Re: [dhcwg] a question for rfc3993

Ralph Droms <rdroms@cisco.com> Fri, 02 March 2007 23:06 UTC

Return-path: <dhcwg-bounces@ietf.org>
Received: from [127.0.0.1] (helo=stiedprmman1.va.neustar.com) by megatron.ietf.org with esmtp (Exim 4.43) id 1HNGpI-0005Ch-Cp; Fri, 02 Mar 2007 18:06:12 -0500
Received: from [10.91.34.44] (helo=ietf-mx.ietf.org) by megatron.ietf.org with esmtp (Exim 4.43) id 1HNGpF-0005BX-AA for dhcwg@ietf.org; Fri, 02 Mar 2007 18:06:10 -0500
Received: from rtp-iport-2.cisco.com ([64.102.122.149]) by ietf-mx.ietf.org with esmtp (Exim 4.43) id 1HNGpE-0002Gn-14 for dhcwg@ietf.org; Fri, 02 Mar 2007 18:06:09 -0500
Received: from rtp-dkim-2.cisco.com ([64.102.121.159]) by rtp-iport-2.cisco.com with ESMTP; 02 Mar 2007 18:06:08 -0500
X-IronPort-AV: i="4.14,244,1170651600"; d="scan'208"; a="114830981:sNHT46193320"
Received: from rtp-core-2.cisco.com (rtp-core-2.cisco.com [64.102.124.13]) by rtp-dkim-2.cisco.com (8.12.11/8.12.11) with ESMTP id l22N67W6026071; Fri, 2 Mar 2007 18:06:07 -0500
Received: from xbh-rtp-211.amer.cisco.com (xbh-rtp-211.cisco.com [64.102.31.102]) by rtp-core-2.cisco.com (8.12.10/8.12.6) with ESMTP id l22N60OC000009; Fri, 2 Mar 2007 18:06:00 -0500 (EST)
Received: from xmb-rtp-211.amer.cisco.com ([64.102.31.118]) by xbh-rtp-211.amer.cisco.com with Microsoft SMTPSVC(6.0.3790.1830); Fri, 2 Mar 2007 18:06:00 -0500
Received: from 10.86.240.207 ([10.86.240.207]) by xmb-rtp-211.amer.cisco.com ([64.102.31.118]) with Microsoft Exchange Server HTTP-DAV ; Fri, 2 Mar 2007 23:06:00 +0000
User-Agent: Microsoft-Entourage/11.3.3.061214
Date: Fri, 02 Mar 2007 18:06:20 -0500
Subject: Re: [dhcwg] a question for rfc3993
From: Ralph Droms <rdroms@cisco.com>
To: CTO WEN Haibo <Haibo.WEN@alcatel-sbell.com.cn>, dhcwg@ietf.org
Message-ID: <C20E181C.3C2BC%rdroms@cisco.com>
Thread-Topic: [dhcwg] a question for rfc3993
Thread-Index: AcdVVxKtlCenzBqJQii8JVCfKcROYgHyFDx8
In-Reply-To: <9570C1261494D54D9D3115BC2C83429A02277D74@asbmail2.sbell.com.cn>
Mime-version: 1.0
Content-type: text/plain; charset="US-ASCII"
Content-transfer-encoding: 7bit
X-OriginalArrivalTime: 02 Mar 2007 23:06:00.0499 (UTC) FILETIME=[57FE2030:01C75D1F]
DKIM-Signature: v=0.5; a=rsa-sha256; q=dns/txt; l=1310; t=1172876767; x=1173740767; c=relaxed/simple; s=rtpdkim2001; h=Content-Type:From:Subject:Content-Transfer-Encoding:MIME-Version; d=cisco.com; i=rdroms@cisco.com; z=From:=20Ralph=20Droms=20<rdroms@cisco.com> |Subject:=20Re=3A=20[dhcwg]=20a=20question=20for=20rfc3993 |Sender:=20 |To:=20CTO=20WEN=20Haibo=20<Haibo.WEN@alcatel-sbell.com.cn>, =20<dhcwg@iet f.org>; bh=12KKRQaNpRVcOwQ9NwEcx4oFBOxYOI1qV7GQQR0drPw=; b=bdck+gDD4lFZfvKZviKdlDh0tgzpqcdEJX5/2LuVBYEvPzm/rWDEkN3gf4mS+24t/pgKHp4z YO2bh9kxcia8qbO2xLDXJTtk4NBpyYD5r22MvL/IN7plHD0TvMtTsWBV;
Authentication-Results: rtp-dkim-2; header.From=rdroms@cisco.com; dkim=pass ( sig from cisco.com/rtpdkim2001 verified; );
X-Spam-Score: 0.0 (/)
X-Scan-Signature: b19722fc8d3865b147c75ae2495625f2
Cc:
X-BeenThere: dhcwg@ietf.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: dhcwg.ietf.org
List-Unsubscribe: <https://www1.ietf.org/mailman/listinfo/dhcwg>, <mailto:dhcwg-request@ietf.org?subject=unsubscribe>
List-Post: <mailto:dhcwg@ietf.org>
List-Help: <mailto:dhcwg-request@ietf.org?subject=help>
List-Subscribe: <https://www1.ietf.org/mailman/listinfo/dhcwg>, <mailto:dhcwg-request@ietf.org?subject=subscribe>
Errors-To: dhcwg-bounces@ietf.org

The relay agent is responsible for inserting the Subscriber-ID suboption.
How the specific value for the suboption is selected for a subscriber is up
to the implementation and out of scope for the specification.

- Ralph


On 2/20/07 8:33 PM, "CTO WEN Haibo" <Haibo.WEN@alcatel-sbell.com.cn> wrote:

> Dear all,
>  
> I have a question about RFC3993 (i.e.,"Subscriber-ID Suboption for the Dynamic
> Host Configuration Protocol (DHCP) Relay Agent Option"). Hope you could help
> me.
> In this RFC, it says:
>    Subscriber-ID suboption carries a value that can be independent of
>    the physical network configuration through which the subscriber is
>    connected.  ...  The "subscriber-id" assigned by the provider
>    is intended to be stable as customers connect through different
>    paths, and as network changes occur.
> I want to know who is responsible to insert this sub-option? If it is the
> relay agent, what policy or mapping are used for inserting this suboption into
> the DHCP message from the some DHCP client?
> Hope you could help me remove these confusions.
>  
> Thank you in advance.
>  
> Best regards, 
> Haibo WEN
> _______________________________________________
> dhcwg mailing list
> dhcwg@ietf.org
> https://www1.ietf.org/mailman/listinfo/dhcwg

_______________________________________________
dhcwg mailing list
dhcwg@ietf.org
https://www1.ietf.org/mailman/listinfo/dhcwg