Yes, Moodle 2.x is a hard requirement for our plugins to work since we starting developing these add-ons just a few weeks before Moodle 2.0 was released.
Anyway, upgrading your Moodle 1.x to 2.x is always a good idea considering the numerous and cool new features.
If you are thinking about a virtual laboratory on how to configure a router, maybe I could be of some more help. I know some people here who created a remote laboratory about that specific topic. Also, using EJS, of course.