metasystema.org
CurrentPROPOSED STANDARDIETF stream

RFC 5332: MPLS Multicast Encapsulations

In plain English — editorial summary, not part of the RFC

RFC 3032 established two data link layer codepoints for MPLS, used to distinguish whether the data link layer frame is carrying an MPLS unicast or an MPLS multicast packet. However, this usage was never deployed. This specification updates RFC 3032 by redefining the meaning of these two codepoints. Both codepoints can now be used to carry multicast packets. The second codepoint (formerly the "multicast codepoint") is now to be used only on multiaccess media, and it is to mean "the top label of the following label stack is an upstream-assigned label". RFC 3032 does not specify the destination address to be placed in the "MAC DA" (Medium Access Layer Destination Address) field of an ethernet frame that carries an MPLS multicast packet. This document provides that specification. This document updates RFC 3032 and RFC 4023. [STANDARDS-TRACK]

Document record

Document ID
RFC5332
Published
August 2008
Authors
T. Eckert; E. Rosen; R. Aggarwal; Y. Rekhter
Status
PROPOSED STANDARD
Stream
IETF
Area
rtg
Pages
11
Also known as
—
Updates:
RFC 3032, RFC 4023

Topics

Related documents

Ranked automatically by shared keywords, IETF area and stream — not by editorial selection.

Also filed under

About this page

The document record above — title, authors, date, status, stream, area, relationships, DOI and errata — is imported verbatim from the public RFC Editor index. The “in plain English” section is editorial: written by The metasystema editorial team, not part of the RFC. Where the two differ, the RFC text governs.

Last checked against the RFC Editor index on . RFCs are never revised after publication; changes are issued as new documents.

Data sources · Editorial policy · Report a correction · What is an RFC?

canonical URL: /rfc/5332-mpls-multicast-encapsulations