RFC 2882 (rfc2882) - Page 1 of 16

Network Access Servers Requirements: Extended RADIUS Practices

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Network Working Group                                           D. Mitton
Request for Comments: 2882                                Nortel Networks
Category: Informational                                         July 2000


                  Network Access Servers Requirements:
                       Extended RADIUS Practices

Status of this Memo

   This memo provides information for the Internet community.  It does
   not specify an Internet standard of any kind.  Distribution of this
   memo is unlimited.

Copyright Notice

   Copyright (C) The Internet Society (2000).  All Rights Reserved.

Abstract

   This document describes current practices implemented in NAS products
   that go beyond the scope of the RADIUS RFCs 2138, 2139 [1,2]. The
   purpose of this effort is to give examples that show the need for
   addressing and standardizing these types of ad-hoc functions.  Since
   many of these features require a matching server support component,
   the ability to deploy and manage interoperable NAS and AAA server
   products is severely hindered.

   These practices are documented here to show functions that are
   obviously desired in developing future AAA protocols for NAS
   deployment.

Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . .  2
   1.1.  Disclaimers . . . . . . . . . . . . . . . . . . . . . . .  3
   1.2.  Presentation  . . . . . . . . . . . . . . . . . . . . . .  3
   2.  Attribute Usage . . . . . . . . . . . . . . . . . . . . . .  3
   2.1. Attribute Conflicts  . . . . . . . . . . . . . . . . . . .  4
   2.2. Attribute Value Conflicts  . . . . . . . . . . . . . . . .  4
   2.2.1 Vendor Specific Enumerations Proposal . . . . . . . . . .  4
   2.3   Vendor Specific Attribute Usage . . . . . . . . . . . . .  5
   2.3.1 VSAs in use by clients: . . . . . . . . . . . . . . . . .  5
   2.3.2 Clients that support multiple Vendors:  . . . . . . . . .  5
   3.  Attribute Data Types  . . . . . . . . . . . . . . . . . . .  6
   4.  New Messages  . . . . . . . . . . . . . . . . . . . . . . .  7
   5.  Additional Functions  . . . . . . . . . . . . . . . . . . .  7
   5.1 Password Change   . . . . . . . . . . . . . . . . . . . . .  8



Mitton                       Informational
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