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The PPP OSI Network Layer Control Protocol (OSINLCP) (RFC1377)

IP.com Disclosure Number: IPCOM000002201D
Original Publication Date: 1992-Nov-01
Included in the Prior Art Database: 2019-Feb-11
Document File: 10 page(s) / 14K

Publishing Venue

Internet Society Requests For Comment (RFCs)

Related People

D. Katz: AUTHOR

Related Documents

10.17487/RFC1377: DOI

Abstract

This document defines the NCP for establishing and configuring OSI Network Layer Protocols. [STANDARDS-TRACK]

This text was extracted from a PDF file.
This is the abbreviated version, containing approximately 16% of the total text.

Network Working Group D. Katz Request for Comments: 1377 cisco November 1992

The PPP OSI Network Layer Control Protocol (OSINLCP)

Status of this Memo

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

Abstract

The Point-to-Point Protocol (PPP) [1] provides a standard method of encapsulating Network Layer protocol information over point-to-point links. PPP also defines an extensible Link Control Protocol, and proposes a family of Network Control Protocols (NCPs) for establishing and configuring different network-layer protocols.

This document defines the NCP for establishing and configuring OSI Network Layer Protocols.

This memo is the product of the Point-to-Point Protocol Working Group of the Internet Engineering Task Force (IETF). Comments on this memo should be submitted to the ietf-ppp@ucdavis.edu mailing list.

Table of Contents

1. Introduction .......................................... 2 1.1 OSI Network Layer Protocols over PPP .................. 2 2. A PPP Network Control Protocol (NCP) for OSI .......... 5 2.1 Sending OSI NPDUs ..................................... 6 2.2 NPDU Alignment ........................................ 6 2.3 Network Layer Addressing Information .................. 6 3. OSINLCP Configuration Options ......................... 7 3.1 Align-NPDU ............................................ 7 REFERENCES ................................................... 9 ACKNOWLEDGEMENTS ............................................. 9 SECURITY CONSIDERATIONS ...................................... 10 CHAIR’S ADDRESS .............................................. 10 AUTHOR’S ADDRESS ............................................. 10

Katz [Page 1]

RFC 1377 PPP OSINLCP November 1992

1. Introduction

PPP has three main components:

1. A method for encapsulating datagrams over serial links.

2. A Link Control Protocol (LCP) for establishing, configuring, and testing the data-link connection.

3. A family of Network Control Protocols (NCPs) for establishing and configuring different network-layer protocols.

In order to establish communications over a point-to-point link, each end of the PPP link must first send LCP packets to configure and test the data link. After the link has been established and optional facilities have been negotiated as needed by the LCP, PPP must send NCP packets to choose and configure one or more network-layer protocols. Once each of the chosen network-layer protocols has been configured, datagrams from each network-layer protocol can be sent over the link.

The link will remain configured for communications until explicit LCP or NCP packets close the link down, or until some external event occurs (an inactivity timer expires or network administrator intervention). ...

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