IEEE802.3最新版本（原版） 就最后Section 5给1分就好，谢谢^_^下了一定要看哟 (Revision of IEEE Std 802.3-2005) Section Two—Includes Clause 21 through Clause 33 and Annex 22A through Annex 33E. Section Two includes management attributes for multiple protocols and speed of opera
IEEE Std 802.3-2012 Section One—Includes Clause 1 through Clause 20 and Annex A through Annex H and Annex 4A. Section One includes the specifications for 10 Mb/s operation and the MAC, frame formats and service interfaces used for all speeds of oper
IEEE 802.3u的标准文件：IEEE Std 802.3u-1995,
Media Access Control (MAC) Parameters, Physical
Layer, Medium Attachment Units, and Repeater for
100 Mb/s Operation, Type 100BASE-T (Clauses 21–30)
1980年2月成立IEEE802委员会（IEEE - Institute of Electrical and lectronics Engineers INC，即电器和电子工程师协会）。该委员会制定了一系列局域网标准，称为IEEE802标准。按IEEE802标准，局域网体系结构由物理层、介质访问控制子层（MAC-Media Access Control）和逻辑链路子层LLC(Logical Link Control)组成。
