Appendix D

IPSec NAT Traversal

4.Click the One-to-One NAT tab.

5.For the One-to-One NAT setting, select Enable.

6.In the Private Range Begin field, enter 111.11.

7.In the Public Range Begin field, enter 11.101.

8.In the Range Length field, enter an appropriate value. The range length cannot exceed the number of valid IP addresses. To map a single address, enter 1.

9.Click Add to List.

10.Click Save Settings.

Refer to “Chapter 4: Advanced Configuration” for more details about one-to-one NAT rules.

Configuration of Router B

Set the Remote Security Gateway to IP address: 192.168.99.1, which is the one-to-one NAT IP address used by NAT 2 - RV042.

Follow these instructions for Router B.

1.Launch the web browser for a networked computer, designated PC 2.

2.Access the web-based utility of Router B. (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 of Router B will be automatically detected.

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

8.For the Remote Security Gateway Type, select IP Only. Enter 192.168.99.1 in the IP Address field.

Router B’s IPSec VPN Settings

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

10.In the IPSec Setup section, select the appropriate encryption,authentication,andotherkeymanagement settings.

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

12.If you need more detailed settings, click Advanced Settings. Otherwise, click Save Settings and proceed to the next section, “Configuration of Router A.”

Configuration of Router A

Follow these instructions for Router A.

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

2.Access the web-based utility of Router A. (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 of Router A will be automatically detected.

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

Router A’s IPSec VPN Settings

NOTE: This configuration is the same as the configuration of Router A in scenario 1.

8.For the Remote Security Gateway Type, select IP Only. Enter Router B’s WAN IP address in the IP Address field.

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Linksys RV042 manual Configuration of Router a
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RV042 specifications

The Linksys RV042 is a robust and versatile VPN router designed for small to medium-sized businesses, offering a wide array of features that cater to networking demands. Boasting dual WAN ports, the RV042 allows users to have two internet connections, providing load balancing and failover capabilities. This means that the router can automatically switch to a secondary Internet connection if the primary fails, ensuring uninterrupted connectivity crucial for business operations.

A key feature of the RV042 is its support for Virtual Private Networking (VPN). It can accommodate up to 50 VPN tunnels simultaneously, enabling secure remote access for employees who need to connect to the office network from various locations. The router supports both PPTP and L2TP/IPsec protocols, which provide a layer of encryption, ensuring that data remains secure while transmitted over public networks.

In terms of connectivity, the Linksys RV042 is equipped with four Ethernet ports, supporting speeds of up to 1 Gbps through its LAN (Local Area Network) connections. This allows for high-speed data transfer within the office premises, making it suitable for bandwidth-intensive applications such as video conferencing and large file transfers. Additionally, the router features an integrated firewall, which helps protect the network from external threats by filtering incoming and outgoing traffic.

The RV042 also excels in its Quality of Service (QoS) capabilities, which enable users to prioritize traffic for more critical applications. This is particularly beneficial in environments where multiple applications rely on the same bandwidth, allowing businesses to maintain optimal performance for essential tasks.

For businesses looking to manage their network more effectively, the RV042 offers a web-based interface that simplifies configuration and monitoring. The user-friendly dashboard allows administrators to track network usage, configure access controls, and set up security measures easily.

Overall, the Linksys RV042 VPN router stands out for its reliability, security features, dual WAN support, and ease of management. It is an excellent choice for organizations that require a secure, stable, and high-performance networking solution, enabling seamless connectivity and productivity in an increasingly digital business landscape.
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