RFC 7607 · PROPOSED STANDARD · 2015
SUN · 14 JUN 2026
Codification of AS 0 Processing
Overview
RFC 7607, “Codification of AS 0 Processing”, is a Proposed Standard document published in August 2015 by W. Kumari, R. Bush, H. Schiller, K. Patel. It updates RFC 4271. The canonical text is published by the RFC Editor.
Abstract
This document updates RFC 4271 and proscribes the use of Autonomous System (AS) 0 in the Border Gateway Protocol (BGP) OPEN, AS_PATH, AS4_PATH, AGGREGATOR, and AS4_AGGREGATOR attributes in the BGP UPDATE message.
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 7607 is hosted at rfc-editor.org. Available in TXT,HTML.
Relationships to other RFCs
Other RFCs from 2015
- RFC 7606 Revised Error Handling for BGP UPDATE Messages
- RFC 7608 IPv6 Prefix Length Recommendation for Forwarding
- RFC 7605 Recommendations on Using Assigned Transport Port Numbers
- RFC 7609 IBM's Shared Memory Communications over RDMA Protocol
- RFC 7604 Comparison of Different NAT Traversal Techniques for Media Controlled by the Real-Time Streaming Protocol
- RFC 7610 DHCPv6-Shield: Protecting against Rogue DHCPv6 Servers
- RFC 7603 Energy Management Applicability Statement
- RFC 7611 BGP ACCEPT_OWN Community Attribute