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RFC 8690
Title: Clarification of Segment ID Sub-TLV
Length for RFC 8287
Author: N. Nainar,
C. Pignataro,
F. Iqbal,
A. Vainshtein
Status: Standards Track
Stream: IETF
Date: December 2019
Mailbox: [email protected],
[email protected],
[email protected],
[email protected]
Pages: 7
Updates: RFC 8287
I-D Tag: draft-ietf-mpls-rfc8287-len-clarification-04.txt
URL: https://www.rfc-editor.org/info/rfc8690
DOI: 10.17487/RFC8690
RFC 8287 defines the extensions to perform LSP Ping and Traceroute
for Segment Routing IGP-Prefix and IGP-Adjacency Segment Identifiers
(SIDs) with the MPLS data plane. RFC 8287 proposes three Target
Forwarding Equivalence Class (FEC) Stack sub-TLVs. While RFC 8287
defines the format and procedure to handle those sub-TLVs, it does
not sufficiently clarify how the length of the Segment ID sub-TLVs
should be computed to be included in the Length field of the
sub-TLVs. This ambiguity has resulted in interoperability issues.
This document updates RFC 8287 by clarifying the length of each of
the Segment ID sub-TLVs defined in RFC 8287.
This document is a product of the Multiprotocol Label Switching 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
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