The Layer 2 Tunnel Protocol (L2TP) is an emerging Internet Engineering Task Force (IETF) standard that combines the best features of two existing tunneling protocols: Cisco's Layer 2 Forwarding (L2F) and Microsoft's Point-to-Point Tunneling Protocol (PPTP).
Technology Information
Design
Configure
Configuration Examples and TechNotes
(All IP Tunneling Configuration Examples and TechNotes)
(All IP Tunneling Configuration Examples and TechNotes)
Configuring a PC as a PPPoA Client Using L3 SSG/SSD
Configuring Cisco IOS and Windows 2000 Clients for L2TP Using Microsoft IAS
Configuring Layer 2 Tunnel Protocol Authentication with RADIUS
Configuring Layer 2 Tunneling Protocol (L2TP) over IPSec
Configuring the PPPoE Client on a Cisco Secure PIX Firewall
How to Configure Layer 2 Tunnel Protocol Authentication with TACACS+
L2 Bridging Across an L3 Network Configuration Example
L2TPv3 over FlexVPN Configuration Guide
Configuring Cisco IOS and Windows 2000 Clients for L2TP Using Microsoft IAS
Configuring Layer 2 Tunnel Protocol Authentication with RADIUS
Configuring Layer 2 Tunneling Protocol (L2TP) over IPSec
Configuring the PPPoE Client on a Cisco Secure PIX Firewall
How to Configure Layer 2 Tunnel Protocol Authentication with TACACS+
L2 Bridging Across an L3 Network Configuration Example
L2TPv3 over FlexVPN Configuration Guide
Troubleshoot and Alerts