Iperf是一个网络性能测试工具。可以测试TCP和UDP带宽质量，可以测量最大TCP带宽，具有多种参数和UDP特性，可以报告带宽，延迟抖动和数据包丢失。-Iperf is a network performance testing tools. To test TCP and UDP bandwidth, quality, and can measure the maximum TCP bandwidth, with a variety of parameters and UDP charact