l2tpd
protocol overview
L2TP overview
L2TP features
Applications
L2TP header format part 1
L2TP header format part 2
L2TP AVP format
L2TP Message Types
L2TP future
l2tpd overview
History of l2tpd
l2tpd features
Known bugs
current work
l2tpd-devel
"interactive" use
l2tpd.conf
L2TP comparisons
Compare to IPSec
Compare to PPTP
Compare to GRE/IPIP
Compare to VTun
Author: Jeff McAdams
E-mail: jeffm@iglou.com
Homepage: http://www.l2tpd.org