RFC 2890 · PROPOSED STANDARD · 2000
MON · 27 JUL 2026
Key and Sequence Number Extensions to GRE
Overview
RFC 2890, “Key and Sequence Number Extensions to GRE”, is a Proposed Standard document published in September 2000 by G. Dommety. It updates RFC 2784. The canonical text is published by the RFC Editor.
Abstract
This document describes extensions by which two fields, Key and Sequence Number, can be optionally carried in the GRE Header. [STANDARDS-TRACK]
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 2890 is hosted at rfc-editor.org. Available in TXT,HTML.
Relationships to other RFCs
Other RFCs from 2000
- RFC 2889 Benchmarking Methodology for LAN Switching Devices
- RFC 2891 LDAP Control Extension for Server Side Sorting of Search Results
- RFC 2888 Secure Remote Access with L2TP
- RFC 2892 The Cisco SRP MAC Layer Protocol
- RFC 2887 The Reliable Multicast Design Space for Bulk Data Transfer
- RFC 2893 Transition Mechanisms for IPv6 Hosts and Routers
- RFC 2886 Megaco Errata
- RFC 2894 Router Renumbering for IPv6