3550 交换机(EM I) 简明配置维护手册 中国思科培训网 目录 说明 .................................................................................................................................................. 3 产品特性........................................................................................................................................... 3 配置端口........................................................................................................................................... 4 配置一组端口 ........................................................................................................................... 4 配置二层端口 ........................................................................................................................... 6 配置端口速率及双工模式 ............................................................................................... 6 端口描述 ........................................................................................................................... 7 配置三层口 ............................................................................................................................... 8 监控及维护端口 ..................................................................................................................... 10 监控端口和控制器的状态 ............................................................................................. 10 刷新、重置端口及计数器 ............................................................................................. 12 关闭和打开端口 ............................................................................................................. 13 配置VLAN .................................................................................................................................... 14 理解 VLAN ..............................................................................................................