# tcpreplay - 网络流量编辑和重放工具

## tcpreplay简介

[tcpreplay](http://tcpreplay.appneta.com/) 是一个Pcap编辑和重放的工具，可以将通过tcpdump抓包的网络流量重发，以达到性能压测或者排查异常网络故障的功能。

这个工具在排查线上问题，将线上系统网络异常过程在测试环境重现有很大帮助，值得仔细研究。

## 参考

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