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第二集主要是安装ns-3，可以参考安装，另外UP主还提供了安装好的虚拟机链接（赞），需要最新版的可以尝试下载。 第三集是精髓，请珍惜。UP主也详细讲解了第一个例子（非常重要）。 资源2. 另外一个up，讲解了NS3提供的三个例子，可以作为参考