ISO/IEC/IEEE 8802-1BR:2016

Information technology — Telecommunications and information exchange between systems — Local and metropolitan area networks — Specific requirements — Part 1BR: Virtual bridged local area networks — Bridge port extension

This standard specifies the operation of Bridge Port Extenders, including management, protocols, and algorithms. Bridge Port Extenders operate in support of the MAC Service by Extended Bridges.

Technologies de l'information — Télécommunications et échange d'informations entre systèmes — Réseaux de zones locales et métropolitaines — Exigences spécifiques — Partie 1BR: Réseaux de zone locale virtuelle pontée — Extension du port de pontage

General Information

• Status: Published
• Publication Date: 05-Oct-2016
• ICS: 35.110 - Networking
• Technical Committee: ISO/IEC JTC 1/SC 6 - Telecommunications and information exchange between systems
• Drafting Committee: ISO/IEC JTC 1/SC 6 - Telecommunications and information exchange between systems
• Current Stage: 9060 - Close of review
• Start Date: 04-Jun-2027

Standards Content (Sample)

INTERNATIONAL ISO/IEC/
STANDARD IEEE
8802-1BR
First edition
2016-10-15
Information technology —
Telecommunications and information
exchange between systems — Local
and metropolitan area networks —
Specific requirements —
Part 1BR:
Virtual bridged local area networks
— Bridge port extension
Technologies de l’information — Télécommunications et échange
d’informations entre systèmes — Réseaux de zones locales et
métropolitaines — Exigences spécifiques —
Partie 1BR: Réseaux de zone locale virtuelle pontée — Extension du
port de pontage
Reference number
ISO/IEC/IEEE 8802-1BR:2016(E)
© IEEE 2012 – All rights reserved

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ISO/IEC/IEEE 8802-1BR:2016(E)
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ISO/IEC/IEEE 8802-1BR:2016(E)
Foreword
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© IEEE 2012 – All rights reserved
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IIEEE Standard for
LLocal and metropolitan area networks—

VVirtual Bridged Local Area Networks——
BBridge Port Extension
IEEE Computer Society
Sponsored by the
LAN/MAN Standards Committee
IEEE
IIEEE Std 8802.1BR™™-22012
3 Park Avenue
New York, NY 10016-5997
USA
16 July 2012

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ISO/IEC/IEEE 8802-1BR:2016(E)
IEEE Std 802.1BR™-2012
IEEE Standard for
Local and metropolitan area networks—
Virtual Bridged Local Area Networks—
Bridge Port Extension
Sponsor
LAN/MAN Standards Committee
of the
IEEE Computer Society
Approved 14 May 2012
IEEE-SA Standards Board

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ISO/IEC/IEEE 8802-1BR:2016(E)
Abstract: This standard specifies the operation of Bridge Port Extenders, including management,
protocols, and algorithms. Bridge Port Extenders operate in support of the MAC Service by
Extended Bridges.
Keywords: Bridged Local Area Networks, Data Center Bridging, DCB, Edge Virtual Bridging, EVB,
IEEE 802.1BR, LANs, local area networks, MAC Bridges, MANs, metropolitan area networks,
Virtual Bridged Local Area Networks
The Institute of Electrical and Electronics Engineers, Inc.
3 Park Avenue, New York, NY 10016-5997, USA
Copyright © 2012 by The Institute of Electrical and Electronics Engineers, Inc.
All rights reserved. Published 16 July 2012. Printed in the United States of America.
IEEE and 802 are registered trademarks in the U.S. Patent & Trademark Office, owned by The Institute of Electrical and
Electronics Engineers, Incorporated.
Print: ISBN 978-0-7381-7281-1 STD97256
PDF: ISBN 978-0-7381-7387-0 STDPD97256
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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.

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ISO/IEC/IEEE 8802-1BR:2016(E)
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ISO/IEC/IEEE 8802-1BR:2016(E)
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ISO/IEC/IEEE 8802-1BR:2016(E)
Essential Patent Claims may exist for which a Letter of Assurance has not been received. The IEEE is not
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© IEEE 2012 – All rights reserved

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ISO/IEC/IEEE 8802-1BR:2016(E)
Participants
At the time this standard was approved, the IEEE 802.1 Working Group had the following voting members:
Tony Jeffree, Chair
Glenn Parsons, Vice Chair
Patricia Thaler, Data Center Bridging Task Group Chair
Joe Pelissier, Editor
Zehavit Alon Eric Gray David Olsen
Yafan An Yingjie Gu Donald Pannell
Craig Gunther
Ting Ao
Mark Pearson
Peter Ashwood-Smith Stephen Haddock
Rene Raeber
Christian Boiger Hitoshi Hayakawa
Karen Randall
Paul Bottorff Girault Jones
Josef Roese
Rudolf Brandner Daya Kamath
Dan Romascanu
Craig Carlson Hal Keen
Jessy Rouyer
Srikanth Keesara
Xin Chang
Ali Sajassi
Weiying Cheng Yongbum Kim
Panagiotis Saltsidis
Paul Congdon Philippe Klein
Michael Seaman
Rodney Cummings Oliver Kleineberg
Koichiro Seto
Claudio DeSanti Michael Krause
Rakesh Sharma
Zhemin Ding Lin Li
Takeshi Shimizu
Donald Eastlake, 3rd Jeff Lynch
Kevin Stanton
Janos Farkas Ben Mack-Crane
Robert Sultan
Donald Fedyk David Martin
Michael Johas Teener
Norman Finn John Messenger
Jeremy Touve
Geoffrey Garner John Morris
Anoop Ghanwani Eric Multanen Maarten Vissers
Franz Goetz Yukihiro Nakagawa Yuehua Wei
Mark Gravel Min Xiao
The following members of the individual balloting committee voted on this standard. Balloters may have
voted for approval, disapproval, or abstention.
Thomas Alexander Tony Jeffree Herbert Ruck
Hugh Barrass Peter Jones Panagiotis Saltsidis
Nancy Bravin Shinkyo Kaku Bartien Sayogo
William Byrd Piotr Karocki Rich Seifert
Craig Carlson Stuart Kerry Gil Shultz
Keith Chow Yongbum Kim Kapil Sood
Charles Cook Paul Lambert Matthew Squire
Rodney Cummings Brian L’Ecuyer Manikantan Srinivasan
Claudio DeSanti Greg Luri
Thomas Starai
Patrick Diamond Michael Lynch Walter Struppler
Thomas Dineen Elvis Maculuba Joseph Tardo
Sourav Dutta Arthur Marris William Taylor
Richard Edgar David Martin Michael Johas Teener
Yukihiro Fujimoto Gary Michel Patricia Thaler
Ilango Ganga Jose Morales Dmitri Varsanofiev
Evan Gilman Yukihiro Nakagawa Prabodh Varshney
Randall C. Groves Michael S. Newman John Vergis
Stephen Haddock Nick S.A. Nikjoo Karl Weber
Noriyuki Ikeuchi Satoshi Obara Yuehua Wei
Atsushi Ito Maximilian Riegel Ludwig Winkel
Raj Jain Benjamin Rolfe Oren Yuen
Jessy Rouyer
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ISO/IEC/IEEE 8802-1BR:2016(E)
When the IEEE-SA Standards Board approved this standard on 14 May 2012, it had the following
membership:
Richard H. Hulett, Chair
John Kulick, Vice Chair
Robert M. Grow, Past Chair
Satish Aggarwal Alexander Gelman Oleg Logvinov
Paul Houzé Ted Olsen
Masayuki Ariyoshi
Jim Hughes Gary Robinson
Peter Balma
William Bartley Young Kyun Kim Jon Walter Rosdahl
Mike Seavey
Ted Burse Joseph L. Koepfinger*
David J. Law Yatin Trivedi
Clint Chaplin
Thomas Lee Phil Winston
Wael Diab
Hung Ling Yu Yuan
Jean-Philippe Faure
*Member Emeritus
Also included are the following nonvoting IEEE-SA Standards Board liaisons:
Richard DeBlasio, DOE Representative
Michael Janezic, NIST Representative
Michelle Turner
IEEE Standards Program Manager, Document Development
Kathryn Bennett
IEEE Standards Program Manager, Technical Program Development
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ISO/IEC/IEEE 8802-1BR:2016(E)
Introduction
This introduction is not part of IEEE Std 802.1BR-2012, IEEE Standard for Local and metropolitan area networks—
Virtual Bridged Local Area Networks—Bridge Port Extension.
This standard specifies the devices, protocols, procedures, and managed objects necessary to extend a bridge
“
and its management beyond its physical enclosure using IEEE 802 LAN technologies.
To this end, it:
a) Identifies and isolates traffic between ports within an Extended Bridge;
b) Specifies a tag format for this identification;
c) Establishes an Extended Bridge consisting of a Controlling Bridge and one or more Bridge Port
Extenders;
d) Specifies the functionality and the specific requirements of a Bridge Port Extender;
e) Extends the MAC service of a Bridge Port across the interconnected Bridge Port Extenders,
including support of Customer Virtual Local Area Networks (C-VLANs).
f) Establishes the requirements of bridge components and systems for the attachment of Bridge Port
Extenders;
g) Specifies a protocol to provide for the configuration and monitoring of Bridge Port Extenders by a
Controlling Bridge; and
h) Establishes the requirements for Bridge Management to support Port Extension, identifying the
managed objects and defining the management operations.
This standard contains state-of-the-art material. The area covered by this standard is undergoing evolution.
Revisions are anticipated within the next few years to clarify existing material, to correct possible errors, and
to incorporate new related material. Information on the current revision state of this and other IEEE 802
standards may be obtained from:
Secretary, IEEE-SA Standards Board
445 Hoes Lane
Piscataway, NJ 08854
USA
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ISO/IEC/IEEE 8802-1BR:2016(E)
Contents
1. Overview. 1
1.1 Scope. 1
1.2 Purpose. 2
2. Normative references. 3
3. Definitions . 4
4. Acronyms and abbreviations . 6
5. Conformance. 7
5.1 Terminology. 7
5.2 Protocol Implementation Conformance Statement (PICS). 7
5.3 Bridge Port Extender Conformance. 7
5.4 Controlling Bridge Conformance . 8
6. Principles of Bridge Port Extension. 10
6.1 Bridge Port Extension Overview . 10
6.2 Extended Bridge . 11
6.3 Base and aggregating Bridge Port Extenders . 13
6.4 Bridge Port Extender operation . 14
6.5 Bridge Port Extender architecture. 16
6.6 Bridge Port Extender Model of operation. 17
6.7 Bridge Port Extender Frame Reception . 19
6.8 Bridge Port Extender Transmit and Receive . 19
6.9 Bridge Port Extender tag handler. 20
6.10 Bridge Port Extender Internal Sublayer Service. 21
6.11 Bridge Port Extender Forwarding Process. 25
6.12 Bridge Port Extender Filtering Database . 29
6.13 Determination of the Upstream Port. 29
6.14 Upstream Port Addressing . 30
6.15 Bridge Port Extender Initialization . 30
6.16 Support of Congestion Points .31
7. Tagged frame format . 32
7.1 Representation and encoding of tag fields. 32
7.2 Tag format. 32
7.3 Tag Protocol Identifier (TPID) formats . 32
7.4 Tag Protocol Identification . 32
7.5 E-TAG Control Information . 32
8. Support of Bridge Port Extension by C-VLAN components . 35
8.1 Use of Tags . 36
8.2 Bridge Port Extension Port Types . 36
8.3 Internal Bridge Port Extender Cascade Ports . 37
8.4 Bridge Port Extender Upstream Ports. 39
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ISO/IEC/IEEE 8802-1BR:2016(E)
8.5 External Extended Ports. 39
8.6 External Bridge Port Extender Cascade Ports . 40
8.7 Traffic isolation. 41
8.8 Support of Port Extension by a C-VLAN component MAC Relay. 41
8.9 Remote replication. 42
8.10 Support of Remote Replication by a Controlling Bridge . 43
8.11 Assignment of E-CIDs. 44
8.12 Support of Congestion Notification. 45
9. Port Extender Control and Status Protocol . 46
9.1 Port Selection and Addressing. 46
9.2 PE CSP State Machines . 46
9.3 Protocol Errors. 52
9.4 PE CSP PDUs . 52
9.5 Basic TLV format . 52
9.6 Command TLV . 54
9.7 Flow Control . 56
9.8 Messages. 56
9.9 Additional TLVs . 61
10. Bridge management . 72
10.1 Data types . 72
10.2 Bridge Port Extension Entries. 72
11. Management Information Base (MIB) . 75
11.1 Structure of the IEEE8021-PE MIB .
...