http://www.vpseek.com/automated-l2tp-over-ipsec-implement-script
$ wget https://github.com/shawnyu/l2tp/blob/master/l2tp.sh
$ sh l2tp.sh
OneKey L2TP
http://www.vpseek.com/automated-l2tp-over-ipsec-implement-script
$ wget https://github.com/shawnyu/l2tp/blob/master/l2tp.sh
$ sh l2tp.sh
OneKey L2TP