RFC 1661 · INTERNET STANDARD · 1994
SUN · 14 JUN 2026
The Point-to-Point Protocol
Overview
RFC 1661, “The Point-to-Point Protocol”, is an Internet Standard document published in July 1994 by W. Simpson. It obsoletes RFC 1548. It has since been updated by RFC 2153. The canonical text is published by the RFC Editor.
Abstract
This document defines the PPP organization and methodology, and the PPP encapsulation, together with an extensible option negotiation mechanism which is able to negotiate a rich assortment of configuration parameters and provides additional management functions. [STANDARDS-TRACK]
What “Internet Standard” means
A mature, widely-implemented specification that has completed the full IETF standards process — the highest maturity level on the standards track.
Read this RFC
The canonical text of RFC 1661 is hosted at rfc-editor.org. Available in TXT,HTML.
Relationships to other RFCs
Other RFCs from 1994
- RFC 1660 Definitions of Managed Objects for Parallel-printer-like Hardware Devices using SMIv2
- RFC 1662 PPP in HDLC-like Framing
- RFC 1659 Definitions of Managed Objects for RS-232-like Hardware Devices using SMIv2
- RFC 1663 PPP Reliable Transmission
- RFC 1658 Definitions of Managed Objects for Character Stream Devices using SMIv2
- RFC 1664 Using the Internet DNS to Distribute RFC1327 Mail Address Mapping Tables
- RFC 1657 Definitions of Managed Objects for the Fourth Version of the Border Gateway Protocol using SMIv2
- RFC 1665 Definitions of Managed Objects for SNA NAUs using SMIv2