[DEFCON 19] A Bridge Too Far: Defeating Wired 802.1x with a Transparent Bridge Using Linux - YouTube
In Summary : A Bridge Too Far: Defeating Wired 802.1x with a Transparent Bridge Using Linux Speaker: Alva 'Skip' Duckwall - Northr...
https://updatesinfosec.blogspot.com/2018/05/defcon-19-bridge-too-far-defeating.html

A Bridge Too Far: Defeating Wired 802.1x with a Transparent Bridge Using Linux Speaker: Alva 'Skip' Duckwall - Northrop Grumman, Sr. Cyber Something or othe[...]
kindly refer the following link as follow up :
https://youtu.be/Ftesyva5AlA