Case Study

This chapter is different from the rest of the chapters in this book. From the beginning of this book, each chapter has focused on VPNs and various VPN implementation types, and how these are configured on Cisco VPN 3000 concentrators, software and hardware clients, IOS-based routers, and PIX and ASA security appliances. Throughout the book I've tried to include many configuration examples, illustrating common scenarios and possible problems you might face while implementing VPNs.

This chapter doesn't introduce any new material. Instead, this chapter will focus on the use of the concepts and features discussed in this book and implement many of them in a case study environment. In other words, I'll create a fictitious company with various Cisco VPN-capable products and bring together much of the VPN knowledge I've discussed so far and apply it to my fictitious company. Using a case study, you can see more easily where certain VPN solutions make more sense than other solutions.

Throughout this case study, I'll discuss why I'm using certain VPN implementations over others and, within a certain product, why I'm using one particular feature instead of another. The configurations I'll put together focus primarily on the implementation of VPNs. I'll discuss other non-VPN items that are important to the design, but in most cases the configuration of those items is beyond the scope of this book.

Part I: VPNs

Overview of VPNs

VPN Technologies




Part II: Concentrators

Concentrator Product Information

Concentrator Remote Access Connections with IPsec

Concentrator Remote Access Connections with PPTP, L2TP, and WebVPN

Concentrator Site-to-Site Connections

Concentrator Management

Verifying and Troubleshooting Concentrator Connections

Part III: Clients

Cisco VPN Software Client

Windows Software Client

3002 Hardware Client

Part IV: IOS Routers

Router Product Information

Router ISAKMP/IKE Phase 1 Connectivity

Router Site-to-Site Connections

Router Remote Access Connections

Troubleshooting Router Connections

Part V: PIX Firewalls

PIX and ASA Product Information

PIX and ASA Site-to-Site Connections

PIX and ASA Remote Access Connections

Troubleshooting PIX and ASA Connections

Part VI: Case Study

Case Study


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The Complete Cisco VPN Configuration Guide
The Complete Cisco VPN Configuration Guide
ISBN: 1587052040
EAN: 2147483647
Year: 2006
Pages: 178
Authors: Richard Deal
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