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Installation of Ryu Controller and Mininet

I prefer installing both in a virtual machine. For that, first, we need to install Virtualbox or VMWare Workstation. Then we can download a Ubuntu Server and install it in virtualbox.

Initialize Ubuntu Server

$ sudo apt update
$ sudo apt full-upgrade -y

Install Ryu Controller

I tried installing using pip. But, somehow, it created problem. Therefore, I switched to pip3 and now it is working fine.

$ sudo apt install python3-pip
$ sudo pip3 install ryu
$ ryu-manager --version

Install Mininet

$ git clone git://github.com/mininet/mininet
$ cd mininet
$ git tag
$ git checkout -b 2.2.2 2.2.2
$ mkdir my_mininet

While installing mininet, I faced the following issue:

E: Package 'iproute' has no installation candidate

To fix the problem, edit the install.sh file using nano/vim.

  • nano ./util/install.sh
  • press ctrl+w to find string iproute
  • replace it with iproute2
  • press ctrl+x -> yes to save and exit

Now run the install.sh to install mininet.

$ ./util/install.sh -s ./my_mininet/ -a

Simulation test

Run Ryu Controller

$ ryu-manager ryu.app.simple_switch

Run Mininet topology

$ sudo mn --topo single,3 --mac --switch ovsk --controller remote

Check simulation

mininet> pingall

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