All, I am glad to introduce the opensource virtual network topology builder (knet). Its built with docker and openvswitch. I am using "bird" for router node. we can build the complex routing topology in few seconds, General Intro about this tool: ----------------------------------------------- https://github.com/knetsolutions/knet/ http://knet-topology-builder.readthedocs.io/en/latest/ Quick video tutorial in youtube: ------------------------------------------------- https://www.youtube.com/watch?v=SmWmbAsiimI&list= PLSO7MDepKLNCrHGrRcAyUWWUEFCOrjC4B -- *Regards, * *Suresh* *Knet solutions.* https://github.com/knetsolutions/KNet http://knet-topology-builder.readthedocs.io/ http://knetsolutions.in/