References

General PPP Information

http://www.cisco.com/en/US/tech/tk801/tech_topology_and_network_serv_and_protocol_suite_home.html

Configuring Dial-In Ports

http://www.cisco.com/en/US/products/hw/modules/ps2797/products_configuration_example09186a00800e0dcd.shtml

L2TP

http://www.cisco.com/en/US/tech/tk827/tk369/technologies_design_guide_book09186a00800d8e3c.html

Layer 2 Tunnel Protocol Fact Sheet

http://www.cisco.com/warp/public/cc/pd/iosw/prodlit/l2tun_ds.htm

Layer 2 Tunnel Protocol

http://www.cisco.com/univercd/cc/td/doc/product/software/ios120/120newft/120t/120t1/l2tpt.htm

VPDN Configuration Guide

http://www.cisco.com/warp/customer/131/5.html

VPDN Configuration and Troubleshooting

http://www-tac.cisco.com/Support_Library/Internetworking/VPDN/vpdn_config.0.html

Security Configuration Guide

http://www.cisco.com/univercd/cc/td/doc/product/software/ios113ed/113ed_cr/secur_c/index.htm

RADIUS Configuration Guide

http://www.cisco.com/univercd/cc/td/doc/product/software/ios113ed/113ed_cr/secur_c/scprt2/index.htm

Broadband Aggregation to MPLS VPN

http://www.cisco.com/en/US/products/hw/routers/ps133/products_configuration_guide_chapter09186a008017513d.html

Remote Access to MPLS VPN

http://www.cisco.com/en/US/netsol/ns341/ns396/ns172/ns126/networking_solutions_package.html

Network-Based IPsec VPN Solutions

http://www.cisco.com/en/US/netsol/ns341/ns396/ns172/ns334/networking_solutions_package.html

IPsec

http://www.cisco.com/warp/public/732/Tech/security/IPSec/

http://www.cisco.com/en/US/netsol/ns340/ns394/ns171/ns142/networking_solutions_white_paper09186a0080117919.shtml

GRE + IPsec

http://www.cisco.com/en/US/tech/tk583/tk372/technologies_configuration_example09186a0080094bff.shtml

DMVPN

http://www.cisco.com/warp/customer/105/dmvpn.html

http://www.cisco.com/en/US/products/sw/iosswrel/ps1839/products_feature_guide09186a0080110ba1.html

Split Tunneling

http://www.cisco.com/en/US/netsol/ns340/ns394/ns171/ns27/networking_solutions_white_paper09186a008018914d.shtml

Prefragmentation

http://www.cisco.com/en/US/products/sw/iosswrel/ps1833/products_feature_guide09186a008009c92c.html