Great. I am planning to organize an online training about how to install and setup DebianEdu. Maybe in November.
I am planning to use a virtualized environment for demonstration purposes. You can join me in organizing this course, if you wish.
Any suggestions to fixing the problem?
But I suspect that you have to enable masquerading on the host. There are some instructions about this at the end of the wiki page.
Try it, but it doesn't work
If you can give me access to your testing environment, I can try to help you fix it.
Otherwise, I can give you access to my testing server, where you can repeat all the steps (from scratch), and then we try to find out what is the problem.
In this case I also expect from you to record (on a blog post) all the steps that you did to build the test environment. I would prefer if you used commands (like virsh etc.) for each step, instead of GUI tools.
Let's arrange a meeting in order to discuss in more details these issues: