1）IEEE 802.1ag 连通性故障管理(CFM:Connectivity Fault Management) 2）IEEE 802.3ah 第一英里的以太网(EFM:Ethernet in the First Mile)，其中第57章的以太网OAM 3）ITU-T Y.1731 以太网OAM（Operation, Administration and Maintenance）
This standard specifies protocols and protocol entities within the architecture of VLAN-aware Bridges that provide capabilities for detecting, verifying, and isolating connectivity failures in Virtual Bridged Local Area Networks. These capabilities
以太网络连通性管理， CFM/CFD ITU-T Y.1731 TELECOMMUNICATION STANDARDIZATION SECTOR OF ITU (02/2008) SERIES Y: GLOBAL INFORMATION INFRASTRUCTURE, INTERNET PROTOCOL ASPECTS AND NEXT-GENERATION NETWORKS Internet protocol aspects – Operation, administration and m
