In this chapter, you will learn to:
Describe LAN-to-LAN VPNs using VPN Concentrators
Configure the VPN 3000 Concentrator LAN-to-LAN with preshared keys
Configure the VPN 3000 Concentrator LAN-to-LAN using digital certificates
Configure the VPN 3000 Concentrator LAN-to-LAN with NAT features
Configure the VPN 3000 Concentrator for the IPSec Over UDP and IPSec Over TCP
Configure the VPN 3000 Concentrator routing
This section discusses configuring VPN 3000 Concentrators to support LAN-to-LAN or site-to-site implementations. This is a rapidly changing technology, so make certain to augment this material with new releases from the Cisco web site.