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Version 5.4.0, 2014-04-22
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Diameter Network Access Server Application
RFC 7155

Internet Engineering Task Force (IETF)                      G. Zorn, Ed.
Request for Comments: 7155                                   Network Zen
Obsoletes: 4005                                               April 2014
Category: Standards Track
ISSN: 2070-1721

               Diameter Network Access Server Application

Abstract

   This document describes the Diameter protocol application used for
   Authentication, Authorization, and Accounting services in the Network
   Access Server (NAS) environment; it obsoletes RFC 4005.  When
   combined with the Diameter Base protocol, Transport Profile, and
   Extensible Authentication Protocol specifications, this application
   specification satisfies typical network access services requirements.

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/rfc7155.

Copyright Notice

   Copyright (c) 2014 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.

Zorn                         Standards Track                    [Page 1]
RFC 7155                     Diameter NASREQ                  April 2014

Table of Contents

   1. Introduction ....................................................4
      1.1. Changes from RFC 4005 ......................................5
      1.2. Terminology ................................................6
      1.3. Requirements Language ......................................7
      1.4. Advertising Application Support ............................8
      1.5. Application Identification .................................8
      1.6. Accounting Model ...........................................8
   2. NAS Calls, Ports, and Sessions ..................................8
      2.1. Diameter Session Establishment .............................9
      2.2. Diameter Session Reauthentication or Reauthorization .......9
      2.3. Diameter Session Termination ..............................10
   3. Diameter NAS Application Messages ..............................11
      3.1. AA-Request (AAR) Command ..................................11
      3.2. AA-Answer (AAA) Command ...................................13
      3.3. Re-Auth-Request (RAR) Command .............................15
      3.4. Re-Auth-Answer (RAA) Command ..............................16
      3.5. Session-Termination-Request (STR) Command .................17
      3.6. Session-Termination-Answer (STA) Command ..................17
      3.7. Abort-Session-Request (ASR) Command .......................18
      3.8. Abort-Session-Answer (ASA) Command ........................19
      3.9. Accounting-Request (ACR) Command ..........................20
      3.10. Accounting-Answer (ACA) Command ..........................22
   4. Diameter NAS Application AVPs ..................................23
      4.1. Derived AVP Data Formats ..................................23
           4.1.1. QoSFilterRule ......................................23
      4.2. NAS Session AVPs ..........................................24
           4.2.1. Call and Session Information .......................24
           4.2.2. NAS-Port AVP .......................................25
           4.2.3. NAS-Port-Id AVP ....................................25
           4.2.4. NAS-Port-Type AVP ..................................26
           4.2.5. Called-Station-Id AVP ..............................26
           4.2.6. Calling-Station-Id AVP .............................26
           4.2.7. Connect-Info AVP ...................................27
           4.2.8. Originating-Line-Info AVP ..........................27
           4.2.9. Reply-Message AVP ..................................28
      4.3. NAS Authentication AVPs ...................................28
           4.3.1. User-Password AVP ..................................29

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