This amendment to IEEE Std 802.3-2002 as amended by IEEE Std 802.3ae-2002, IEEE Std 802.3af-2003, IEEE Std 802.3aj-2003, and IEEE Std 802.3ak-2004 combines a minimal set of extensions to the IEEE 802.3 Media Access Control (MAC) and MAC Control subl
以太网OAM(Operations, Administration and Maintenance,操作、管理和维护) 是一种监控网络问题的工具。它工作在数据链路层,利用设备之间定时交互 OAMPDU(OAM Protocol Data Units,OAM 协议数据单元)来报告网络的状态,使网络管理员能够更有效地管理网络。
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)