ISO/IEC/IEEE 8802-1Q:2020
(Main)Telecommunications and exchange between information technology systems — Requirements for local and metropolitan area networks — Part 1Q: Bridges and bridged networks
Telecommunications and exchange between information technology systems — Requirements for local and metropolitan area networks — Part 1Q: Bridges and bridged networks
This document specifies Bridges that interconnect individual LANs, each supporting the IEEE 802 MAC Service using a different or identical media access control method, to provide Bridged Networks and VLANs.
Télécommunications et échange entre systèmes informatiques — Exigences pour les réseaux locaux et métropolitains — Partie 1Q: Ponts et réseaux pontés
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INTERNATIONAL ISO/IEC/
STANDARD IEEE
8802-1Q
Second edition
2020-08
Telecommunications and exchange
between information technology
systems — Requirements for local and
metropolitan area networks —
Part 1Q:
Bridges and bridged networks
Télécommunications et échange entre systèmes informatiques —
Exigences pour les réseaux locaux et métropolitains —
Partie 1Q: Ponts et réseaux pontés
Reference number
ISO/IEC/IEEE 8802-1Q:2020(E)
©
IEEE 2018
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ISO/IEC/IEEE 8802-1Q:2020(E)
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ISO/IEC/IEEE 8802-1Q:2020(E)
Foreword
ISO (the International Organization for Standardization) and IEC (the International Electrotechnical
Commission) form the specialized system for worldwide standardization. National bodies that are
members of ISO or IEC participate in the development of International Standards through technical
committees established by the respective organization to deal with particular fields of technical activity.
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The procedures used to develop this document and those intended for its further maintenance are
described in the ISO/IEC Directives, Part 1. In particular, the different approval criteria needed for the
different types of ISO documents should be noted (see www.iso.org/directives).
IEEE Standards documents are developed within the IEEE Societies and the Standards Coordinating
Committees of the IEEE Standards Association (IEEE-SA) Standards Board. The IEEE develops its
standards through a consensus development process, approved by the American National Standards
Institute, which brings together volunteers representing varied viewpoints and interests to achieve the
final product. Volunteers are not necessarily members of the Institute and serve without compensation.
While the IEEE administers the process and establishes rules to promote fairness in the consensus
development process, the IEEE does not independently evaluate, test, or verify the accuracy of any of the
information contained in its standards.
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. ISO and IEC shall not be held responsible for identifying any or all such patent rights. Details
of any patent rights identified during the development of the document will be in the Introduction and/or
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see www.iso.org/iso/foreword.html.
ISO/IEC/IEEE 8802-1Q was prepared by the LAN/MAN of the IEEE Computer Society (as IEEE Std 802.1Q-
2018) and drafted in accordance with its editorial rules. It was adopted, under the “fast-track procedure”
defined in the Partner Standards Development Organization cooperation agreement between ISO and
IEEE, by Joint Technical Committee ISO/IEC JTC 1, Information technology, Subcommittee SC 6,
Telecommunications and information exchange between systems.
This second edition cancels and replaces the first edition (ISO/IEC/IEEE 8802-1Q:2016), which has
been technically revised. It also incorporates the Amendments ISO/IEC/IEEE 8802-1Q:2016/
Amd.1:2017, ISO/IEC/IEEE 8802-1Q:2016/Amd.2:2018, ISO/IEC/IEEE 8802-1Q:2016/Amd.3:2017,
ISO/IEC/IEEE 8802-1Q:2016/Amd.4:2017, ISO/IEC/IEEE 8802-1Q:2016/Amd.5:2017, ISO/IEC/IEEE
8802-1Q:2016/Amd.6:2019, ISO/IEC/IEEE 8802-1Q:2016/Amd.7:2019 and the Corrigendum
ISO/IEC/IEEE 8802-1Q:2016/Cor.1:2017.
A list of all parts in the ISO/IEC/IEEE 8802 series can be found on the ISO website.
Any feedback or questions on this document should be directed to the user’s national standards body. A
complete listing of these bodies can be found at www.iso.org/members.html.
© IEEE 2018 - All rights reserved
iii
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IEEE Std 802.1Q™-2018
(Revision of
IEEE Std 802.1Q-2014)
IEEE Standard for
Local and Metropolitan Area Networks—
Bridges and Bridged Networks
Sponsor
LAN/MAN Standards Committee
of the
IEEE Computer Society
Approved 7 May 2018
IEEE-SA Standards Board
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ISO/IEC/IEEE 8802-1Q:2020(E)
Abstract: This standard specifies how the Media Access Control (MAC) Service is supported by
Bridged Networks, the principles of operation of those networks, and the operation of MAC Bridge s
and VLAN Bridges, including management, protocols, and algorithms.
Keywords: Bridged Network, IEEE 802.1Q™, LAN, local area network, MAC Bridge, metropolitan
area network, MSTP, Multiple Spanning Tree Protocol, Rapid Spanning Tree Protocol, RSTP, PBN,
Provider Bridged Network, Shortest Path Bridging Protocol, SPB Protocol, Time-Sensitive
Networking, TSN, Virtual Bridged Network, virtual LAN, VLAN Bridge
The Institute of Electrical and Electronics Engineers, Inc.
3 Park Avenue, New York, NY 10016-5997, USA
Copyright © 2018 by The Institute of Electrical and Electronics Engineers, Inc.
All rights reserved. Published 6 July 2018. Printed in the United States of America.
IEEE and IEEE 802 are registered trademarks in the U.S. Patent & Trademark Office, owned by The Institute of Electrical and Electronics
Engineers, Incorporated.
PDF: ISBN 978-1-5044-4929-8 STD23139
Print: ISBN 978-1-5044-4930-4 STDPD23139
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ISO/IEC/IEEE 8802-1Q:2020(E)
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ISO/IEC/IEEE 8802-1Q:2020(E)
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ISO/IEC/IEEE 8802-1Q:2020(E)
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ISO/IEC/IEEE 8802-1Q:2020(E)
Participants
At the time this standard was submitted to the IEEE-SA Standards Board for approval, the IEEE 802.1
Working Group had the following membership:
Glenn Parsons, Chair
John Messenger, Vice Chair, Chair of Maintenance Task Group, Editor
Craig Gunther
Ralf Assmann Karen Randall
Shenghua Bao Marina Gutierrez Maximilian Riegel
Gordon Bechtel Stephen Haddock Jessy Rouyer
Jens Bierschenk Mark Hantel Soheil Samii
Steinar Bjornstad Marc Holness Atsushi Sato
Christian Boiger Lokesh Kabra Frank Schewe
Paul Bottorff Michael Karl Mick Seaman
Stephan Kehrer
Radhakrishna Canchi Johannes Specht
David Chen Hajime Koto Patricia Thaler
Feng Chen Yizhou Li Paul Unbehagen
Weiying Cheng Christophe Mangin Hao Wang
Scott Mansfield Tongtong Wang
Paul Congdon
Rodney Cummings James McIntosh Xinyuan Wang
Hesham Elbakoury Robert Moskowitz Karl Weber
János Farkas Tero Mustala Brian Weis
Norman Finn Tomoki Ohsawa Jordon Woods
Mickael Fontaine Donald R. Pannell Takahiro Yamaura
Geoffrey Garner Walter Pienciak Xiang Yu
Michael Potts
Eric W. Gray Nader Zein
Wei Qiu
The following members of the individual balloting committee voted on this standard. Balloters may have
voted for approval, disapproval, or abstention.
Thomas Alexander Mark Hantel John Messenger
Butch Anton Marco Hernandez Michael Montemurro
Guido Hiertz
Stefan Aust Charles Moorwood
Gordon Bechtel Werner Hoelzl Michael Newman
Harry Bims Rita Horner Nicks A. Nikjoo
Steinar Bjørnstad David Hunter Paul Nikolich
Christian Boiger C. Huntley Robert O’Hara
Nancy Bravin Noriyuki Ikeuchi Satoshi Obara
Demetrio Bucaneg Sergiu Iordanescu Bansi Patel
Osamu Ishida
William Byrd Arumugam Paventhan
Juan Carreon Atsushi Ito Clinton Powell
David Chalupsky Raj Jain Alon Regev
Keith Chow Tony Jeffree Maximilian Riegel
Sangkwon Jeong
Charles Cook Robert Robinson
Rodney Cummings Piotr Karocki Reinhard Schrage
Patrick Diamond Stuart Kerry Mick Seaman
Richard Doyle Yongbum Kim Takeshi Shimizu
Sourav Dutta Jeff Koftinoff Veselin Skendzic
Donald Eastlake Jouni Korhonen Daniel Smith
János Farkas Hyeong Ho Lee Thomas Starai
John Lemon
Norman Finn Walter Struppler
Michael Fischer James Lepp Mark-Rene Uchida
Avraham Freedman Jon Lewis Lorenzo Vangelista
Matthias Fritsche Arthur H. Light George Vlantis
Elvis Maculuba Khurram Waheed
Yukihiro Fujimoto
Eric W. Gray Roger Marks Stephen Webb
Randall Groves Arthur Marris Karl Weber
Michael Gundlach Jeffery Masters Andreas Wolf
Craig Gunther Brett McClellan Michael D. Wright
Stephen Haddock Michael McInnis Oren Yuen
Mark Hamilton Richard Mellitz Zhen Zhou
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ISO/IEC/IEEE 8802-1Q:2020(E)
When the IEEE-SA Standards Board approved this standard on 7 May 2018, it had the following
membership:
Jean-Philippe Faure, Chair
Gary Hoffman, Vice Chair
John D. Kulick, Past Chair
Konstantinos Karachalios, Secretary
Ted Burse Xiaohui Liu Robby Robson
Guido R. Hiertz Kevin Lu Dorothy Stanley
Christel Hunter Mehmet Ulema
Daleep Mohla
Joseph L. Koepfinger* Andrew Myles Phil Wennblom
Thomas Koshy Paul Nikolich Philip Winston
Howard Wolfman
Hung Ling Ronald C. Petersen
Annette D. Reilly Jingyi Zhou
Dong Liu
*Member Emeritus
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ISO/IEC/IEEE 8802-1Q:2020(E)
Historical participants
Since the initial publication, many IEEE standards have added functionality or provided updates to material
included in this standard. The following is a historical list of participants who have dedicated their valuable
time, energy, and knowledge to the creation of this material:
Officers at the time of
IEEE 802.1Q Standard Date approved by IEEE
Working Group Letter Ballot
William P. Lidinsky, Chair
8 December 1998
IEEE Std 802.1Q-1998
Mick Seaman, Chair, Interworking Task
Group
Tony Jeffree, Coordinating Editor
Anil Rijsinghani, Richard Hausmann,
Michele Wright, Paul Langille,
P. J. Singh, Editorial Team
Tony Jeffree, Chair
17 March 2001
IEEE Std 802.1u-2001
Neil Jarvis, Vice Chair
Mick Seaman, Chair, Interworking Task
Group
Tony Jeffree, Chair
17 March 2001
IEEE Std 802.1v-2001
Neil Jarvis, Vice Chair
Mick Seaman, Chair, Interworking Task
Group
David Delany, Editor
Andrew Smith, Editor
Tony Jeffree, Chair
11 December 2002
IEEE Std 802.1s-2002
Neil Jarvis, Vice Chair
Mick Seaman, Chair, Interworking Task
Group
Norman W. Finn, Editor
Tony Jeffree, Chair
28 March 2005
IEEE Std 802.1ad-2005
Paul Congdon, Vice Chair
Mick Seaman, Chair, Interworking Task
Group
Stephen R. Haddock, Editor
Tony Jeffree, Chair and Editor
7 December 2005
IEEE Std 802.1Q-2005
Paul Congdon, Vice Chair
Mick Seaman, Chair, Interworking Task
Group
Tony Jeffree, Chair and Editor
22 March 2007
IEEE Std 802.1ak-2007
Paul Congdon, Vice Chair
Mick Seaman, Chair, Interworking Task
Group
Tony Jeffree, Chair
27 September 2007
IEEE Std 802.1ag-2007
Paul Congdon, Vice Chair
Stephen R. Haddock, Chair,
Interworking Task Group
Norman W. Finn, Editor-in-Chief
David V. Elie-Dit-Cosaque, Dinesh
Mohan, Oscar Rodriguez, and Ali
Sajassi, Assistant Editors
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ISO/IEC/IEEE 8802-1Q:2020(E)
IEEE 802.1Q Standard
Officers at the time of
Date approved by IEEE
Working Group Letter Ballot
Tony Jeffree, Chair
12 June 2008
IEEE Std 802.1ah-2008
Paul Congdon, Vice Chair
Stephen R. Haddock, Chair,
Interworking Task Group
Paul Bottorff, Stephen Haddock, and
Muneyoshi Suzuki, Editors
Tony Jeffree, Chair and Editor
26 September 2008
IEEE Std 802.1Q-2005/
Paul Congdon, Vice Chair
Cor-1-2008
Stephen R. Haddock, Chair,
Interworking Task Group
Tony Jeffree, Chair
10 December 2008
IEEE Std 802.1ap-2008
Paul Congdon, Vice Chair
Stephen R. Haddock, Chair,
Interworking Task Group
Glenn Parsons, Editor
David Levi, Assistant Editor
Tony Jeffree, Chair
17 June2009
IEEE Std 802.1Qaw-2009
Paul Congdon, Vice Chair
Stephen R. Haddock, Chair,
Interworking Task Group
Linda Dunbar, Editor
Tony Jeffree, Chair
17 June2009
IEEE Std 802.1Qay-2009
Paul Congdon, Vice Chair
Stephen R. Haddock, Chair,
Interworking Task Group
Panagiotis Saltsidis, Editor
Tony Jeffree, Chair
9 December 2009
IEEE Std 802.1aj-2009
Paul Congdon, Vice Chair
Stephen R. Haddock, Chair,
Interworking Task Group
John Messenger, Editor
Brian Hassink, MIB Editor
Tony Jeffree, Chair and Editor
9 November 2009
IEEE Std 802.1Qav-2009
Paul Congdon, Vice Chair
Michael Johas Teener, Chair, Audio
Video Bridging Task Group
Tony Jeffree, Chair
25 March 2010
IEEE Std 802.1Qau-2010
Paul Congdon, Vice Chair
Patricia Thaler, Chair, Data Center
BridgingTask Group
Norman W. Finn, Editor
Tony Jeffree, Chair
30 September 2010
IEEE Std 802.1Qat-2010
Paul Congdon, Vice Chair
Michael Johas Teener, Chair, Audio
Video Bridging Task Group
Craig Gunther, Editor
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ISO/IEC/IEEE 8802-1Q:2020(E)
IEEE 802.1Q Standard
Officers at the time of
Date approved by IEEE
Working Group Letter Ballot
Tony Jeffree, Chair and Editor
16 May 2011
IEEE Std 802.1Q-2011
Paul Congdon, Vice Chair
Stephen Haddock, Chair, Interworking
Task Group
Tony Jeffree, Chair
16 June 2011
IEEE Std 802.1Qbe-2011
Paul Congdon, Vice Chair
Stephen Haddock, Chair, Interworking
Task Group
Norman Finn, Editor
Tony Jeffree, Chair
16 June 2011
IEEE Std 802.1Qbc-2011
Paul Congdon, Vice Chair
Stephen Haddock, Chair, Interworking
Task Group
Thomas Mack-Crane, Editor
Tony Jeffree, Chair
16 June 2011
IEEE Std 802.1Qbb-2011
Paul Congdon, Vice Chair
Patricia Thaler, Chair, Data Center
Bridging Task Group
Claudio DeSanti, Editor
Tony Jeffree, Chair
16 June 2011
IEEE Std 802.1Qaz-2011
Paul Congdon, Vice Chair
Patricia Thaler, Chair, Data Center
Bridging Task Group
Craig W. Carlson, Editor
Tony Jeffree, Chair
7 December 2011
IEEE Std 802.1Qbf-2011
Paul Congdon, Vice Chair
Stephen Haddock, Chair, Interworking
Task Group
Robert Sultan, Editor
Tony Jeffree, Chair
29 March 2012
IEEE Std 802.1aq-2012
Glenn Parsons, Vice Chair
Stephen Haddock, Chair, Interworking
Task Group
Donald Fedyk and Mick Seaman,
Editors
Tony Jeffree, Chair and Editor
14 May 2012
IEEE Std 802.1Qbg-2012
Paul Congdon, Vice Chair
Patricia Thaler, Chair, Data Center
Bridging Task Group
Paul Bottorff, Editor, Clauses 12 and 17
Tony Jeffree, Chair and Editor
19 October 2012
IEEE Std 802.1Q-2011/
Glenn Parsons, Vice Chair and Chair,
Cor-2-2012
Maintenance Task Group
Tony Jeffree, Chair
27 March 2014
IEEE Std 802.1Qbp-2014
Glenn Parsons, Vice Chair
Stephen Haddock, Chair, Interworking
Task Group
Ben Mack-Crane, Editor
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ISO/IEC/IEEE 8802-1Q:2020(E)
IEEE 802.1Q Standard
Officers at the time of
Date approved by IEEE
Working Group Letter Ballot
Tony Jeffree, Chair and Editor
9 February 2004
IEEE Std 802.1D-2004
Paul Congdon, Vice Chair
Mick Seaman, Chair, Interworking Task
Group and Editor
Glenn Parsons, Chair
3 November 2014
IEEE Std 802.1D-2004
John Messenger, Vice-Chair
Tony Jeffree, Editor
Stephen Haddock, Chair, Interworking
Task Group
Glenn Parsons, Chair
16 February 2015
IEEE Std 802.1Qcd-2015
John Messenger, Vice Chair
Patricia Thaler, Chair, Data Center
Bridging Task Group
Eric Multanen, Editor
Glenn Parsons, Chair
3 September 2015
IEEE Std 802.1Qca-2015
John Messenger, Vice-Chair
János Farkas, Editor
Stephen Haddock, Chair, Interworking
Task Group
Glenn Parsons, Chair
5 December 2015
IEEE Std 802.1Q-2014/
John Messenger, Vice-Chair and Chair,
Cor 1-2015
Maintenance Task Group
Tony Jeffree, Editor
Glenn Parsons, Chair
5 December 2015
IEEE Std 802.1Qbv-2015
John Messenger, Vice-Chair
Michael Johas Teener, Chair, Time Sen-
sitive Networking Task Group
Tony Jeffree, Editor
Glenn Parsons, Chair
30 June 2016
IEEE Std 802.1Qbu-2016
John Messenger, Vice-Chair
Michael Johas Teener, Chair, Time Sen-
sitive Networking Task Group
Tony Jeffree, Editor
Glenn Parsons, Chair
30 June 2016
IEEE Std 802.1Qbz-2016
John Messenger, Vice-Chair
Michael Johas Teener, Chair, Time Sen-
sitive Networking Task Group
Norm Finn, Editor
Glenn Parsons, Chair
14 February 2017
IEEE Std 802.1Qci-2017
John Messenger, Vice-Chair
János Farkas, Chair, Time Sensitive
Networking Task Group
Tony Jeffree, Editor
Glenn Parsons, Chair
15 May 2017
IEEE Std 802.1Qch-2017
John Messenger, Vice-Chair
János Farkas, Chair, Time Sensitive
Networking Task Group
Tony Jeffree, Editor
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ISO/IEC/IEEE 8802-1Q:2020(E)
Osama Aboul-Magd Rao Cherukuri Gerrard Goubert
Steve Adams Taesik Cheung Richard Graham
Jade Chien
Stephen Ades Mark Gravel
Hon Wah Chin Michael A. Gravel
Fumio Akashi
Zehavit Alon Jin-Seek Choi Eric W. Gray
Ken Alonge Chi Chong Karanvir Grewal
Chris Christ
Ann Ambler John Grinham
Paul D. Amer Marc Cochran Yingjie Gu
Yafan An Paul Congdon Craig Gunther
Glenn Connery
Ting Ao Mitch Gusat
Alex Conta
Charles Arnold Marina Gutierrez
Peter Ashwood-Smith Jim Corrigan Stephen Haddock
Siamack Ayandeh Diego Crupnicoff Sharam Hakimi
David Cullerot
Floyd Backes Mogens Hansen
Rodney Cummings
SeoYoung Baek Mark Hantel
Ann Ballard Uri Cummings Harold Harrington
Richard Bantel Ted Davies John Hart
Andy Davis
Shenghua Bao Scott Harvell
John Bartlett Peter Dawe Mike Harvey
Sy Bederman Stan Degen Taka
...
FINAL
INTERNATIONAL ISO/IEC/
DRAFT
STANDARD IEEE/FDIS
8802-1Q
ISO/IEC JTC 1/SC 6
Telecommunications and exchange
Secretariat: KATS
between information technology
Voting begins on:
2019-12-16 systems — Requirements for local and
metropolitan area networks —
Voting terminates on:
2020-05-04
Part 1Q:
Bridges and bridged networks
Télécommunications et échange entre systèmes informatiques —
Exigences pour les réseaux locaux et métropolitains —
Partie 1Q: Ponts et réseaux pontés
RECIPIENTS OF THIS DRAFT ARE INVITED TO
SUBMIT, WITH THEIR COMMENTS, NOTIFICATION
OF ANY RELEVANT PATENT RIGHTS OF WHICH
THEY ARE AWARE AND TO PROVIDE SUPPOR TING
DOCUMENTATION.
IN ADDITION TO THEIR EVALUATION AS
Reference number
BEING ACCEPTABLE FOR INDUSTRIAL, TECHNO-
ISO/IEC/IEEE/FDIS 8802-1Q:2020(E)
LOGICAL, COMMERCIAL AND USER PURPOSES,
DRAFT INTERNATIONAL STANDARDS MAY ON
OCCASION HAVE TO BE CONSIDERED IN THE
LIGHT OF THEIR POTENTIAL TO BECOME STAN-
©
IEEE 2018
DARDS TO WHICH REFERENCE MAY BE MADE IN
NATIONAL REGULATIONS.
---------------------- Page: 1 ----------------------
ISO/IEC/IEEE/FDIS 8802-1Q:2020(E)
---------------------- Page: 2 ----------------------
ISO/IEC/IEEE/FDIS 8802-1Q:2020(E)
Foreword
ISO (the International Organization for Standardization) and IEC (the International Electrotechnical
Commission) form the specialized system for worldwide standardization. National bodies that are
members of ISO or IEC participate in the development of International Standards through technical
committees established by the respective organization to deal with particular fields of technical activity.
ISO and IEC technical committees collaborate in fields of mutual interest. Other international
organizations, governmental and non-governmental, in liaison with ISO and IEC, also take part in the work.
The procedures used to develop this document and those intended for its further maintenance are
described in the ISO/IEC Directives, Part 1. In particular, the different approval criteria needed for the
different types of ISO documents should be noted (see www.iso.org/directives).
IEEE Standards documents are developed within the IEEE Societies and the Standards Coordinating
Committees of the IEEE Standards Association (IEEE-SA) Standards Board. The IEEE develops its
standards through a consensus development process, approved by the American National Standards
Institute, which brings together volunteers representing varied viewpoints and interests to achieve the
final product. Volunteers are not necessarily members of the Institute and serve without compensation.
While the IEEE administers the process and establishes rules to promote fairness in the consensus
development process, the IEEE does not independently evaluate, test, or verify the accuracy of any of the
information contained in its standards.
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. ISO and IEC shall not be held responsible for identifying any or all such patent rights. Details
of any patent rights identified during the development of the document will be in the Introduction and/or
on the ISO list of patent declarations received (see www.iso.org/patents) or the IEC list of patent
declarations received (see http://patents.iec.ch).
Any trade name used in this document is information given for the convenience of users and does not
constitute an endorsement.
For an explanation of the voluntary nature of standards, the meaning of ISO specific terms and expressions
related to conformity assessment, as well as information about ISO's adherence to the World Trade
Organization (WTO) principles in the Technical Barriers to Trade (TBT)
see www.iso.org/iso/foreword.html.
ISO/IEC/IEEE 8802-1Q was prepared by the LAN/MAN of the IEEE Computer Society (as IEEE Std 802.1Q-
2018) and drafted in accordance with its editorial rules. It was adopted, under the “fast-track procedure”
defined in the Partner Standards Development Organization cooperation agreement between ISO and
IEEE, by Joint Technical Committee ISO/IEC JTC 1, Information technology, Subcommittee SC 6,
Telecommunications and information exchange between systems.
This second edition cancels and replaces the first edition (ISO/IEC/IEEE 8802-1Q:2016), which has been
technically revised. It also incorporates the Amendments ISO/IEC/IEEE 8802-1Q:2016/Amd.1:2017,
ISO/IEC/IEEE 8802-1Q:2016/Amd.2:2018, ISO/IEC/IEEE 8802-1Q:2016/Amd.3:2017,
ISO/IEC/IEEE 8802-1Q:2016/Amd.4:2017, ISO/IEC/IEEE 8802-1Q:2016/Amd.5:2017,
ISO/IEC/IEEE 8802-1Q:2016/Amd.6:2019, ISO/IEC/IEEE 8802-1Q:2016/Amd.7:2019 and the
Corrigendum ISO/IEC/IEEE 8802-1Q:2016/Cor.1:2017.
A list of all parts in the ISO/IEC/IEEE 8802 series can be found on the ISO website.
Any feedback or questions on this document should be directed to the user’s national standards body. A
complete listing of these bodies can be found at www.iso.org/members.html.
© IEEE 2018 - All rights reserved
iii
---------------------- Page: 3 ----------------------
IEEE Std 802.1Q™-2018
(Revision of
IEEE Std 802.1Q-2014)
IEEE Standard for
Local and Metropolitan Area Networks—
Bridges and Bridged Networks
Sponsor
LAN/MAN Standards Committee
of the
IEEE Computer Society
Approved 7 May 2018
IEEE-SA Standards Board
---------------------- Page: 4 ----------------------
ISO/IEC/IEEE 8802-1Q:2020(E)
Abstract: This standard specifies how the Media Access Control (MAC) Service is supported by
Bridged Networks, the principles of operation of those networks, and the operation of MAC Bridge s
and VLAN Bridges, including management, protocols, and algorithms.
Keywords: Bridged Network, IEEE 802.1Q™, LAN, local area network, MAC Bridge, metropolitan
area network, MSTP, Multiple Spanning Tree Protocol, Rapid Spanning Tree Protocol, RSTP, PBN,
Provider Bridged Network, Shortest Path Bridging Protocol, SPB Protocol, Time-Sensitive
Networking, TSN, Virtual Bridged Network, virtual LAN, VLAN Bridge
The Institute of Electrical and Electronics Engineers, Inc.
3 Park Avenue, New York, NY 10016-5997, USA
Copyright © 2018 by The Institute of Electrical and Electronics Engineers, Inc.
All rights reserved. Published 6 July 2018. Printed in the United States of America.
IEEE and IEEE 802 are registered trademarks in the U.S. Patent & Trademark Office, owned by The Institute of Electrical and Electronics
Engineers, Incorporated.
PDF: ISBN 978-1-5044-4929-8 STD23139
Print: ISBN 978-1-5044-4930-4 STDPD23139
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No part of this publication may be reproduced in any form, in an electronic retrieval system or otherwise, without the prior written permission
of the publisher.
2
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---------------------- Page: 5 ----------------------
ISO/IEC/IEEE 8802-1Q:2020(E)
Important Notices and Disclaimers Concerning IEEE Standards Documents
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3
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---------------------- Page: 6 ----------------------
ISO/IEC/IEEE 8802-1Q:2020(E)
Official statements
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---------------------- Page: 7 ----------------------
ISO/IEC/IEEE 8802-1Q:2020(E)
Updating of IEEE Standards documents
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Attention is called to the possibility that implementation of this standard may require use of subject matter covered by
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Association.
5
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---------------------- Page: 8 ----------------------
ISO/IEC/IEEE 8802-1Q:2020(E)
Participants
At the time this standard was submitted to the IEEE-SA Standards Board for approval, the IEEE 802.1
Working Group had the following membership:
Glenn Parsons, Chair
John Messenger, Vice Chair, Chair of Maintenance Task Group, Editor
Craig Gunther
Ralf Assmann Karen Randall
Shenghua Bao Marina Gutierrez Maximilian Riegel
Gordon Bechtel Stephen Haddock Jessy Rouyer
Jens Bierschenk Mark Hantel Soheil Samii
Steinar Bjornstad Marc Holness Atsushi Sato
Christian Boiger Lokesh Kabra Frank Schewe
Paul Bottorff Michael Karl Mick Seaman
Stephan Kehrer
Radhakrishna Canchi Johannes Specht
David Chen Hajime Koto Patricia Thaler
Feng Chen Yizhou Li Paul Unbehagen
Weiying Cheng Christophe Mangin Hao Wang
Scott Mansfield Tongtong Wang
Paul Congdon
Rodney Cummings James McIntosh Xinyuan Wang
Hesham Elbakoury Robert Moskowitz Karl Weber
János Farkas Tero Mustala Brian Weis
Norman Finn Tomoki Ohsawa Jordon Woods
Mickael Fontaine Donald R. Pannell Takahiro Yamaura
Geoffrey Garner Walter Pienciak Xiang Yu
Michael Potts
Eric W. Gray Nader Zein
Wei Qiu
The following members of the individual balloting committee voted on this standard. Balloters may have
voted for approval, disapproval, or abstention.
Thomas Alexander Mark Hantel John Messenger
Butch Anton Marco Hernandez Michael Montemurro
Guido Hiertz
Stefan Aust Charles Moorwood
Gordon Bechtel Werner Hoelzl Michael Newman
Harry Bims Rita Horner Nicks A. Nikjoo
Steinar Bjørnstad David Hunter Paul Nikolich
Christian Boiger C. Huntley Robert O’Hara
Nancy Bravin Noriyuki Ikeuchi Satoshi Obara
Demetrio Bucaneg Sergiu Iordanescu Bansi Patel
Osamu Ishida
William Byrd Arumugam Paventhan
Juan Carreon Atsushi Ito Clinton Powell
David Chalupsky Raj Jain Alon Regev
Keith Chow Tony Jeffree Maximilian Riegel
Sangkwon Jeong
Charles Cook Robert Robinson
Rodney Cummings Piotr Karocki Reinhard Schrage
Patrick Diamond Stuart Kerry Mick Seaman
Richard Doyle Yongbum Kim Takeshi Shimizu
Sourav Dutta Jeff Koftinoff Veselin Skendzic
Donald Eastlake Jouni Korhonen Daniel Smith
János Farkas Hyeong Ho Lee Thomas Starai
John Lemon
Norman Finn Walter Struppler
Michael Fischer James Lepp Mark-Rene Uchida
Avraham Freedman Jon Lewis Lorenzo Vangelista
Matthias Fritsche Arthur H. Light George Vlantis
Elvis Maculuba Khurram Waheed
Yukihiro Fujimoto
Eric W. Gray Roger Marks Stephen Webb
Randall Groves Arthur Marris Karl Weber
Michael Gundlach Jeffery Masters Andreas Wolf
Craig Gunther Brett McClellan Michael D. Wright
Stephen Haddock Michael McInnis Oren Yuen
Mark Hamilton Richard Mellitz Zhen Zhou
6
Copyright © 2018 IEEE. All rights reserved.
---------------------- Page: 9 ----------------------
ISO/IEC/IEEE 8802-1Q:2020(E)
When the IEEE-SA Standards Board approved this standard on 7 May 2018, it had the following
membership:
Jean-Philippe Faure, Chair
Gary Hoffman, Vice Chair
John D. Kulick, Past Chair
Konstantinos Karachalios, Secretary
Ted Burse Xiaohui Liu Robby Robson
Guido R. Hiertz Kevin Lu Dorothy Stanley
Christel Hunter Mehmet Ulema
Daleep Mohla
Joseph L. Koepfinger* Andrew Myles Phil Wennblom
Thomas Koshy Paul Nikolich Philip Winston
Howard Wolfman
Hung Ling Ronald C. Petersen
Annette D. Reilly Jingyi Zhou
Dong Liu
*Member Emeritus
7
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---------------------- Page: 10 ----------------------
ISO/IEC/IEEE 8802-1Q:2020(E)
Historical participants
Since the initial publication, many IEEE standards have added functionality or provided updates to material
included in this standard. The following is a historical list of participants who have dedicated their valuable
time, energy, and knowledge to the creation of this material:
Officers at the time of
IEEE 802.1Q Standard Date approved by IEEE
Working Group Letter Ballot
William P. Lidinsky, Chair
8 December 1998
IEEE Std 802.1Q-1998
Mick Seaman, Chair, Interworking Task
Group
Tony Jeffree, Coordinating Editor
Anil Rijsinghani, Richard Hausmann,
Michele Wright, Paul Langille,
P. J. Singh, Editorial Team
Tony Jeffree, Chair
17 March 2001
IEEE Std 802.1u-2001
Neil Jarvis, Vice Chair
Mick Seaman, Chair, Interworking Task
Group
Tony Jeffree, Chair
17 March 2001
IEEE Std 802.1v-2001
Neil Jarvis, Vice Chair
Mick Seaman, Chair, Interworking Task
Group
David Delany, Editor
Andrew Smith, Editor
Tony Jeffree, Chair
11 December 2002
IEEE Std 802.1s-2002
Neil Jarvis, Vice Chair
Mick Seaman, Chair, Interworking Task
Group
Norman W. Finn, Editor
Tony Jeffree, Chair
28 March 2005
IEEE Std 802.1ad-2005
Paul Congdon, Vice Chair
Mick Seaman, Chair, Interworking Task
Group
Stephen R. Haddock, Editor
Tony Jeffree, Chair and Editor
7 December 2005
IEEE Std 802.1Q-2005
Paul Congdon, Vice Chair
Mick Seaman, Chair, Interworking Task
Group
Tony Jeffree, Chair and Editor
22 March 2007
IEEE Std 802.1ak-2007
Paul Congdon, Vice Chair
Mick Seaman, Chair, Interworking Task
Group
Tony Jeffree, Chair
27 September 2007
IEEE Std 802.1ag-2007
Paul Congdon, Vice Chair
Stephen R. Haddock, Chair,
Interworking Task Group
Norman W. Finn, Editor-in-Chief
David V. Elie-Dit-Cosaque, Dinesh
Mohan, Oscar Rodriguez, and Ali
Sajassi, Assistant Editors
8
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---------------------- Page: 11 ----------------------
ISO/IEC/IEEE 8802-1Q:2020(E)
IEEE 802.1Q Standard
Officers at the time of
Date approved by IEEE
Working Group Letter Ballot
Tony Jeffree, Chair
12 June 2008
IEEE Std 802.1ah-2008
Paul Congdon, Vice Chair
Stephen R. Haddock, Chair,
Interworking Task Group
Paul Bottorff, Stephen Haddock, and
Muneyoshi Suzuki, Editors
Tony Jeffree, Chair and Editor
26 September 2008
IEEE Std 802.1Q-2005/
Paul Congdon, Vice Chair
Cor-1-2008
Stephen R. Haddock, Chair,
Interworking Task Group
Tony Jeffree, Chair
10 December 2008
IEEE Std 802.1ap-2008
Paul Congdon, Vice Chair
Stephen R. Haddock, Chair,
Interworking Task Group
Glenn Parsons, Editor
David Levi, Assistant Editor
Tony Jeffree, Chair
17 June2009
IEEE Std 802.1Qaw-2009
Paul Congdon, Vice Chair
Stephen R. Haddock, Chair,
Interworking Task Group
Linda Dunbar, Editor
Tony Jeffree, Chair
17 June2009
IEEE Std 802.1Qay-2009
Paul Congdon, Vice Chair
Stephen R. Haddock, Chair,
Interworking Task Group
Panagiotis Saltsidis, Editor
Tony Jeffree, Chair
9 December 2009
IEEE Std 802.1aj-2009
Paul Congdon, Vice Chair
Stephen R. Haddock, Chair,
Interworking Task Group
John Messenger, Editor
Brian Hassink, MIB Editor
Tony Jeffree, Chair and Editor
9 November 2009
IEEE Std 802.1Qav-2009
Paul Congdon, Vice Chair
Michael Johas Teener, Chair, Audio
Video Bridging Task Group
Tony Jeffree, Chair
25 March 2010
IEEE Std 802.1Qau-2010
Paul Congdon, Vice Chair
Patricia Thaler, Chair, Data Center
BridgingTask Group
Norman W. Finn, Editor
Tony Jeffree, Chair
30 September 2010
IEEE Std 802.1Qat-2010
Paul Congdon, Vice Chair
Michael Johas Teener, Chair, Audio
Video Bridging Task Group
Craig Gunther, Editor
9
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---------------------- Page: 12 ----------------------
ISO/IEC/IEEE 8802-1Q:2020(E)
IEEE 802.1Q Standard
Officers at the time of
Date approved by IEEE
Working Group Letter Ballot
Tony Jeffree, Chair and Editor
16 May 2011
IEEE Std 802.1Q-2011
Paul Congdon, Vice Chair
Stephen Haddock, Chair, Interworking
Task Group
Tony Jeffree, Chair
16 June 2011
IEEE Std 802.1Qbe-2011
Paul Congdon, Vice Chair
Stephen Haddock, Chair, Interworking
Task Group
Norman Finn, Editor
Tony Jeffree, Chair
16 June 2011
IEEE Std 802.1Qbc-2011
Paul Congdon, Vice Chair
Stephen Haddock, Chair, Interworking
Task Group
Thomas Mack-Crane, Editor
Tony Jeffree, Chair
16 June 2011
IEEE Std 802.1Qbb-2011
Paul Congdon, Vice Chair
Patricia Thaler, Chair, Data Center
Bridging Task Group
Claudio DeSanti, Editor
Tony Jeffree, Chair
16 June 2011
IEEE Std 802.1Qaz-2011
Paul Congdon, Vice Chair
Patricia Thaler, Chair, Data Center
Bridging Task Group
Craig W. Carlson, Editor
Tony Jeffree, Chair
7 December 2011
IEEE Std 802.1Qbf-2011
Paul Congdon, Vice Chair
Stephen Haddock, Chair, Interworking
Task Group
Robert Sultan, Editor
Tony Jeffree, Chair
29 March 2012
IEEE Std 802.1aq-2012
Glenn Parsons, Vice Chair
Stephen Haddock, Chair, Interworking
Task Group
Donald Fedyk and Mick Seaman,
Editors
Tony Jeffree, Chair and Editor
14 May 2012
IEEE Std 802.1Qbg-2012
Paul Congdon, Vice Chair
Patricia Thaler, Chair, Data Center
Bridging Task Group
Paul Bottorff, Editor, Clauses 12 and 17
Tony Jeffree, Chair and Editor
19 October 2012
IEEE Std 802.1Q-2011/
Glenn Parsons, Vice Chair and Chair,
Cor-2-2012
Maintenance Task Group
Tony Jeffree, Chair
27 March 2014
IEEE Std 802.1Qbp-2014
Glenn Parsons, Vice Chair
Stephen Haddock, Chair, Interworking
Task Group
Ben Mack-Crane, Editor
10
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---------------------- Page: 13 ----------------------
ISO/IEC/IEEE 8802-1Q:2020(E)
IEEE 802.1Q Standard
Officers at the time of
Date approved by IEEE
Working Group Letter Ballot
Tony Jeffree, Chair and Editor
9 February 2004
IEEE Std 802.1D-2004
Paul Congdon, Vice Chair
Mick Seaman, Chair, Interworking Task
Group and Editor
Glenn Parsons, Chair
3 November 2014
IEEE Std 802.1D-2004
John Messenger, Vice-Chair
Tony Jeffree, Editor
Stephen Haddock, Chair, Interworking
Task Group
Glenn Parsons, Chair
16 February 2015
IEEE Std 802.1Qcd-2015
John Messenger, Vice Chair
Patricia Thaler, Chair, Data Center
Bridging Task Group
Eric Multanen, Editor
Glenn Parsons, Chair
3 September 2015
IEEE Std 802.1Qca-2015
John Messenger, Vice-Chair
János Farkas, Editor
Stephen Haddock, Chair, Interworking
Task Group
Glenn Parsons, Chair
5 December 2015
IEEE Std 802.1Q-2014/
John Messenger, Vice-Chair and Chair,
Cor 1-2015
Maintenance Task Group
Tony Jeffree, Editor
Glenn Parsons, Chair
5 December 2015
IEEE Std 802.1Qbv-2015
John Messenger, Vice-Chair
Michael Johas Teener, Chair, Time Sen-
sitive Networking Task Group
Tony Jeffree, Editor
Glenn Parsons, Chair
30 June 2016
IEEE Std 802.1Qbu-2016
John Messenger, Vice-Chair
Michael Johas Teener, Chair, Time Sen-
sitive Networking Task Group
Tony Jeffree, Editor
Glenn Parsons, Chair
30 June 2016
IEEE Std 802.1Qbz-2016
John Messenger, Vice-Chair
Michael Johas Teener, Chair, Time Sen-
sitive Networking Task Group
Norm Finn, Editor
Glenn Parsons, Chair
14 February 2017
IEEE Std 802.1Qci-2017
John Messenger, Vice-Chair
János Farkas, Chair, Time Sensitive
Networking Task Group
Tony Jeffree, Editor
Glenn Parsons, Chair
15 May 2017
IEEE Std 802.1Qch-2017
John Messenger, Vice-Chair
János Farkas, Chair, Time Sensitive
Networking Task Group
Tony Jeffree, Editor
11
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ISO/IEC/IEEE 8802-1Q:2020(E)
Osama Aboul-Magd Rao Cherukuri Gerrard Goubert
Steve Adams Taesik Cheung Richard Graham
Jade Chien
Stephen Ades Mark Gravel
Hon Wah Chin Michael A. Gravel
Fumio Akashi
Zehavit Alon Jin-Seek Choi Eric W. Gray
Ken Alonge Chi Chong Karanvir Grewal
Chris Christ
Ann Ambler John Grinham
Paul D. Amer Marc Cochran Yingjie Gu
Yafan An Paul Congdon Craig Gunther
Glenn Connery
Ting Ao Mitch Gusat
Alex Conta
Charles Arnold Marina Gutierrez
Peter Ashwood-Smith Jim Corrigan Stephen Haddock
Siamack Ayandeh Diego Crupnicoff Sharam Hakimi
David Cullerot
Floyd Backes Mogens Hansen
Rodney Cummings
SeoYoung Baek Mark Hantel
Ann Ballard Uri Cummings Harold Harrington
Richard Bantel Ted Davies John Hart
Andy Davis
Shenghua Bao Scott Harvell
John Bartlett Peter Dawe Mike Harvey
Sy Bederman Stan Degen Takashi Hasegawa
Arjan de Heer
Alexei Beliaev Brian Hassink
Frank Deignan
Les Bell Wayne Hathaway
Amatzia Ben-Artzi David Delaney Brian Hausauer
Avner Ben-Dor Prakash Desai Richard Hausman
Claudio DeSanti
Michael Berger Hitoshi Hayakawa
Ron Dhondy
Caitlin Bestler Vic Hayes
...
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