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RADIUS Attributes for IPv6 Access Networks
RFC 6911

Internet Engineering Task Force (IETF)                       W. Dec, Ed.
Request for Comments: 6911                           Cisco Systems, Inc.
Category: Standards Track                                    B. Sarikaya
ISSN: 2070-1721                                               Huawei USA
                                                            G. Zorn, Ed.
                                                             Network Zen
                                                                D. Miles
                                                                  Google
                                                            B. Lourdelet
                                                        Juniper Networks
                                                              April 2013

               RADIUS Attributes for IPv6 Access Networks

Abstract

   This document specifies additional IPv6 RADIUS Attributes useful in
   residential broadband network deployments.  The Attributes, which are
   used for authorization and accounting, enable assignment of a host
   IPv6 address and an IPv6 DNS server address via DHCPv6, assignment of
   an IPv6 route announced via router advertisement, assignment of a
   named IPv6 delegated prefix pool, and assignment of a named IPv6 pool
   for host DHCPv6 addressing.

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/rfc6911.

Dec, et al.                  Standards Track                    [Page 1]
RFC 6911                   RADIUS IPv6 Access                 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
     1.1.  Requirements Language . . . . . . . . . . . . . . . . . .   3
   2.  Deployment Scenarios  . . . . . . . . . . . . . . . . . . . .   3
     2.1.  IPv6 Address Assignment . . . . . . . . . . . . . . . . .   4
     2.2.  DNS Servers . . . . . . . . . . . . . . . . . . . . . . .   5
     2.3.  IPv6 Route Information  . . . . . . . . . . . . . . . . .   5
     2.4.  Delegated IPv6 Prefix Pool  . . . . . . . . . . . . . . .   6
     2.5.  Stateful IPv6 Address Pool  . . . . . . . . . . . . . . .   6
   3.  Attributes  . . . . . . . . . . . . . . . . . . . . . . . . .   6
     3.1.  Framed-IPv6-Address . . . . . . . . . . . . . . . . . . .   6
     3.2.  DNS-Server-IPv6-Address . . . . . . . . . . . . . . . . .   8
     3.3.  Route-IPv6-Information  . . . . . . . . . . . . . . . . .   9
     3.4.  Delegated-IPv6-Prefix-Pool  . . . . . . . . . . . . . . .  10
     3.5.  Stateful-IPv6-Address-Pool  . . . . . . . . . . . . . . .  11
     3.6.  Table of Attributes . . . . . . . . . . . . . . . . . . .  11
   4.  Diameter Considerations . . . . . . . . . . . . . . . . . . .  12
   5.  Security Considerations . . . . . . . . . . . . . . . . . . .  12
   6.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .  12
   7.  Acknowledgments . . . . . . . . . . . . . . . . . . . . . . .  13
   8.  References  . . . . . . . . . . . . . . . . . . . . . . . . .  13
     8.1.  Normative References  . . . . . . . . . . . . . . . . . .  13
     8.2.  Informative References  . . . . . . . . . . . . . . . . .  13

Dec, et al.                  Standards Track                    [Page 2]
RFC 6911                   RADIUS IPv6 Access                 April 2013

1.  Introduction

   This document specifies additional RADIUS Attributes used to support
   configuration of DHCPv6 and/or ICMPv6 Router Advertisement (RA)
   parameters on a per-user basis.  The Attributes, which complement
   those defined in [RFC3162] and [RFC4818], support the following:

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