File formats:

Also available: XML file for editing

 

Status:

PROPOSED STANDARD

Updates:

RFC 4928

Authors:

K. Kompella
S. Bryant
M. Bocci
G. Mirsky, Ed.
L. Andersson
J. Dong

Stream:

IETF

Source:

mpls (rtg)

Cite this RFC: TXT  |  XML  |   BibTeX

DOI:  https://doi.org/10.17487/RFC9790

Discuss this RFC: Send questions or comments to the mailing list mpls@ietf.org

Other actions: Submit Errata  |  Find IPR Disclosures from the IETF  |  View History of RFC 9790

Abstract

This document creates a new IANA registry (called the "Post-Stack First Nibble" registry) for the first nibble (4-bit field) immediately following an MPLS label stack. Furthermore, this document presents some requirements for registering new values and making the processing of MPLS packets easier and more robust.

The relationship between the IANA "Post-Stack First Nibble" registry and the "IP Version Numbers" registry (RFC 2780) is described in this document.

This document updates RFC 4928 by deprecating the heuristic method for identifying the type of packet encapsulated in MPLS.

For the definition of Status, see RFC 2026.

For the definition of Stream, see RFC 8729.