基于Mininet对SDN/OpenFlow网络进行仿真，搭建了由一个三层路由器staticRouter、一个二层自学习交换机以及若干台主机构成的网络拓扑。使用POX做控制器，编程实现了网络中各个主机之间的连通性。
基于Mininet对SDN/OpenFlow网络进行仿真，搭建了由一个三层路由器staticRouter、一个二层自学习交换机以及若干台主机构成的网络拓扑。使用POX做控制器，编程实现了网络中各个主机之间的连通性。
其中mytopo.py文件为Mininet的定制拓扑文件。
在文件所在路径执行$ sudo mn --custom mytopo.py --topo mytopo即可启动拓扑
staticRouter.py文件为POX中的控制器模块，应存放在POX的ext文件夹下
启动控制器方法为$ ./pox.py log.level --DEBUG staticRouter
h1_1、h1_2、h1_3之间可以ping通，其余所有节点直接都无法ping通
运行这个两个文件发现，r1连接的两台主机能够互相ping通，但是s2上的三台主机之间无法ping通，r1上的主机ping s2上的主机也无法ping通。
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