Chapter 11. Configuring LAN-to-LAN VPNs on the Cisco 3000

After completing this chapter, you will be able to perform the following tasks:

  • Understand the principle of LAN-to-LAN virtual private networks

  • Configure a LAN-to-LAN VPN with preshared keys

  • Administer LAN-to-LAN tunnels

  • Deal with multiple subnets

  • Configure a LAN-to-LAN VPN with digital certificates

Up to this point we have looked at remote-access Virtual Private Networks (VPNs). The two types of VPNs are remote-access and LAN-to-LAN. This chapter looks at the configuration of a LAN-to-LAN VPN using preshared keys and digital certificates. If you invest in a Cisco VPN 3000 Concentrator for your remote-access requirements, the VPN 3000 can also be used to terminate LAN-to-LAN tunnels. The configuration ...

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