Note: In this example, Pre-shared Key is chosen.

X.509 version 3 defines the data structure for certificates. The standard digital certificate format is defined in the X.509 specification. Certificate - The digital certificate is a package that contains information such as a certificate identity of the bearer: name or IP address, the serial number expiration date of the certificate, and a copy of the public key of the certificate bearer.Pre-shared keys do not scale well because each IPSec peer must be configured with the Pre-shared key of every other peer with which it establishes a session. If the receiving peer is able to create the same hash independently using its Pre-shared key, it knows that both peers must share the same secret, thus authenticating the other peer. Pre-shared Key - IKE peers authenticate each other by computing and sending a keyed hash of data that includes the Pre-shared Key.In the IKE Authentication Method area, choose an authentication method to be used in IKE negotiations in IKE-based tunnel. Click on the drop-down list to choose the Interface.

Spaces and special characters are not allowed for the group name. Note: Enter characters between A to Z or 0 to 9. This will serve as identifier for all the member of this group during the Internet Key Exchange (IKE) negotiations. Enter a group name in the field provided. Check the Enable check box to enable the configuration.

In the Add a New Tunnel area, click the Cisco VPN Client radio button. Click the Add button under IPSec Client-to-Site Tunnels section. Log in to the router web-based utility and choose VPN > Client-to-Site. The objective of this document is to show you how to configure Client-to-Site VPN connection on the RV34x Series Router. This feature is very useful since it creates a new VPN tunnel that would allow teleworkers and business travelers to access your network by using a VPN client software without compromising privacy and security. In a Client-to-Site Virtual Private Network (VPN) connection, clients from the Internet can connect to the server to access the corporate network or Local Area Network (LAN) behind the server but still maintains the security of the network and its resources.

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