RFC 1331 · PROPOSED STANDARD · 1992

The Point-to-Point Protocol for the Transmission of Multi- protocol Datagrams over Point-to-Point Links

Overview

RFC 1331, “The Point-to-Point Protocol for the Transmission of Multi- protocol Datagrams over Point-to-Point Links”, is a Proposed Standard document published in May 1992 by W. Simpson. It obsoletes RFC 1171, RFC 1172. It has been obsoleted by RFC 1548 — refer to the newer document for the authoritative version. The canonical text is published by the RFC Editor.

Abstract

This document defines the PPP encapsulation scheme, together with the PPP Link Control Protocol (LCP), an extensible option negotiation protocol which is able to negotiate a rich assortment of configuration parameters and provides additional management functions. [STANDARDS-TRACK]

Abstract as published in the RFC, via rfc-editor.org.

What “Proposed Standard” means

An entry-level standards-track specification: stable, peer-reviewed and a solid basis for implementation, though it may still evolve before becoming an Internet Standard.

Read this RFC

The canonical text of RFC 1331 is hosted at rfc-editor.org. Available in TXT,HTML.

Relationships to other RFCs
This RFC obsoletes
RFC 1171 RFC 1172
Obsoleted by
RFC 1548
Other RFCs from 1992

Who Is Online

In total there are 340 users online: 0 registered, 330 guests and 10 bots.

Most users ever online was 5,555 on 17 Jul 2026, 3:23 am.

Bots: AhrefsBot Applebot Baiduspider Bingbot Googlebot Other Bot Other Crawler Other Spider PetalBot SemrushBot

Users active in the past 15 minutes. Total registered members: 372