RFC 5123 · INFORMATIONAL · 2008
SUN · 14 JUN 2026
Considerations in Validating the Path in BGP
Overview
RFC 5123, “Considerations in Validating the Path in BGP”, is an Informational document published in February 2008 by R. White, B. Akyol. The canonical text is published by the RFC Editor.
Abstract
This document examines the implications of hop-by-hop forwarding, route aggregation, and route filtering on the concept of validation within a BGP Autonomous System (AS) Path. This memo provides information for the Internet community.
What “Informational” means
Published for the general information of the community. It does not define an IETF standard and carries no standards-track status.
Read this RFC
The canonical text of RFC 5123 is hosted at rfc-editor.org. Available in TXT,HTML.
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