RFC 4821

Packetization Layer Path MTU Discovery, March 2007

Canonical URL:
https://www.rfc-editor.org/rfc/rfc4821.txt
File formats:
Plain TextPDF
Status:
PROPOSED STANDARD
Authors:
M. Mathis
J. Heffner
Stream:
IETF
Source:
pmtud (tsv)

Cite this RFC: TXT  |  XML

DOI:  10.17487/RFC4821

Discuss this RFC: Send questions or comments to iesg@ietf.org

Other actions: View Errata  |  Submit Errata  |  Find IPR Disclosures from the IETF


Abstract

This document describes a robust method for Path MTU Discovery (PMTUD) that relies on TCP or some other Packetization Layer to probe an Internet path with progressively larger packets. This method is described as an extension to RFC 1191 and RFC 1981, which specify ICMP-based Path MTU Discovery for IP versions 4 and 6, respectively. [STANDARDS-TRACK]


For the definition of Status, see RFC 2026.

For the definition of Stream, see RFC 4844.


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