SG350X-24-K9 Cisco Small Business Managed Switch 24 Ports

Cisco SG350X-24-K9 Layer 3 Managed Gigabit Ethernet Switch

The Cisco SG350X-24-K9 from the 350X Series is a high-performance Layer 3 managed network switch designed to support growing business infrastructures that require scalability, stability, and advanced traffic control. Built with enterprise-grade hardware and intelligent software features, this switch delivers dependable Gigabit and 10 Gigabit Ethernet connectivity for modern LAN environments, branch offices, and SMB core networks.

Manufacturer and Product Identification

• Brand: Cisco
• Model Number: SG350X-24-K9
• Series: Cisco 350X Series
• Product Name: SG350X-24 Layer 3 Managed Switch
• Product Category: Layer 3 Ethernet Switch

Total Network Ports

• 24 x Gigabit Ethernet ports for high-speed LAN connectivity
• Support for 10/100/1000Base-T Ethernet standards

Uplink and Expansion Connectivity

• Dedicated uplink ports available for backbone connectivity
• 4 x 10 Gigabit Ethernet expansion slots
• 2 x 10 Gigabit Ethernet uplink ports for high-throughput links

SFP+ Expansion Slot Capabilities

• Total SFP+ expansion slots: 4
• Shared SFP slots for adaptable network configurations
• Support for fiber-based and copper-based transceivers

Media Compatibility

• Optical fiber for long-distance and high-bandwidth connections
• Twisted pair cabling for standard Ethernet deployments

Ethernet and Network Technologies

• Gigabit Ethernet for fast access-layer connectivity
• 10 Gigabit Ethernet for aggregation and uplink performance
• 10GBase-X for fiber-based high-speed links
• 10GBase-T for copper-based 10G connectivity

Layer Support

• Layer 3 routing for enhanced network intelligence
• Efficient handling of inter-VLAN traffic

Network Management and Control

• Centralized management for simplified administration
• Advanced protocol support for secure and reliable operations
• Optimized traffic handling for business-critical applications

Modularity and Scalability

• Modular design for easy expansion and customization
• Stacking capability to combine multiple switches into a single logical unit
• Improved redundancy and simplified management through stacking

Power Characteristics

• Internal power supply for stable operation
• Standard power source compatibility
• Redundant power supply not supported

Cisco SG350X-24-K9 Layer 3 Managed Switch

The Cisco SG350X-24-K9 is a high-performance Layer 3 managed switch designed to deliver exceptional Gigabit Ethernet connectivity for small to medium-sized businesses. This 24-port switch provides advanced network management capabilities, robust security features, and scalable performance, making it an ideal solution for growing networks that demand reliable and flexible connectivity. The SG350X-24-K9 integrates seamlessly into existing infrastructures, supporting both copper and fiber connections for versatile deployment options.

High-Speed Connectivity and Network Performance

Equipped with 24 Gigabit Ethernet ports, the Cisco SG350X-24-K9 ensures high-speed data transfer across the network. The switch supports 10 Gigabit uplinks through SFP+ modules, allowing organizations to expand their network bandwidth without compromising performance. Layer 3 routing capabilities enable efficient traffic management, reducing latency and improving overall network responsiveness. With advanced QoS features, critical applications receive priority, ensuring uninterrupted performance for business-critical operations.

Layer 3 Advanced Routing Capabilities

The SG350X-24-K9 provides comprehensive Layer 3 routing functionalities, including static routing, RIP, OSPF, and inter-VLAN routing. These features allow for optimized network traffic paths, enhancing data transmission efficiency across multiple subnets. Enterprises can implement robust network segmentation strategies using VLANs while maintaining seamless communication between departments. The switch supports policy-based routing, enabling customized traffic management and optimized resource allocation for specific applications or users.

Inter-VLAN Routing and Network Segmentation

Inter-VLAN routing on the Cisco SG350X-24-K9 allows multiple VLANs to communicate while maintaining security boundaries. Network segmentation improves traffic control, reduces congestion, and enhances security by isolating sensitive data within dedicated VLANs. Businesses can deploy separate VLANs for administrative, guest, and operational networks, ensuring secure and efficient data flow throughout the organization. The Layer 3 capabilities of the SG350X-24-K9 simplify the management of complex network topologies without requiring additional routers.

Enhanced Security Features

Security is a critical aspect of modern networking, and the Cisco SG350X-24-K9 incorporates advanced measures to safeguard data and network integrity. The switch supports Access Control Lists (ACLs) for precise traffic filtering, protecting against unauthorized access and potential cyber threats. Dynamic ARP inspection and IP source guard features prevent spoofing attacks, while port security limits access based on MAC addresses, further securing the network perimeter. These features are essential for businesses that require high levels of data protection and compliance with regulatory standards.

802.1X Authentication and Network Access Control

The SG350X-24-K9 supports IEEE 802.1X authentication, enabling secure user and device verification before granting network access. Network administrators can enforce strict access policies, ensuring only authorized devices connect to critical resources. This feature integrates with existing authentication servers and enhances security for both wired and wireless network segments. Role-based access control allows differentiated access levels based on user credentials, ensuring sensitive information remains protected from unauthorized access.

Secure Management Options

Administrators can manage the SG350X-24-K9 using secure methods such as SSH, HTTPS, and SNMPv3, ensuring encrypted communication and protection against interception. The switch also supports centralized management through Cisco's network management solutions, enabling streamlined monitoring and configuration of multiple devices. Audit logs and event notifications provide real-time insights into network activity, allowing proactive management and rapid response to potential security incidents.

Scalable Network Architecture

The Cisco SG350X-24-K9 is designed for scalability, supporting stacking and modular expansion. With the ability to stack up to four switches, organizations can increase port density and network capacity while maintaining a single management interface. The switch's flexible uplink options, including 10 Gigabit SFP+ ports, allow seamless integration into high-speed core networks, providing future-proof infrastructure that accommodates growth and evolving business requirements.

Energy Efficiency and Environmental Considerations

Energy efficiency is a priority for businesses seeking to reduce operational costs and environmental impact. The SG350X-24-K9 incorporates energy-saving features such as IEEE 802.3az Energy Efficient Ethernet, which adjusts power usage based on network activity. Port-based power management allows selective power allocation, reducing consumption during periods of low network demand. These environmentally conscious features contribute to lower energy bills and support corporate sustainability initiatives.

PoE and Device Support

The Cisco SG350X-24-K9 supports Power over Ethernet (PoE) on select ports, delivering power to compatible devices such as IP phones, wireless access points, and surveillance cameras. PoE eliminates the need for separate power supplies, simplifying deployment and reducing cabling requirements. With intelligent PoE management, administrators can allocate power efficiently, prioritize critical devices, and monitor power consumption in real-time, ensuring reliable operation for connected devices across the network.

Quality of Service and Traffic Optimization

Advanced Quality of Service (QoS) features allow the SG350X-24-K9 to prioritize traffic based on application, user, or device type. Voice and video applications receive high-priority treatment to ensure clear communication and uninterrupted streaming. Traffic shaping and rate-limiting functionalities prevent network congestion and maintain optimal performance even during peak usage periods. By enabling granular traffic management, the switch helps businesses deliver consistent and reliable network experiences for end-users.

VLAN and Multicast Management

The SG350X-24-K9 supports multiple VLANs, allowing network segmentation and logical grouping of devices to improve performance and security. The switch also includes multicast management capabilities such as IGMP snooping and MLD snooping, optimizing the delivery of multicast traffic and reducing unnecessary bandwidth usage. Efficient multicast handling is particularly beneficial for applications such as video conferencing, streaming, and IP surveillance systems, ensuring smooth and reliable delivery of data to multiple recipients.

Reliability and Redundancy

High availability is critical in modern networks, and the Cisco SG350X-24-K9 incorporates redundancy features to minimize downtime. The switch supports redundant power supply options and link aggregation for failover protection. Spanning Tree Protocol (STP) and Rapid Spanning Tree Protocol (RSTP) prevent network loops and ensure continuous connectivity. These features provide businesses with resilient network infrastructure capable of supporting mission-critical applications and continuous operations.

Firmware and Software Flexibility

Cisco's IOS-based software for the SG350X-24-K9 offers flexible and consistent features across the SG350X series. Firmware updates can be applied without network disruption, providing new features and security enhancements as they become available. The switch supports feature-rich Layer 3 protocols, management tools, and security enhancements, enabling organizations to adapt their networks to changing business needs and technological advancements without hardware replacement.

Integration with Existing Network Infrastructure

The SG350X-24-K9 is designed for seamless integration into existing network environments. Compatibility with standard networking protocols ensures interoperability with switches, routers, and other network devices from various manufacturers. The switch's advanced Layer 3 routing, VLAN management, and QoS capabilities make it suitable for mixed environments where performance, security, and scalability are essential. Centralized management tools further simplify integration and maintenance, allowing IT teams to deploy and manage networks efficiently.

Use Cases for Cisco SG350X-24-K9

The SG350X-24-K9 serves diverse business scenarios, including corporate offices, educational institutions, and enterprise branch offices. Its combination of Layer 3 routing, PoE support, and high-speed connectivity makes it ideal for VoIP deployments, video conferencing, wireless backhaul, and IP surveillance. The switch also excels in network segmentation for improved security, allowing separate VLANs for administrative, guest, and operational traffic. With scalable performance and reliable operation, it supports both current and future networking requirements.

Branch Office and Campus Networks

For branch offices or campus networks, the SG350X-24-K9 provides sufficient port density and Layer 3 routing to interconnect multiple subnets efficiently. Its 10 Gigabit uplinks allow high-speed connections to data centers or core networks, while VLANs and QoS ensure optimal traffic flow for critical applications. PoE capabilities further simplify deployment of endpoints such as IP phones and wireless access points, reducing installation complexity and costs.

Small and Medium Business Applications

Small and medium businesses benefit from the SG350X-24-K9’s balance of performance, manageability, and cost-effectiveness. Advanced security features protect sensitive data while Layer 3 routing enhances network efficiency. The switch supports network growth with stacking capabilities and flexible uplink options, allowing businesses to scale infrastructure without major redesigns. Comprehensive monitoring and management tools enable IT administrators to maintain network health and optimize performance effectively.

Technical Specifications and Standards

The Cisco SG350X-24-K9 adheres to industry standards, ensuring compatibility and reliability. It supports IEEE 802.3 Ethernet standards, IEEE 802.1Q VLAN tagging, IEEE 802.3ad link aggregation, and IEEE 802.1p QoS prioritization. The switch provides a switching capacity of up to 128 Gbps and a forwarding rate of 95.2 Mpps. PoE support delivers up to 370W across compatible ports, accommodating multiple powered devices simultaneously. These specifications provide the technical foundation for robust, high-performance, and scalable network deployments.

Physical and Environmental Features

The SG350X-24-K9 is designed for rack-mountable installation, with compact dimensions suitable for standard 19-inch racks. It features dual redundant power supply support, fan-assisted cooling, and energy-efficient operation. The switch operates reliably in temperature-controlled environments, with compliance to regulatory standards ensuring safety and durability. These physical and environmental considerations make it suitable for professional network deployments in office and data center environments.