RADIUS Attribute for IPv6 Rapid Deployment on IPv4 Infrastructures (6rd)
RFC 6930
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RFC - Proposed Standard
(April 2013; Errata)
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Last updated |
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2020-01-21
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IETF
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plain text
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RFC 6930 (Proposed Standard)
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Consensus Boilerplate |
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Unknown
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Responsible AD |
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Ralph Droms
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Yong Cui (cuiyong@tsinghua.edu.cn) is the Document Shepherd
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Internet Engineering Task Force (IETF) D. Guo
Request for Comments: 6930 S. Jiang, Ed.
Category: Standards Track Huawei Technologies Co., Ltd
ISSN: 2070-1721 R. Despres
RD-IPtech
R. Maglione
Cisco Systems
April 2013
RADIUS Attribute for IPv6 Rapid Deployment
on IPv4 Infrastructures (6rd)
Abstract
The IPv6 Rapid Deployment on IPv4 Infrastructures (6rd) provides both
IPv4 and IPv6 connectivity services simultaneously during the
IPv4/IPv6 coexistence period. The Dynamic Host Configuration
Protocol (DHCP) 6rd option has been defined to configure the 6rd
Customer Edge (CE). However, in many networks, the configuration
information may be stored in the Authentication Authorization and
Accounting (AAA) servers, while user configuration is mainly acquired
from a Broadband Network Gateway (BNG) through the DHCP protocol.
This document defines a Remote Authentication Dial-In User Service
(RADIUS) attribute that carries 6rd configuration information from
the AAA server to BNGs.
Status of This Memo
This is an Internet Standards Track document.
This document is a product of the Internet Engineering Task Force
(IETF). It represents the consensus of the IETF community. It has
received public review and has been approved for publication by the
Internet Engineering Steering Group (IESG). Further information on
Internet Standards is available in Section 2 of RFC 5741.
Information about the current status of this document, any errata,
and how to provide feedback on it may be obtained at
http://www.rfc-editor.org/info/rfc6930.
Guo, et al. Standards Track [Page 1]
RFC 6930 RADIUS for 6rd April 2013
Copyright Notice
Copyright (c) 2013 IETF Trust and the persons identified as the
document authors. All rights reserved.
This document is subject to BCP 78 and the IETF Trust's Legal
Provisions Relating to IETF Documents
(http://trustee.ietf.org/license-info) in effect on the date of
publication of this document. Please review these documents
carefully, as they describe your rights and restrictions with respect
to this document. Code Components extracted from this document must
include Simplified BSD License text as described in Section 4.e of
the Trust Legal Provisions and are provided without warranty as
described in the Simplified BSD License.
Table of Contents
1. Introduction ....................................................3
2. Terminology .....................................................3
3. IPv6 6rd Configuration with RADIUS ..............................4
4. Attributes ......................................................6
4.1. IPv6-6rd-Configuration Attribute ...........................6
4.2. Table of Attributes ........................................9
5. Diameter Considerations .........................................9
6. Security Considerations .........................................9
7. IANA Considerations ............................................10
8. Acknowledgments ................................................10
9. References .....................................................10
9.1. Normative References ......................................10
9.2. Informative References ....................................11
Guo, et al. Standards Track [Page 2]
RFC 6930 RADIUS for 6rd April 2013
1. Introduction
Recently, providers have started to deploy IPv6 and to consider
transition to IPv6. The IPv6 Rapid Deployment (6rd) [RFC5969]
provides both IPv4 and IPv6 connectivity services simultaneously
during the IPv4/IPv6 coexistence period. 6rd is used to provide IPv6
connectivity service through legacy IPv4-only infrastructure. 6rd
uses the Dynamic Host Configuration Protocol (DHCP) [RFC2131], and
the 6rd Customer Edge (CE) uses the DHCP 6rd option [RFC5969] to
discover a 6rd Border Relay and to configure an IPv6 prefix and
address.
In many networks, user-configuration information is managed by
Authentication, Authorization, and Accounting (AAA) servers. The
Remote Authentication Dial-In User Service (RADIUS) protocol
[RFC2865] is usually used by AAA servers to communicate with network
elements. In a fixed-line broadband network, the Broadband Network
Gateways (BNGs) act as the access gateway for users. The BNGs are
assumed to embed a DHCP server function that allows them to handle
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