RFC 3070 (rfc3070) - Page 1 of 7

Layer Two Tunneling Protocol (L2TP) over Frame Relay

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Network Working Group                                           V. Rawat
Request for Comments: 3070                             ONI Systems, Inc.
Category: Standards Track                                         R. Tio
                                                                S. Nanji
                                                  Redback Networks, Inc.
                                                                R. Verma
                                                     Deloitte Consulting
                                                           February 2001


          Layer Two Tunneling Protocol (L2TP) over Frame Relay

Status of this Memo

   This document specifies an Internet standards track protocol for the
   Internet community, and requests discussion and suggestions for
   improvements.  Please refer to the current edition of the "Internet
   Official Protocol Standards" (STD 1) for the standardization state
   and status of this protocol.  Distribution of this memo is unlimited.

Copyright Notice

   Copyright (C) The Internet Society (2001).  All Rights Reserved.

Abstract

   Layer Two Tunneling Protocol (L2TP) describes a mechanism to tunnel
   Point-to-Point (PPP) sessions.  The protocol has been designed to be
   independent of the media it runs over.  The base specification
   describes how it should be implemented to run over the User Datagram
   Protocol (UDP) and the Internet Protocol (IP).  This document
   describes how L2TP is implemented over Frame Relay Permanent Virtual
   Circuits (PVCs) and Switched Virtual Circuits (SVCs).

Applicability

   This specification is intended for those implementations which desire
   to use facilities which are defined for L2TP and  applies only to the
   use of Frame Relay pont-to-point circuits.

1.0 Introduction

   L2TP [1] defines a general purpose mechanism for tunneling PPP over
   various media.  By design, it insulates L2TP operation from the
   details of the media over which it operates.  The base protocol
   specification illustrates how L2TP may be used in IP environments.
   This document specifies the encapsulation of L2TP over native Frame
   Relay and addresses relevant issues.



Rawat, et al.               Standards Track
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