The netkit labs in use by the CNP3 book, see:
- https://github.com/obonaventure/cnp3
- https://github.com/obonaventure/cnp3/tree/master/book-2nd/exercises
- http://cnp3book.info.ucl.ac.be/
These labs assume a working netkit setup, check http://wiki.netkit.org/index.php/Main_Page , for an overview of netkit.