RFC 5291 · PROPOSED STANDARD · 2008
SUN · 14 JUN 2026
Outbound Route Filtering Capability for BGP-4
Overview
RFC 5291, “Outbound Route Filtering Capability for BGP-4”, is a Proposed Standard document published in August 2008 by E. Chen, Y. Rekhter. The canonical text is published by the RFC Editor.
Abstract
This document defines a BGP-based mechanism that allows a BGP speaker to send to its BGP peer a set of Outbound Route Filters (ORFs) that the peer would use to constrain/filter its outbound routing updates to the speaker. [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 5291 is hosted at rfc-editor.org. Available in TXT,HTML.
Other RFCs from 2008
- RFC 5290 Comments on the Usefulness of Simple Best-Effort Traffic
- RFC 5292 Address-Prefix-Based Outbound Route Filter for BGP-4
- RFC 5289 TLS Elliptic Curve Cipher Suites with SHA-256/384 and AES Galois Counter Mode
- RFC 5293 Sieve Email Filtering: Editheader Extension
- RFC 5288 AES Galois Counter Mode Cipher Suites for TLS
- RFC 5294 Host Threats to Protocol Independent Multicast
- RFC 5287 Control Protocol Extensions for the Setup of Time-Division Multiplexing Pseudowires in MPLS Networks
- RFC 5295 Specification for the Derivation of Root Keys from an Extended Master Session Key