RFC 3063 · EXPERIMENTAL · 2001
SUN · 14 JUN 2026
MPLS Loop Prevention Mechanism
Overview
RFC 3063, “MPLS Loop Prevention Mechanism”, is an Experimental document published in February 2001 by Y. Ohba, Y. Katsube, E. Rosen, P. Doolan. The canonical text is published by the RFC Editor.
Abstract
This paper presents a simple mechanism, based on "threads", which can be used to prevent Multiprotocol Label Switching (MPLS) from setting up label switched path (LSPs) which have loops. This memo defines an Experimental Protocol for the Internet community.
What “Experimental” means
Describes a specification that is part of a research or development effort, published so the community can gain experience with it.
Read this RFC
The canonical text of RFC 3063 is hosted at rfc-editor.org. Available in TXT,HTML.
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