SW1(config)#monitor session 1 source interface f0/0 //定义被监控的端口 SW1(config)#monitor session 1 destination interface f0/12 //接分析工具的端口(PC抓包) SW1#show monitor session 1 //查看监控会话1 Session 1 --------- Source Ports: RX Only: None TX Only: None Both: fa0/0 ...