First of all, majority of the credit goes to Magnus Hedemark
[https://opusmagnus.wordpress.com/] for his article CREATE A TOR-ONLY VLAN WITH
A RASPBERRY PI
[https://opusmagnus.wordpress.com/2014/10/04/create-a-tor-only-vlan-with-a-raspberry-pi/]
. I've copied parts of his article to mine since I did not do all