Chapter 4, "Designing MPLS Layer 3 Site-to-Site VPNs," introduced MPLS Layer 3 VPNs and discussed common topologies and deployments. This chapter covers advanced deployment topologies, such as carriers' carrier (CSC) and inter-autonomous system, as well as other deployment considerations, such as multicast traffic transport.
Part I: Understanding VPN Technology
What Is a Virtual Private Network?
Part II: Site-to-Site VPNs
Designing and Deploying L2TPv3-Based Layer 2 VPNs
Designing and Implementing AToM-Based Layer 2 VPNs
Designing MPLS Layer 3 Site-to-Site VPNs
Advanced MPLS Layer 3 VPN Deployment Considerations
Deploying Site-to-Site IPsec VPNs
Scaling and Optimizing IPsec VPNs
Part III: Remote Access VPNs
Designing and Implementing L2TPv2 and L2TPv3 Remote Access VPNs
Designing and Deploying IPsec Remote Access and Teleworker VPNs
Designing and Building SSL Remote Access VPNs (WebVPN)
Part IV: Appendixes
Designing and Building SSL Remote Access VPNs (WebVPN)
Appendix B. Answers to Review Questions