ISO/ INTERNATIONAL STANDARD IEC/IEEE 8802-3 Third edition 2021-02 AMENDMENT 2022-07 Telecommunicationsand exchange between information technology systems -Requirements for local and metropolitanareanetworks- Part 3: StandardforEthernet AMENDMENT10:Maintenance#14: Isolation Telecommunications et échange entre systemes informatiques Exigencespourlesreseauxlocauxetmetropolitains Partie3:NormepourEthernet AMENDEMENT10:Maintenancen14:Isolation IEC Referencenumber IS0/IEC/IEEE8802-3:2021/Amd.10:2022(E) IEEE2021 IS0/IEC/IEEE8802-3:2021/Amd.10:2022(E) COPYRIGHTPROTECTEDDOCUMENT IEEE2021 All rights reserved. Unless otherwise specified,or required in the context ofits implementation,no part ofthis publication may bereproducedorutilizedotherwiseinanyformorbyanymeans,electronicormechanical,includingphotocopying,orpostingon the internetor an intranet,without prior written permission.Permission can be requested from IEEE at theaddress below. Institute ofElectrical and Electronics Engineers, Inc 3ParkAvenue,NewYork NY10016-5997,USA Email:[email protected] Website:www.ieee.org Published in Switzerland ional Organizaton for Standardizatior IEEE2021-Allrightsreserved IS0/IEC/IEEE8802-3:2021/Amd.10:2022(E) Foreword ISo (the International Organization for Standardization)and IEC (the International Electrotechnical Commission)formthespecialized system forworldwide standardization.National bodies thatare members of IsO orIEC participate in the development of International Standards through technical committeesestablishedbytherespectiveorganizationtodealwithparticularfieldsoftechnicalactivity. ISo and IEC technical committees collaborate in fields of mutual interest. Other international organizations,governmental andnon-governmental,inliaison withIso and IEC,alsotakepart inthe work. Theprocedures used to develop this document and those intendedfor its further maintenance are described in theIso/IEc Directives,Part1.In particular,thedifferentapproval criterianeeded for the differenttypes of Iso/IEC documents should benoted.Thisdocument was drafted in accordance with theeditorialrulesoftheISo/IEcDirectives,Part2(seewww.iso.org/directives 10 www.iec.ch/members_experts/refdocs). IEEEStandards documents are developed within theIEEE Societies and theStandardsCoordinating Committees of the IEEE Standards Association (IEEE-SA) Standards Board.The IEEE develops its standardsthrougha consensusdevelopmentprocess,approvedbytheAmericanNational Standards Institute,whichbringstogethervolunteersrepresentingvariedviewpointsandintereststo achievethe final product.Volunteers arenot necessarilymembers of the Institute and servewithout compensation. While theIEEE administers theprocess andestablishes rulesto promote fairness in the consensus developmentprocess,theIEEEdoesnot independentlyevaluate,test,orverifytheaccuracyofanyofthe informationcontained initsstandards. Attention is drawntothepossibilitythat someofthe elementsofthisdocumentmaybethesubject of patentrights.ISOandIEC shall notbeheldresponsibleforidentifyinganyorallsuchpatentrights.Details ofanypatentrightsidentifiedduringthedevelopmentofthedocument willbein the Introductionand/or declarations received (seehttps://patents.iec.ch) Any trade name used in this document is information given for the convenience of users and does not constituteanendorsement. For an explanation of the voluntary nature of standards, the meaning of Iso specific terms and expressionsrelated toconformity assessment,as wellas informationaboutIso's adherencetotheWorld Trade Organization (WTO) principlesintheTechnical Barriersto Trade (TBT), seewww.iso.org/iso/foreword.html.IntheIEC,seewww.iec.ch/understanding-standards IS0/IEC/IEEE8802-3:2021/Amd10waspreparedbytheLAN/MANoftheIEEEComputerSociety (as IEEE 802.3crTM-2021) and drafted in accordance with its editorial rules.It was adopted, under the agreementbetweenISoandIEEE,byJointTechnicalCommitteeiSo/IECJTC1,Information technology,SubcommitteeSc6,Telecommunicationsandinformationexchangebetw