Cisco Linksys WAG325N User Manual - Page 36

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Wireless-N ADSL2+ Gateway

The VPN Passthrough Tab

Virtual Private Networking (VPN) is a security measure that basically creates a secure connection between two

remote locations. Configure these settings so the Gateway will permit VPN tunnels to pass through.

VPN Passthrough

• IPSec Passthrough. Internet Protocol Security (IPSec) is a suite of protocols used to implement secure

exchange of packets at the IP layer. To allow IPSec Passthrough, click the Enable button. To disable IPSec

Passthrough, click the Disable button.

• PPTP Passthrough. Point-to-Point Tunneling Protocol Passthrough is the method used to enable VPN sessions

to a Windows NT 4.0 or 2000 server. To allow PPTP Passthrough, click the Enable button. To disable PPTP

Passthrough, click the Disable button.

• L2TP Passthrough. Layering 2 Tunneling Protocol Passthrough is an extension of the Point-to-Point Tunneling

Protocol (PPTP) used to enable the operation of a VPN over the Internet.To allow L2TP Passthrough, click the

Enable button. To disable L2TP Passthrough, click the Disable button.

When finished making your changes on this tab, click the Save Settings button to save these changes, or click

the Cancel Changes button to undo your changes. Click Help for more information.

Chapter 5: Configuring the Wireless-N ADSL2+ Gateway

The Security Tab

Figure 5-24: VPN Passthrough