1.官网及下载路径: iperf3 homepage at: http://software.es.net/iperf/Report bugs to: https://github.com/esnet/iperf 2.iperf3命令选项 [ubuntu @meta]$ iperf3 iperf3: parameter error - must either be a client (-c) or server (-s) Usage: iperf [-s|-c host] [options] i