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OFNet is a new software-defined network (SDN) emulator that offers functionality similar to the Mininet network emulator and adds some useful tools for generating traffic and monitoring OpenFlow messages and evaluating SDN controller performance.

OFNet is an open-source project that is distributed as a virtual machine (VM) image. The OFNet source code is available in the OFNet VM’s filesystem. In this post, we will use the OFNet VM provided by the OFNet developer to run SDN emulation scenarios in OFNet.
The OFNet Virtual Machine
The OFNet VM image is packaged as an OVA file which can be imported into most virtual machine managers. In this case, we are using VirtualBox. You may download the OFNet VM from this link.
The OFNet VM contains a Linux system running Ubuntu 12.04 and has the VirtualBox extensions installed.
Create a new virtual machine using the OFNet VM image, start up the VM and log in. After logging in, review the available OFNet documentation and install Wireshark.
Install the OFNet VM in VirtualBox
Import the OFNet.ova file into VirtualBox. Use the File → Import Appliance VirtualBx menu command or press <Ctrl-I>. Navigate to the location where you saved the OFNet.ova file Continue reading