RFC 6793 - BGP Support for Four-Octet Autonomous System (AS) Number Space
Internet Engineering Task Force (IETF) Q. Vohra - Juniper Networks E. Chen - Cisco Systems December 2012
Category: Standards Track Obsoletes: RFC 4893 Updates: RFC 4271
Status of This Memo
This is an Internet Standards Track document.
This document is a product of the Internet Engineering Task Force (IETF). It represents the consensus of the IETF community. It has received public review and has been approved for publication by the Internet Engineering Steering Group (IESG). Further information on Internet Standards is available in Section 2 of RFC 5741.
Copyright Notice
Copyright (c) 2012 IETF Trust and the persons identified as the document authors. All rights reserved.
Abstract
The Autonomous System number is encoded as a two-octet entity in the base BGP specification. This document describes extensions to BGP to carry the Autonomous System numbers as four-octet entities. This document obsoletes RFC 4893 and updates RFC 4271.