Introduction to Cisco Easy VPN
Introduction to Cisco Easy VPN

Cable modems, DSL routers, and other forms of broadband access provide high-performance connections to the Internet, but many applications also require the security of VPN connections that perform a high level of authentication and that encrypt the data between two particular endpoints. However, establishing a VPN connection between two routers can be complicated and typically requires tedious coordination between network administrators to configure the VPN parameters of the two routers.

The Cisco Easy VPN Remote feature eliminates much of this tedious work by implementing Cisco Unity Client Protocol, which allows most VPN parameters to be defined at a Cisco Easy VPN server. This server can be a dedicated VPN device, such as a Cisco VPN 3000 concentrator a PIX Security Appliance, or an IOS router that supports the Cisco Unity Client Protocol.

After the Cisco Easy VPN server has been configured, a VPN connection can be created with minimal configuration on an Easy VPN remote client, such as a Cisco 800 series router or a Cisco 1700 series router. When the Easy VPN remote initiates the VPN tunnel connection, the Cisco Easy VPN server pushes the IPSec policies to the Easy VPN remote and creates the corresponding VPN tunnel connection.

The Cisco Easy VPN Remote feature provides for automatic management of the details shown in Figure .


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