SG250-50P-K9 Cisco Ethernet Switch Rack-Mountable SG250-50P

Cisco SG250-50P-K9 Layer 3 Managed Switch  

The Cisco SG250-50P-K9 is a high-performance Layer 3 managed switch designed for medium to large business networks. With its advanced Gigabit Ethernet capabilities, this switch provides reliable connectivity, robust management features, and flexible networking options, making it ideal for modern enterprise environments.

Key Features and Capabilities

• Manufacturer: Cisco  
• Model Number: SG250-50P-K9
• Product Category: Ethernet Switch
• Layer 3 routing support for efficient network traffic management
• Fully manageable through web interface, CLI, and SNMP

Uplink and Expansion Options

• Dedicated uplink ports for seamless integration with other switches or routers
• Support for additional expansion modules to increase network capacity

Manageability and Layer Support

• Fully manageable Layer 3 switch, providing advanced routing and traffic optimization
• Supports static routing, RIP, and OSPF protocols
• Enables efficient VLAN management and inter-VLAN routing

Media and Ethernet Support

• Supports twisted pair cabling for flexible deployment
• Gigabit Ethernet technology ensures high-speed data transfer
• Compatible with 1000Base-X networks for enhanced network efficiency

Advanced Networking Features

• Quality of Service (QoS) prioritization for critical applications
• Link aggregation for increased bandwidth and redundancy
• VLAN support for network segmentation and security

Power Source

• Powered through an internal power supply
• No redundant power supply support, designed for stable single-source power
• Energy-efficient design reduces operational costs and power consumption

PoE and Energy Management

• Supports Power over Ethernet (PoE) to power connected devices such as IP phones and wireless access points
• Efficient power allocation for multiple connected devices

Security Features

• 802.1X authentication for secure device access
• Access Control Lists (ACLs) for traffic filtering and security enforcement
• Port security and DHCP snooping to prevent unauthorized connections

Reliability and Redundancy

• Spanning Tree Protocol (STP) for network loop prevention
• Fast recovery with link failover capabilities
• Robust firmware and software features for stable long-term operation

Management Interfaces

• Web-based GUI for intuitive configuration
• Command-Line Interface (CLI) for advanced network administrators
• Simple Network Management Protocol (SNMP) for centralized monitoring

Small and Medium Business Networks

• Ideal for office networks requiring multiple high-speed connections
• Supports VoIP phones, wireless access points, and IP cameras
• Efficient network segmentation using VLANs

Enterprise and Campus Deployments

• Layer 3 routing allows seamless inter-department communication
• Reduces network congestion with QoS and link aggregation
• Scalable design for future network growth

Cisco SG250-50P-K9 Managed Switch 

The Cisco SG250-50P-K9 Layer 3 Managed Switch is a high-performance Gigabit Ethernet solution designed for small to medium-sized businesses seeking reliable network management and advanced features. This switch belongs to the Cisco 250 Series, offering a robust combination of Layer 3 routing, Power over Ethernet Plus (PoE+), and enhanced security, ensuring seamless connectivity for business-critical applications.

Advanced Layer 3 Features

The SG250-50P-K9 provides comprehensive Layer 3 functionality, including static routing, Routing Information Protocol (RIP), and support for inter-VLAN routing. These advanced features enable businesses to segment networks efficiently, reduce congestion, and optimize traffic flow between multiple VLANs. Layer 3 capabilities enhance the switch's ability to handle complex network topologies, allowing IT administrators to maintain high performance even under heavy traffic loads.

Inter-VLAN Routing

Inter-VLAN routing capability enables the SG250-50P-K9 to facilitate communication between different VLANs without requiring an external router. This feature streamlines network architecture and reduces hardware costs, making it ideal for growing organizations that need to expand their network efficiently.

Gigabit Ethernet Connectivity

The SG250-50P-K9 is equipped with 48 Gigabit Ethernet ports and 2 Gigabit SFP ports, providing high-speed connectivity for desktops, servers, and IP-based devices. With full-duplex operation and wire-speed performance, the switch ensures fast and reliable data transmission, minimizing network bottlenecks.

High-Density PoE+ Support

This model supports up to 24 PoE+ ports, providing up to 375W total power budget. The PoE+ capability simplifies the deployment of devices such as IP phones, wireless access points, and surveillance cameras, eliminating the need for separate power adapters. Cisco’s intelligent power management ensures optimal distribution of power across devices, preventing overloading and downtime.

Efficient Energy Management

The SG250-50P-K9 incorporates Cisco EnergyWise technology, which monitors and manages power consumption across the network. This feature not only reduces operational costs but also contributes to sustainable energy usage. Energy-efficient Ethernet ports automatically adjust power based on link status and cable length, further optimizing power savings.

Comprehensive Security Features

Security is a fundamental aspect of the SG250-50P-K9. The switch supports multiple authentication and access control mechanisms, including IEEE 802.1X port-based security, Access Control Lists (ACLs), and Dynamic Host Configuration Protocol (DHCP) snooping. These features safeguard the network against unauthorized access, malware, and other potential threats.

Advanced Threat Protection

ACLs provide granular control over traffic flows, enabling administrators to permit or deny access to specific devices and services. The switch also integrates IP source guard, which protects against IP spoofing attacks, and DHCP snooping, which prevents rogue DHCP servers from disrupting network operations. Together, these capabilities create a secure environment for sensitive business data.

VLAN Segmentation and Isolation

The SG250-50P-K9 supports multiple VLAN configurations, allowing network segmentation for enhanced security and traffic management. VLAN isolation ensures that sensitive data remains confined to authorized users, while reducing broadcast traffic and improving overall network efficiency. This segmentation is particularly valuable in environments where different departments or applications require distinct network policies.

Reliability and Performance

Built for high availability, the SG250-50P-K9 includes features such as Spanning Tree Protocol (STP), Rapid Spanning Tree Protocol (RSTP), and link aggregation. These mechanisms prevent network loops, provide redundancy, and increase bandwidth for critical connections. The switch is designed to operate 24/7, ensuring continuous network availability for mission-critical applications.

Redundancy and Link Aggregation

Link aggregation allows multiple ports to function as a single logical connection, increasing throughput and providing failover capabilities. Redundant links combined with STP or RSTP ensure network resilience, minimizing downtime in case of port or link failures. These features are essential for businesses that demand uninterrupted connectivity.

Quality of Service (QoS)

QoS functionality prioritizes time-sensitive traffic, such as voice and video, ensuring smooth communication even during network congestion. Administrators can configure port-based, VLAN-based, and DSCP-based QoS policies, optimizing network performance for critical applications and improving user experience across the enterprise.

Intuitive Web-Based GUI

The web-based interface provides a graphical view of the network, allowing administrators to configure VLANs, monitor port status, and implement security policies without requiring advanced command-line knowledge. The GUI simplifies network management, reducing the time and effort needed to maintain optimal network performance.

SNMP and Syslog Support

SNMP support allows centralized monitoring of multiple Cisco devices, providing detailed insights into network health, performance, and security events. Syslog integration enables logging of critical system messages, aiding in troubleshooting and ensuring proactive network management. Together, these monitoring tools enhance visibility and control over the entire network infrastructure.

Scalability and Future-Ready Design

The Cisco SG250-50P-K9 is designed to scale with growing business demands. Its modular architecture and flexible port configuration allow easy integration of additional devices and expansion of network capacity. With support for advanced Layer 3 routing, PoE+ deployment, and energy-efficient operation, this switch provides a future-proof solution for evolving network requirements.

Flexible Deployment Options

This switch can be deployed in various network environments, including office networks, branch offices, and campus infrastructures. Rack-mountable design ensures efficient use of space, while desktop or wall-mount installation options provide flexibility for different setups. Its versatility makes it suitable for a wide range of networking scenarios.

Integration with Cisco Ecosystem

Seamless integration with Cisco’s portfolio of network devices, including wireless access points, routers, and security appliances, allows for unified management and consistent policy enforcement across the entire network. The SG250-50P-K9 is fully compatible with Cisco’s Smart Network Management and monitoring tools, simplifying network expansion and administration.

Applications and Use Cases

The Cisco SG250-50P-K9 is ideal for businesses that require a reliable, high-performance network switch with advanced features. Common applications include:

Enterprise and Small Business Networks

Providing connectivity for multiple departments, enabling VLAN segmentation, and ensuring secure data transmission for critical business operations.

VoIP and Video Deployment

PoE+ support and QoS prioritization make this switch suitable for IP telephony systems and video conferencing solutions, ensuring high-quality communication without interruption.

Surveillance and Security Systems

Powering and connecting IP cameras with PoE+ capabilities, supporting centralized monitoring, and maintaining consistent network performance for real-time video feeds.

Port

The SG250-50P-K9 offers 48 Gigabit Ethernet ports and 2 SFP uplink ports, providing a mix of high-speed connections and fiber uplink support for flexible network design.

Performance Metrics

With non-blocking switching architecture and wire-speed forwarding, the switch ensures low latency, high throughput, and consistent performance across all ports.

PoE+ Capabilities

The switch provides up to 24 PoE+ ports with a total power budget of 375W, enabling deployment of powered devices without additional power infrastructure.

Environmental Specifications

Energy-efficient design with Cisco EnergyWise, operating temperature range suitable for office and server room environments, and compliance with industry standards for durability and performance.