H3C命令4

4、端口配置（要先进入到相应的端口） 
[Quidway-Ethernet0/1]duplex {half|full|auto}                ；配置端口工作状态 
[Quidway-Ethernet0/1]speed {10|100|auto}                ；配置端口工作速率 
[Quidway-Ethernet0/1]flow-control                      ；配置端口流控 
[Quidway-Ethernet0/1]mdi {across|auto|normal}                ；配置端口平接扭接 
[Quidway-Ethernet0/1]port link-type {trunk|access|hybrid}    ；设置端口工作模式 
[Quidway-Ethernet0/1]undo shutdown                     ；激活端口（针对每个端口的具体配置时，必须要undo掉） 
[Quidway-Ethernet0/2]quit                            ；退出系统视图