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RFC 9012
Title: The BGP Tunnel Encapsulation Attribute
Author: K. Patel,
G. Van de Velde,
S. Sangli,
J. Scudder
Status: Standards Track
Stream: IETF
Date: April 2021
Mailbox: [email protected],
[email protected],
[email protected],
[email protected]
Pages: 41
Obsoletes: RFC 5512, RFC 5566
Updates: RFC 5640
I-D Tag: draft-ietf-idr-tunnel-encaps-22.txt
URL: https://www.rfc-editor.org/info/rfc9012
DOI: 10.17487/RFC9012
This document defines a BGP path attribute known as the "Tunnel
Encapsulation attribute", which can be used with BGP UPDATEs of
various Subsequent Address Family Identifiers (SAFIs) to provide
information needed to create tunnels and their corresponding
encapsulation headers. It provides encodings for a number of tunnel
types, along with procedures for choosing between alternate tunnels
and routing packets into tunnels.
This document obsoletes RFC 5512, which provided an earlier
definition of the Tunnel Encapsulation attribute. RFC 5512 was never
deployed in production. Since RFC 5566 relies on RFC 5512, it is
likewise obsoleted. This document updates RFC 5640 by indicating that
the Load-Balancing Block sub-TLV may be included in any Tunnel
Encapsulation attribute where load balancing is desired.
This document is a product of the Inter-Domain Routing Working Group of the
IETF.
This is now a Proposed Standard.
STANDARDS TRACK: This document specifies an Internet Standards Track
protocol for the Internet community, and requests discussion and suggestions
for improvements. Please refer to the current edition of the Official
Internet Protocol Standards (https://www.rfc-editor.org/standards) for the
standardization state and status of this protocol. Distribution of this
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