Mininet: Cannot find required executable controller 问题解决方法

问题

当我运行mininet时,出现以下问题:

***Creating network
***Adding controller
***Adding hosts:
h1 h2 h3 h4 h5
***Adding switches:
s1
***Adding links:
(h1, s1) (h2, s1) (h3, s1) (h4, s1) (h5, s1)
***Configuring hosts
h1 h2 h3 h4 h5
***Starting controller
Cannot find required executable controller.
Please make sure that it is installed and available in your $PATH:
(/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin)

解决

运行以下命令:

sudo ln /usr/bin/ovs-controller /usr/bin/controller

即可解决。

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