An SDN application that gives its user the ability to control flows in an OpenFlow network without coding.
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The FlowManager is a RYU controller application that gives the user manual control over the flow tables in an OpenFlow network. The user can create, modify, or delete flows directly from the application. The user can also monitor the OpenFlow switches and view statistics. The FlowManager is ideal for learning OpenFlow in a lab environment, or in conjunction with other applications to tweak the behaviour of network flows in a test environment.


  • Add/modify/delete flow entries in flow tables.
  • Add/modify/delete group tables and meters.
  • Backup/restore switch tables to/from local drive.
  • View flow tables, group tables, and meters.
  • View switch statistics.
  • View network topology.
  • Track flow entries.


New in V0.4.1

  • Upgraded jquery to v3.5.0

New in V0.4.0

  • Fixed a bug tracking flow entries.
  • Editing Python code style closer to PEP-8 (more work is needed).
  • Spliting Python code into four modules for easier management.
  • Reorganized folders.


FlowManager is a RYU Controller application, so make sure that the controller is installed properly before you proceed. Also, if you intend to use FlowManager with Mininet, you will need to install that too.


Install FlowManager using the following steps:

$ git clone https://github.com/martimy/flowmanager

Running the app

Run the FlowManager alone:

$ ryu-manager ~/flowmanager/flowmanager.py

or with another RYU application:

$ ryu-manager ~/flowmanager/flowmanager.py ryu.app.simple_switch_13

and to display the topology:

$ ryu-manager --observe-links ~/flowmanager/flowmanager.py ryu.app.simple_switch_13

Use a web broswer to launch the site http://localhost:8080/home/index.html

Docker installation

Use a Docker image to run Ryu Controller with the FlowManager.

docker pull martimy/ryu-flowmanager
docker run -d -p 6633:6633 -p 8080:8080 martimy/ryu-flowmanager

To run the controller with another Ryu app:

docker run -d -p 6633:6633 -p 8080:8080 martimy/ryu-flowmanager:latest ryu.app.simple_switch_13
docker run -d -p 6633:6633 -p 8080:8080 martimy/ryu-flowmanager:latest flowmanager/flowmanager.py ryu.app.simple_switch_13

To bypass the entry point:

docker run -it --entrypoint bash martimy/ryu-flowmanager


You can find some useful documention in here, but it is still a work-in-progress.

Built With

  • Python - A programming language ideal for SDN applications.
  • jQuery - A JavaScript library for event handling, animation.
  • D3.js - A JavaScript library for data visulization.



FlowManager is licensed under the Apache 2 License - see the LICENSE file for details

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