The first entry in Figure 3-29indicates: The IP address of host1 in local network is 1.1.1.1 and the WAN IP address after NAT mapping is specified to be 2.2.2.2. The data packets are transmitted from WAN1 port. DMZ Forwarding and this entry are both activated.

Note:

One-to-One NAT entries take effect only when the Connection Type of WAN is Static IP. Changing the Connection type from Static IP to other ones will make the entries attached to the interface disabled.

3.3.1.3Multi-Nets NAT

Multi-Nets NAT functions to allow the IP under LAN or DMZ port within multiple subnets to access the Internet via NAT.

Choose the menu Advanced→NAT→Multi-Nets NAT to load the following page.

Figure 3-30 Multi-Nets NAT

The following items are displayed on this screen:

¾Multi-Nets NAT

Subnet/Mask: Enter the subnet/mask to make the address range for the entry.

Interface:

Select the interface for the entry. You can select LAN or DMZ port.

Description:Give a description for the entry.

Status:

Activate or inactivate the entry.

¾list of Rules

You can view the information of the entries and edit them by the Action buttons.

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TP-Link TL-ER6120 manual ¾ Multi-Nets NAT

TL-ER6120 specifications

The TP-Link TL-ER6120 is a robust and versatile gigabit router designed for small to medium-sized businesses, offering high-performance routing capabilities while ensuring secure network management. This device stands out for its user-friendly configuration, affordability, and rich feature set tailored for business needs.

One of the key features of the TL-ER6120 is its advanced routing capabilities. It supports load balancing and failover, ensuring reliable internet connectivity by distributing traffic across multiple WAN ports. This helps to maintain optimal performance even during high-traffic periods. The router can accommodate up to three WAN ports, providing flexibility in terms of connection options and redundancy.

Security is paramount in any business network, and the TL-ER6120 does not disappoint. It includes a robust firewall with stateful packet inspection, preventing unauthorized access and safeguarding sensitive data. The router also supports various VPN protocols, including PPTP, L2TP, and IPSec, enabling secure remote access for employees working from remote locations. This feature is particularly beneficial as remote work becomes more prevalent.

In addition to its security features, the TL-ER6120 offers support for VLAN configuration, allowing businesses to segment their networks for better performance and security. Dynamic Routing Protocols such as RIP v1/v2, and static routing are also supported, ensuring seamless data exchange across different network segments.

Another significant aspect of the TL-ER6120 is its Quality of Service (QoS) functionality. This feature enables users to prioritize bandwidth for critical applications, ensuring that services like VoIP and video conferencing maintain optimal performance. By managing the flow of data, businesses can enhance their operational efficiency.

The TL-ER6120 is equipped with several advanced management features, including a web-based user interface that simplifies network configuration and monitoring. Users can easily manage their network settings, view traffic statistics, and troubleshoot issues without advanced technical knowledge.

In conclusion, the TP-Link TL-ER6120 is an excellent choice for businesses seeking a reliable, feature-rich router. Its combination of security, performance, and ease of use makes it an ideal solution for managing business networks efficiently. Whether for load balancing, secure remote access, or network segmentation, the TL-ER6120 meets diverse business needs with sophistication and reliability.