以太网oam技术白皮书

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1、以太网OAM技术白皮书以太网OAM技术白皮书关键词：以太网OAM，EFMOAM，CFD，CFM，802.3ah，802.1ag摘要：以太网OAM技术用于对以太网进行运行、维护和管理，本文主要介绍EFMOAM和CFD这两种以太网OAM技术的基本概念、运行机制和典型组网应用。缩略语：缩略语英文全名中文解释CCContinuityCheck连续性检测CECustomerEdge用户网边缘CCMContinuityCheckMessage连续性检测消息CFDConnectivityFaultDetection连通错误检测CFMConnectivityFaultMa

2、nagement连通错误管理CPUCentralProcessingUnit中央处理器EFMOAMEthernetintheFirstMileOAM最后一公里以太网OAMFNGFaultNotificationGenerator错误通知生成器ISPInternetServiceProvider互连网服务提供商LBLoopback环回LBMLoopbackMessage环回消息LBRLoopbackReply环回应答LTLinktrace链路跟踪LTMLinktraceMessage链路跟踪消息LTRLinktraceReply链路跟踪应答MAMainten

3、anceAssociation维护集MDMaintenanceDomain维护域MEPMaintenanceassociationEndPoint维护端点MIPMaintenanceassociationIntermediatePoint维护中间点MPMaintenancePoint维护点OAMOperation,AdministrationandMaintenance操作、管理和维护OAMPDUOAMProtocolDataUnitsOAM协议数据单元PEProviderEdge运营商边缘TLVType,Length,Value类型，长度，值杭州华三通信

4、技术有限公司www.h3c.com.cn第1页，共16页以太网OAM技术白皮书目录1概述......................................................................................................................................................32EFMOAM技术实现...........................................................................

5、...................................................42.1概念介绍...............................................................................................................................................42.1.1OAM实体....................................................................

6、...............................................................42.1.2协议报文....................................................................................................................................42.1.3工作模式..................................................................

7、..................................................................52.1.4链路事件....................................................................................................................................52.2运行机制.................................................................

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