Appendix C

Gateway-to-Gateway VPN Tunnel

7.Select Enable.

8.For the Local Security Gateway Type, select IP Only. The WAN IP address (B.B.B.B) of the RV042 will be automatically detected.

For the Local Security Group Type, select Subnet. Enter the RV042’s local network settings in the IP Address and Subnet Mask fields.

RV042 VPN Settings

9.For the Remote Security Gateway Type, select IP Only. Enter the RVL200’s WAN IP address in the IP Address field.

10.For the Remote Security Group Type, select Subnet. Enter the RVL200’s local network settings in the IP Address and Subnet Mask fields.

11.In the IPSec Setup section, select the appropriate encryption,authentication,andotherkeymanagement settings. (These should match the settings of the RVL200.)

12.In the Preshared Key field, enter a string for this key, for example, 13572468.

RV042 IPSec Setup Settings

13.If you need more detailed settings, click Advanced Settings. Otherwise, click Save Settings.

Configuration of PC 1 and PC 2

Verify that PC 1 and PC 2 can ping each other (refer to Windows Help for more information). If they can ping each other, then the VPN tunnel is configured correctly.

Configuration when Both Gateways Use Dynamic IP Addresses

This example assumes both Gateways are using dynamic IP addresses. If the Remote Gateway uses a static IP address, refer to “Configuration when the Remote Gateway Uses a Static IP Address.” If only the Remote Gateway uses a dynamic IP address, refer to “Configuration when the Remote Gateway Uses a Dynamic IP Address.”

RV042

RVL200

Dynamic IP: A.A.A.A with

Dynamic IP: B.B.B.B with

Domain Name: www.xyz.com

Domain Name: www.abc.com

LAN: 192.168.5.1

LAN: 192.168.1.1

 

Gateway-to-Gateway IPSec VPN Tunnel - Both Gateways Using

Dynamic IP

NOTE: Each computer must have a network adapter installed.

Configuration of the RVL200

Follow these instructions for the first VPN Router, designated RVL200. The other VPN Router is designated the RV042.

1.Launch the web browser for a networked computer, designated PC 1.

2.Access the web-based utility of the RVL200. (Refer to the User Guide of the RVL200 for details.)

3.Click the IPSec VPN tab.

4.Click the Gateway to Gateway tab.

5.Enter a name in the Tunnel Name field.

6.For the VPN Tunnel setting, select Enable.

7.For the Local Security Gateway Type, select IP Only. The WAN IP address (A.A.A.A) of the RVL200 will be automatically detected.

For the Local Security Group Type, select Subnet. Enter the RVL200’s local network settings in the IP Address and Subnet Mask fields.

10/100 4-Port VPN Router

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Cisco Systems RV042RF manual Configuration when Both Gateways Use Dynamic IP Addresses