Chapter 4 Application

4.1 Network Requirements

The company has established the server farms in the headquarters to provide the Web, Mail and FTP services for all the staff in the headquarters and the branch offices, and to transmit the commercial confidential data to its partners. The dedicated line access service was used by this company, which costs greatly in network maintain and cable layout. With the business development of the company, it’s required to establish an effective, safe and stable network with low cost for this company. The detailed requirements are as follows:

¾Internet Access

This company has terminated the dedicated line access service but maintained one dedicated line as the backup line, and has applied a high-bandwidth Fiber Access as the main line.

¾Remote Access

It’s required to build an effective and safe communication among the headquarters and the branch offices, allow the staff on business to access the Mail Server and FTP Server in LAN, and provide the remote access services for the cooperated partners.

¾Network Management

To avoid some of the staff using IM/P2P application at the working time to occupy a lot of network bandwidth, it’s required to implement the online behavior management and to specify the network bandwidth limit for each staff member.

¾Network Security

This enterprise network should be able to defend the common attacks from the internal or the external network, such as ARP Attack and DoS Attack. Moreover, the real-time monitoring on the network traffic is required.

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TP-Link TL-ER6120 manual Application, Network Requirements
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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.
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