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Cisco Router Firewall Security by Richard A. Deal

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Chapter 19. IPSec Site-to-Site Connections

This chapter and the next one cover some basics of VPN connectivity on your perimeter router. Because of space constraints in this book, I have decided to focus on two types of VPN connections: IPSec site-to-site (or LAN-to-LAN, sometimes referred to as L2L) and remote-access IPSec connections. I assume that you are already somewhat familiar with the IPSec standard and its components. Because a perimeter router is used in many cases to terminate VPN connections, I have included two chapters in this book on this topic. For more detailed information related to VPNs with Cisco products, look for my upcoming book The Complete Cisco VPN Configuration Guide (Cisco Press, 2005), which discusses in depth the ...

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