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Title: RFC 4893 - BGP Support for Four-octet AS Number Space

Open Graph Title: RFC 4893: BGP Support for Four-octet AS Number Space

Description: BGP Support for Four-octet AS Number Space (RFC 4893, ; obsoleted by RFC 6793)

Open Graph Description: Currently the Autonomous System (AS) number is encoded as a two-octet entity in BGP. This document describes extensions to BGP to carry the Autonomous System number as a four-octet entity. [STANDARDS-TRACK]

Mail addresses
qv@nuovasystems.com
enchen@paloaltonetworks.com
rfc4893@ietf.org?subject=rfc4893
qv@nuovasystems.com
enchen@paloaltonetworks.com
rfc4893@ietf.org?subject=rfc4893

Opengraph URL: https://datatracker.ietf.org/doc/html/rfc4893

direct link

Domain: datatracker.ietf.org

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og:site_nameIETF Datatracker
og:typearticle
og:imagehttps://static.ietf.org/dt/12.67.1/ietf/images/ietf-logo-card.png
og:image:altLogo of the IETF
article:sectionIETF - Internet Engineering Task Force
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twitter:cardsummary_large_image
article:authorEnke Chen

Links:

RFC 4893 Proposed Standard https://datatracker.ietf.org/doc/rfc4893/
Report errata https://www.rfc-editor.org/errata.php#reportnew
RFC 6793https://datatracker.ietf.org/doc/html/rfc6793
draft-ietf-idr-as4byteshttps://datatracker.ietf.org/doc/draft-ietf-idr-as4bytes/13/
idr WGhttps://datatracker.ietf.org/wg/idr/about/
13 https://datatracker.ietf.org/doc/html/draft-ietf-idr-as4bytes-13
RFC 4893 https://datatracker.ietf.org/doc/html/rfc4893
Q. Vohrahttps://datatracker.ietf.org/person/qv@nuovasystems.com
E. Chenhttps://datatracker.ietf.org/person/enchen@paloaltonetworks.com
txt https://www.rfc-editor.org/rfc/rfc4893.txt
html https://www.rfc-editor.org/rfc/rfc4893.html
bibtex https://datatracker.ietf.org/doc/rfc4893/bibtex/
Mailing list discussion https://mailarchive.ietf.org/arch/browse/idr/?q=rfc4893 OR %22draft-ietf-idr-as4bytes%22
Report a bug https://github.com/ietf-tools/datatracker/issues/new/choose
1https://datatracker.ietf.org/doc/html/rfc4893#section-1
BGPhttps://datatracker.ietf.org/doc/html/rfc4893#ref-BGP
RFC 4893https://datatracker.ietf.org/doc/html/rfc4893
2https://datatracker.ietf.org/doc/html/rfc4893#section-2
RFC2119https://datatracker.ietf.org/doc/html/rfc2119
3https://datatracker.ietf.org/doc/html/rfc4893#section-3
RFC2842https://datatracker.ietf.org/doc/html/rfc2842
RFC3065https://datatracker.ietf.org/doc/html/rfc3065
RFC 4893https://datatracker.ietf.org/doc/html/rfc4893
4https://datatracker.ietf.org/doc/html/rfc4893#section-4
4.1https://datatracker.ietf.org/doc/html/rfc4893#section-4.1
4.2https://datatracker.ietf.org/doc/html/rfc4893#section-4.2
4.2.1https://datatracker.ietf.org/doc/html/rfc4893#section-4.2.1
RFC 4893https://datatracker.ietf.org/doc/html/rfc4893
4.2.2https://datatracker.ietf.org/doc/html/rfc4893#section-4.2.2
4.2.3https://datatracker.ietf.org/doc/html/rfc4893#section-4.2.3
RFC 4893https://datatracker.ietf.org/doc/html/rfc4893
Section 9.1.2.2https://datatracker.ietf.org/doc/html/rfc4893#section-9.1.2.2
BGPhttps://datatracker.ietf.org/doc/html/rfc4893#ref-BGP
RFC3065https://datatracker.ietf.org/doc/html/rfc3065
RFC 4893https://datatracker.ietf.org/doc/html/rfc4893
5https://datatracker.ietf.org/doc/html/rfc4893#section-5
RFC1997https://datatracker.ietf.org/doc/html/rfc1997
AS-EXT-COMhttps://datatracker.ietf.org/doc/html/rfc4893#ref-AS-EXT-COM
6https://datatracker.ietf.org/doc/html/rfc4893#section-6
RFC 4893https://datatracker.ietf.org/doc/html/rfc4893
7https://datatracker.ietf.org/doc/html/rfc4893#section-7
RFC 2842https://datatracker.ietf.org/doc/html/rfc2842
RFC 4893https://datatracker.ietf.org/doc/html/rfc4893
8https://datatracker.ietf.org/doc/html/rfc4893#section-8
9https://datatracker.ietf.org/doc/html/rfc4893#section-9
10https://datatracker.ietf.org/doc/html/rfc4893#section-10
RFC 4271https://datatracker.ietf.org/doc/html/rfc4271
RFC 1997https://datatracker.ietf.org/doc/html/rfc1997
RFC 3392https://datatracker.ietf.org/doc/html/rfc3392
RFC 3065https://datatracker.ietf.org/doc/html/rfc3065
BCP 14https://datatracker.ietf.org/doc/html/bcp14
RFC 2119https://datatracker.ietf.org/doc/html/rfc2119
11https://datatracker.ietf.org/doc/html/rfc4893#section-11
RFC 4893https://datatracker.ietf.org/doc/html/rfc4893
RFC 4893https://datatracker.ietf.org/doc/html/rfc4893
BCP 78https://datatracker.ietf.org/doc/html/bcp78
BCP 78https://datatracker.ietf.org/doc/html/bcp78
BCP 79https://datatracker.ietf.org/doc/html/bcp79
http://www.ietf.org/iprhttp://www.ietf.org/ipr
Datatrackerhttps://datatracker.ietf.org/doc/rfc4893/
Report errata https://www.rfc-editor.org/errata.php#reportnew
RFC 6793https://datatracker.ietf.org/doc/html/rfc6793
draft-ietf-idr-as4byteshttps://datatracker.ietf.org/doc/draft-ietf-idr-as4bytes/13/
idr WGhttps://datatracker.ietf.org/wg/idr/about/
13 https://datatracker.ietf.org/doc/html/draft-ietf-idr-as4bytes-13
RFC 4893 https://datatracker.ietf.org/doc/html/rfc4893
Q. Vohrahttps://datatracker.ietf.org/person/qv@nuovasystems.com
E. Chenhttps://datatracker.ietf.org/person/enchen@paloaltonetworks.com
txt https://www.rfc-editor.org/rfc/rfc4893.txt
html https://www.rfc-editor.org/rfc/rfc4893.html
bibtex https://datatracker.ietf.org/doc/rfc4893/bibtex/
Mailing list discussion https://mailarchive.ietf.org/arch/browse/idr/?q=rfc4893 OR %22draft-ietf-idr-as4bytes%22
Report a datatracker bug https://github.com/ietf-tools/datatracker/issues/new/choose

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