Path MTU Discovery for IP version 6

Document Type Replaced Internet-Draft (6man WG)
Authors Jack McCann  , Steve Deering , Jeffrey Mogul 
Last updated 2016-03-16 (latest revision 2015-12-01)
Replaced by RFC 8201
Stream Internet Engineering Task Force (IETF)
Intended RFC status Internet Standard
Expired & archived
plain text pdf htmlized bibtex
Stream WG state Adopted by a WG
Document shepherd No shepherd assigned
IESG IESG state Replaced by draft-ietf-6man-rfc1981bis
Consensus Boilerplate Yes
Telechat date
Responsible AD (None)
Send notices to (None)

This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


This document describes Path MTU Discovery for IP version 6. It is largely derived from RFC 1191, which describes Path MTU Discovery for IP version 4. It obsoletes RFC1981.


Jack McCann
Steve Deering
Jeffrey Mogul

(Note: The e-mail addresses provided for the authors of this Internet-Draft may no longer be valid.)