ISO IEC IEEE 8802-1Q-2020

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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

INTERNATIONAL

STANDARD

ISO/IEC/

IEEE

8802-1Q

Reference number

ISO/IEC/IEEE 8802-1Q:2020(E)

Second edition

2020-08

ISO/IEC/IEEE 8802-1Q:2020(E)

be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting

on the internet or an intranet, without prior written permission. Permission can be requested from either ISO or IEEE at

the respective address below or ISO’s member body in the country of the requester.

ISO copyright office Institute of Electrical and Electronics Engineers, Inc

CP 401 • Ch. de Blandonnet 8 3 Park Avenue, New York

CH-1214 Vernier, Geneva NY 10016-5997, USA

Phone: +41 22 749 01 11

Email: copyright@iso.org Email: stds.ipr@ieee.org

Website: www.iso.org Website: www.ieee.org

Published in Switzerland

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.

ISO/IEC/IEEE 8802-1Q:2020(E)

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摘要：

ISO IEC IEEE 8802-1Q-2020 是国际认可的虚拟局域网（VLAN）与网络桥接与路由的权威标准规范，它明确了在以太网环境中实现流量隔离、优先级调度、服务质量和网络安全的关键技术机制。该标准不仅涵盖了经典的 VLAN 标记与帧格式定义，还深入整合了 IEEE 802.1 系列桥接架构、生成树协议增强以及时间敏感网络（TSN）等最新扩展特性。通过采用此标准，企业和数据中心网络能够高效管理多租户环境、支持关键任务流量与普通流量的共网传输，并确保跨供应商设备的互操作性。ISO/IEC/

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