Chapter 16. L2TP

Table of Contents

16.1. What is L2TP?
16.2. Basic ISP model
16.3. Platform RADIUS and session steering
16.4. The importance of CQM graphs
16.5. Local Authentication
16.6. Relaying L2TP connections
16.7. RADIUS Authentication and Accounting
16.8. RADIUS Control messages
16.9. 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 FB6000 and other manufacturers equipment.

16.1. What is L2TP?

Note

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


15.2. Using BGP in an ISP network?		16.2. Basic ISP model