ICMPv6 question

"Templin, Fred L" <Fred.L.Templin@boeing.com> Thu, 31 August 2017 23:07 UTC

Return-Path: <Fred.L.Templin@boeing.com>
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 70AFE132F76 for <ipv6@ietfa.amsl.com>; Thu, 31 Aug 2017 16:07:30 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -4.221
X-Spam-Level:
X-Spam-Status: No, score=-4.221 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_PASS=-0.001] autolearn=ham autolearn_force=no
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 qTO96iaEJu5U for <ipv6@ietfa.amsl.com>; Thu, 31 Aug 2017 16:07:29 -0700 (PDT)
Received: from phx-mbsout-02.mbs.boeing.net (phx-mbsout-02.mbs.boeing.net [130.76.184.179]) (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 13915132F6F for <ipv6@ietf.org>; Thu, 31 Aug 2017 16:07:29 -0700 (PDT)
Received: from localhost (localhost [127.0.0.1]) by phx-mbsout-02.mbs.boeing.net (8.14.4/8.14.4/DOWNSTREAM_MBSOUT) with SMTP id v7VN7SP2035176; Thu, 31 Aug 2017 16:07:28 -0700
Received: from XCH15-06-07.nw.nos.boeing.com (xch15-06-07.nw.nos.boeing.com [137.136.238.213]) by phx-mbsout-02.mbs.boeing.net (8.14.4/8.14.4/UPSTREAM_MBSOUT) with ESMTP id v7VN7N2D035072 (version=TLSv1/SSLv3 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=OK) for <ipv6@ietf.org>; Thu, 31 Aug 2017 16:07:24 -0700
Received: from XCH15-06-08.nw.nos.boeing.com (2002:8988:eede::8988:eede) by XCH15-06-07.nw.nos.boeing.com (2002:8988:eed5::8988:eed5) with Microsoft SMTP Server (TLS) id 15.0.1320.4; Thu, 31 Aug 2017 16:07:22 -0700
Received: from XCH15-06-08.nw.nos.boeing.com ([137.136.238.222]) by XCH15-06-08.nw.nos.boeing.com ([137.136.238.222]) with mapi id 15.00.1320.000; Thu, 31 Aug 2017 16:07:22 -0700
From: "Templin, Fred L" <Fred.L.Templin@boeing.com>
To: 6man WG <ipv6@ietf.org>
Subject: ICMPv6 question
Thread-Topic: ICMPv6 question
Thread-Index: AdMirYG7EwN54XmxT+uCHTYv5GBqHg==
Date: Thu, 31 Aug 2017 23:07:22 +0000
Message-ID: <952aab1a2c824a79b98a3f9d2b3a473a@XCH15-06-08.nw.nos.boeing.com>
Accept-Language: en-US
Content-Language: en-US
X-MS-Has-Attach:
X-MS-TNEF-Correlator:
x-ms-exchange-transport-fromentityheader: Hosted
x-originating-ip: [137.136.248.6]
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: base64
MIME-Version: 1.0
X-TM-AS-MML: disable
Archived-At: <https://mailarchive.ietf.org/arch/msg/ipv6/HuWXK_Xv101asNAhcOwvLkPKWu4>
X-BeenThere: ipv6@ietf.org
X-Mailman-Version: 2.1.22
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: Thu, 31 Aug 2017 23:07:30 -0000

I have a question. If an IPV6 host with address 2001:db8::f00 assigned to an interface
receives a packet with destination address 2001:db8::baa over that interface, what
should it do? Drop the packet silently, or drop and return an ICMPv6 Destination
Unreachable?

Thanks - Fred