High-Speed, Intelligent, and Secure Access Switch: S3950-4T12S-R
Updated at Dec 9th 20241 min read
The S3950-4T12S-R switch is designed to address the core requirements of speed, intelligence, and security needed in today's networks. This switch offers a balanced combination of high-speed performance, robust security features, and intelligent management options, making it a versatile choice for various networking environments. In this article, we will explore the key features of the S3950-4T12S-R, its capabilities in enhancing network performance, and its practical value in providing reliable and efficient connectivity solutions.
Key Features of S3950-4T12S-R
As modern enterprises continue to demand more from their network infrastructure, selecting a switch that offers a balance of speed, intelligent management, and security becomes increasingly critical. The S3950-4T12S-R is designed to meet these needs, demonstrating exceptional performance in high-speed capabilities. Its intelligent management options ensure ease and efficiency in network administration. Furthermore, it provides comprehensive security features that deliver multi-layer protection for the network. In the following sections, we will delve into the key characteristics of the S3950-4T12S-R, illustrating how its speed, intelligence, and security are specifically manifested.
High-Speed 10G Performance
The S3950-4T12S-R features 12 high-speed 10Gb SFP+ ports, each delivering a full 10Gbps, making it ideal for high-bandwidth applications such as uplink connections or link aggregation. Additionally, it includes 4 Gigabit RJ45 ports, providing flexible connectivity options for lower-bandwidth devices while conserving high-bandwidth resources for critical tasks. With a switching capacity of up to 248 Gbps and a forwarding rate of 184.5 Mpps, it efficiently handles high-traffic scenarios such as video conferencing, data backups, and large file transfers. Whether used for data-intensive tasks or efficient management of everyday office networks, the S3950-4T12S-R provides stable, reliable performance.

Intelligent Management
Multiple Management Options: The switch supports various management options, including WEB, CLI, SNMP, SSH, and RPC-API, allowing administrators to centrally monitor network devices even in distributed management environments.
Intelligent Monitoring and Automation: With support for LLDP and RMON, the switch can automatically discover and monitor network resources in large-scale office environments, enhancing network visibility and management efficiency.
Traffic Prioritization: In scenarios such as IP telephony and remote video conferencing, the switch prioritizes critical traffic using COS/DSCP mechanisms, ensuring that voice calls and video traffic are prioritized, thereby preventing other low-priority data streams from affecting quality.
Flexible VLAN Configuration: Supporting GVRP and QinQ functions, the switch facilitates traffic isolation between different departments in enterprises with multi-department collaboration, ensuring that business processes do not interfere with one another.
High Availability and Multi-Service Support
All ports on the S3950-4T12S-R support MLAG functionality, allowing seamless connections to other switches and servers via LAG or LACP, forming redundant links. Even if one switch fails, MLAG ensures the network can automatically switch to other connected switches, effectively avoiding single points of failure. The supported static routing and RIP protocols are suitable for cross-departmental applications, allowing network administrators to flexibly configure routing to accommodate the dynamic adjustments of daily network traffic.
Comprehensive Access Control and Protection
The S3950-4T12S-R is equipped with various authentication protocols including 802.1X, RADIUS, TACACS+, combined with ACL and QoS management to provide a comprehensive solution for access control and network protection. In scenarios like healthcare or finance where data security is paramount, the device can strictly restrict unauthorized devices from accessing the network through the AAA authentication system, effectively prevent ARP spoofing and network storm attacks with ACL and IP source guard features, ensuring network security and stability.
Versatile Applications of S3950-4T12S-R
Access Layer
The S3950-4T12S-R is specifically designed to meet the needs of large campus networks at the access layer. Its main 10Gb SFP+ ports ensure efficient connections to servers, storage, and other devices, while the additional four Gigabit RJ45 ports are perfect for connecting lower-bandwidth devices like printers and IP phones. With flexible management options such as web and CLI interfaces, it simplifies network operations, making it a reliable choice to support the growing access demands in campus environments.
Deployment Example:
The S3950-4T12S-R acts as an access layer switch, connecting servers via 10G ports through fiber modules. It utilizes MLAG redundancy to achieve load balancing and high reliability.

Core and Aggregation Layer
The S3950-4T12S-R offers basic routing and switching features such as static routing and RIP, making it ideal for the core or aggregation layer in medium and small networks. It consolidates traffic from multiple access points and ensures secure and efficient data handling. Additionally, features like Layer 2 multicast and QoS ensure optimal resource allocation for critical applications.
Deployment Example:
The S3950-4T12S-R connects to a security gateway, managing and protecting access to external networks. Its 10Gb SFP+ ports provide high-bandwidth uplinks to access layer switches, ensuring fast and stable data transmission.
Conclusion
The S3950-4T12S-R switch provides robust support for enterprises seeking high-speed, secure, and intelligent network solutions. Whether in large enterprises, the healthcare sector, or the financial industry, organizations can benefit from this switch. Choose the S3950-4T12S-R to provide your business with the most reliable network infrastructure, ensuring efficient operations and comprehensive data protection.