I-D Action: draft-ietf-mpls-lspping-norao-08.txt
[email protected] Fri, 01 Mar 2024 06:55:32 -0800
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Internet-Draft draft-ietf-mpls-lspping-norao-08.txt is now available. It is a
work item of the Multiprotocol Label Switching (MPLS) WG of the IETF.
Title: Deprecating the Use of Router Alert in LSP Ping
Authors: Kireeti Kompella
Ron Bonica
Greg Mirsky
Name: draft-ietf-mpls-lspping-norao-08.txt
Pages: 10
Dates: 2024-03-01
Abstract:
The MPLS echo request and MPLS echo response messages, defined in RFC
8029 "Detecting Multiprotocol Label Switched (MPLS) Data-Plane
Failures" (usually referred to as LSP ping messages), are
encapsulated in IP whose headers include a Router Alert Option (RAO).
In actual deployments, the RAO was neither required nor used.
Furthermore, RFC 6398 identifies security vulnerabilities associated
with the RAO in non-controlled environments, e.g., the case of using
the MPLS echo request/reply as inter-area Operations, Administration,
and Maintenance (OAM), and recommends against its use outside of
controlled environments.
Therefore, this document retires the RAO for MPLS OAM and updates RFC
8029 to remove the RAO from LSP ping message encapsulations.
Furthermore, this document explains why RFC 7506 has been
reclassified as Historic.
Also, the use of an IPv6 loopback address (::1/128) as the IPv6
destination address for an MPLS echo request message is RECOMMENDED.
The IETF datatracker status page for this Internet-Draft is:
https://datatracker.ietf.org/doc/draft-ietf-mpls-lspping-norao/
There is also an HTML version available at:
https://www.ietf.org/archive/id/draft-ietf-mpls-lspping-norao-08.html
A diff from the previous version is available at:
https://author-tools.ietf.org/iddiff?url2=draft-ietf-mpls-lspping-norao-08
Internet-Drafts are also available by rsync at:
rsync.ietf.org::internet-drafts