>
In-Reply-To: <CF882BEC.195BC5%rajiva@cisco.com>
Accept-Language: en-US
Content-Language: en-US
X-MS-Has-Attach:
X-MS-TNEF-Correlator:
x-originating-ip: [2001:4898:80e8:ee31::2]
x-forefront-prvs: 01986AE76B
x-forefront-antispam-report: SFV:NSPM; SFS:(10009001)(6009001)(428001)(189002)(199002)(86362001)(81542001)(76482001)(4396001)(86612001)(77982001)(81342001)(87936001)(101416001)(33646001)(92566001)(2656002)(558084003)(46102001)(83072002)(83322001)(31966008)(80022001)(20776003)(85852003)(80976001)(2201001)(74502001)(99396002)(79102001)(50986999)(76576001)(77096999)(76176999)(74316001)(99286001)(54356999)(74662001)(24736002)(3826001); DIR:OUT; SFP:1101; SCL:1; SRVR:BLUPR03MB424; H:BLUPR03MB424.namprd03.prod.outlook.com; FPR:BF12F1BD.36B147A3.39E38DCF.C4CE9E18.20082; MLV:sfv; PTR:InfoNoRecords; MX:1; A:1; LANG:en;
received-spf: None (: microsoft.com does not designate permitted sender hosts)
Content-Type: text/plain; charset="us-ascii"
Content-Transfer-Encoding: quoted-printable
MIME-Version: 1.0
X-OriginatorOrg: microsoft.onmicrosoft.com
Archived-At: http://mailarchive.ietf.org/arch/msg/v6ops/qJSHsE9c6SRKygBQcIfRDuvUlJ4
Cc: "mpls@ietf.org" <mpls@ietf.org>
Subject: Re: [v6ops] Q about IPv4-mapped IPv6 address & MPLS
X-BeenThere: v6ops@ietf.org
X-Mailman-Version: 2.1.15
Precedence: list
List-Id: v6ops discussion list <v6ops.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/v6ops>, <mailto:v6ops-request@ietf.org?subject=unsubscribe>
List-Archive: <http://www.ietf.org/mail-archive/web/v6ops/>
List-Post: <mailto:v6ops@ietf.org>
List-Help: <mailto:v6ops-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/v6ops>, <mailto:v6ops-request@ietf.org?subject=subscribe>
X-List-Received-Date: Thu, 01 May 2014 23:00:21 -0000

> However, v4-mapped v6 addresses are not used by RFC 6052. :o
 
That's intentional. The short answer is that you should not use them, and you should not place them in the routing tables.

-- Christian Huitema

v2.23.0 | Report a Bug | By Email