Chapter 19. L2TP

Table of Contents

19.1. What is L2TP?
19.2. Incoming L2TP connections
19.3. The importance of CQM graphs
19.4. Local Authentication
19.5. Relaying L2TP connections
19.6. RADIUS Authentication and Accounting
19.7. RADIUS Control messages
19.8. Outgoing L2TP connections

Layer 2 Tunnelling Protocol (L2TP) is used by ISPs to handle connections from broadband and dial-up lines. L2TP tunnels can also be used to create unencrypted point to point links betweem endpoints. The L2TP protocol is standard, and so allows connections between the FB2700 and other manufacturers equipment.

19.1. What is L2TP?

Note

This section of the manual is still in development. Please see www.firebrick.co.uk for technical notes.