SG250-50P-K9-NA Cisco Layer 3 Managed Switch Gigabit Ethernet

Cisco SG250-50P-K9-NA Layer 3 Managed Switch

The Cisco SG250-50P-K9-NA is a high-performance Layer 3 managed switch designed for small to medium-sized business networks. Combining robust Gigabit Ethernet connectivity with advanced management capabilities, this switch ensures reliable data transmission and seamless network operations.

Model Information

• Manufacturer: Cisco
• Part Number: SG250-50P-K9-NA
• Product Type: Ethernet Switch

Key Interface Features

• Total Network Ports: 50
• Uplink Port: Available for high-speed connections
• Port Configuration: 50 x Gigabit Ethernet ports
• Layer Support: Layer 3 for advanced routing
• Management Capability: Fully manageable for network optimization

Supported Network Features

• Media Type: Twisted Pair Cabling
• Ethernet Standard: Gigabit Ethernet
• Network Protocol: 1000BASE-X

Power Specifications

• Power Source: Standard Power Supply
• Redundant Power Support: Not available

Management Capabilities

• VLAN Support for traffic segmentation
• Quality of Service (QoS) prioritization
• Port Mirroring for network analysis
• SNMP monitoring and alerts

Key Advantages

• Scalable network expansion with 50 Gigabit ports
• Enhanced routing capabilities with Layer 3 support
• Energy-efficient operation with reliable power supply
• Comprehensive manageability for seamless network control

Cisco SG250-50P-K9-NA Layer 3 Managed Switch

The Cisco SG250-50P-K9-NA is a high-performance Layer 3 managed switch designed for small to medium-sized businesses seeking advanced network control and seamless integration. This gigabit Ethernet switch delivers robust security, efficient traffic management, and comprehensive PoE+ support, making it ideal for environments with high device density and power requirements. The SG250-50P-K9-NA enhances network reliability while providing extensive management options for IT administrators.

Advanced Layer 3 Routing Capabilities

With Layer 3 routing capabilities, the Cisco SG250-50P-K9-NA supports inter-VLAN routing, static routes, and RIP v1/v2 routing protocols. This allows businesses to segment networks efficiently and maintain high-speed communication between VLANs without compromising performance. The switch also provides support for advanced routing features such as IP multicast routing, enabling optimized bandwidth usage for streaming and multimedia applications.

Inter-VLAN Routing for Seamless Connectivity

Inter-VLAN routing is a crucial feature for enterprises that require efficient communication between multiple network segments. The SG250-50P-K9-NA allows administrators to create and manage multiple VLANs, ensuring that devices in different network segments can communicate securely and efficiently. This reduces network congestion and improves overall data throughput.

Static and Dynamic Routing Options

The switch offers both static and dynamic routing options to adapt to varying network requirements. Static routing ensures predictable and consistent data paths, while dynamic routing protocols such as RIP v1 and v2 provide automatic route adjustments in response to network topology changes. This combination of routing capabilities enhances network resilience and simplifies administration.

Gigabit Ethernet Performance

The SG250-50P-K9-NA provides 48 gigabit Ethernet ports with full PoE+ support and 2 additional Gigabit SFP uplink ports for high-speed fiber connectivity. These features enable businesses to connect multiple devices, including IP phones, cameras, and access points, without sacrificing network speed or reliability. The switch ensures full-duplex transmission and supports jumbo frames for improved data efficiency, making it suitable for multimedia and large file transfers.

High-Density Port Configuration

Designed for growing businesses, the switch offers a high-density port configuration to connect numerous devices without the need for additional switches. Its PoE+ capability delivers sufficient power to connected devices, eliminating the need for separate power adapters and reducing cable clutter. This port density and PoE support make the SG250-50P-K9-NA an excellent choice for small and medium-sized enterprise networks.

Optimized Uplink Connectivity

The inclusion of dual Gigabit SFP uplink ports allows for flexible network expansion and integration with fiber-optic backbones. These uplinks support high-bandwidth connections to core switches or other network segments, providing low-latency and high-throughput communication. The SFP ports also enable long-distance connections, which is essential for campus networks or distributed offices.

Power over Ethernet (PoE+) Functionality

The Cisco SG250-50P-K9-NA supports full PoE+ on all 48 Ethernet ports, providing up to 30 watts per port to power devices such as IP phones, wireless access points, and security cameras. This eliminates the need for additional power infrastructure and simplifies network deployment. The switch intelligently allocates power to connected devices based on demand, ensuring efficient energy utilization.

Intelligent Power Management

Power management features of the SG250-50P-K9-NA enable administrators to monitor and allocate PoE resources across the network effectively. This includes prioritization of critical devices, scheduling power usage, and monitoring real-time power consumption. Such capabilities enhance operational efficiency, reduce energy costs, and ensure reliable operation of all PoE-powered devices.

PoE Budget and Allocation

The switch provides a total PoE budget that can be distributed dynamically across connected devices. Administrators can configure individual port power limits and allocate resources according to device priority. This ensures uninterrupted operation of essential network devices even during peak power demand scenarios.

Seamless Deployment for VoIP and Wireless Networks

With its PoE+ support, the SG250-50P-K9-NA is ideal for deploying Voice over IP (VoIP) solutions and wireless networks. IP phones receive both data and power through a single Ethernet cable, while access points gain the flexibility to be positioned optimally for coverage without requiring nearby electrical outlets. This simplifies installation and reduces operational costs.

Security Features for Enterprise Networks

Cisco SG250-50P-K9-NA offers advanced security measures to protect sensitive business data. The switch includes 802.1X network access control, DHCP snooping, dynamic ARP inspection, and IP-MAC-Port binding, all of which prevent unauthorized access and mitigate potential threats. These features ensure secure connectivity and protect critical business applications from network attacks.

Layer 2 and Layer 3 Security

The switch integrates both Layer 2 and Layer 3 security mechanisms to provide comprehensive protection. Layer 2 security focuses on access control and traffic filtering, while Layer 3 security handles IP-based access policies and routing restrictions. This dual-layer security model reduces vulnerabilities and strengthens the overall network integrity.

Advanced Access Control Policies

Administrators can define access control policies based on user roles, device types, and network segments. This ensures that only authorized users and devices can access specific resources, enhancing compliance with corporate security standards. The SG250-50P-K9-NA supports VLAN-based access policies and secure management protocols, which further safeguard the network.

Secure Management and Monitoring

The switch provides secure management options including HTTPS, SSH, and SNMPv3 for encrypted monitoring and configuration. Real-time logging and alert systems notify administrators of unusual network activity, allowing rapid response to potential security incidents. This level of visibility ensures continuous network protection and operational reliability.

Management and Monitoring Capabilities

Cisco SG250-50P-K9-NA offers flexible management options suitable for both novice and experienced IT administrators. The switch can be managed through an intuitive web-based GUI, Cisco Network Assistant, or through command-line interface (CLI) for more advanced configurations. These options provide full control over network performance, security, and device connectivity.

Web-Based Interface and Cisco Network Assistant

The web-based interface provides a graphical overview of network status, device configurations, and traffic statistics. Cisco Network Assistant simplifies network management for small to medium-sized enterprises by providing topology views, troubleshooting tools, and firmware updates in a centralized platform. This ensures efficient network maintenance and reduces operational complexity.

CLI and Automation Support

For advanced users, the switch offers a comprehensive CLI that allows precise configuration of routing, VLANs, and security policies. Automation features, including scripting and scheduled tasks, help streamline repetitive management tasks and ensure consistent network policies. These capabilities improve productivity and reduce human error in network operations.

Reliability and Quality of Service

The Cisco SG250-50P-K9-NA is engineered for high availability and consistent network performance. Quality of Service (QoS) features prioritize traffic for critical applications such as voice, video, and mission-critical data, ensuring uninterrupted communication and smooth user experiences. Redundant power supply support and spanning-tree protocol enhance network resilience.

Enhanced QoS for Critical Applications

Advanced QoS mechanisms allow administrators to classify, prioritize, and schedule traffic based on application requirements. Voice and video traffic can be given the highest priority, while bulk data transfers are managed to avoid network congestion. This guarantees low latency and high performance for time-sensitive applications.

Redundancy and Resilience

Network reliability is reinforced through support for spanning-tree protocol, link aggregation, and redundant uplinks. These features prevent network loops, balance traffic across multiple links, and maintain connectivity during failures, minimizing downtime and ensuring uninterrupted business operations.

Environmental and Operational Efficiency

The SG250-50P-K9-NA switch is designed for energy efficiency, featuring Cisco EnergyWise technology to monitor and optimize power consumption. Intelligent fan control and efficient PoE allocation reduce operational costs while maintaining high-performance standards. This ensures that the network remains both reliable and environmentally sustainable.

Integration with Cisco Ecosystem

Cisco SG250-50P-K9-NA seamlessly integrates with other Cisco networking devices, enabling simplified deployment and centralized management across the enterprise. Compatibility with Cisco Access Points, routers, and security appliances allows for cohesive network design and streamlined troubleshooting. This integration enhances overall IT infrastructure efficiency.

Scalable Network Expansion

Designed with future growth in mind, the SG250-50P-K9-NA supports network expansion through stacking and uplink ports. Businesses can easily add additional switches or integrate with higher-layer Cisco devices without significant reconfiguration. This scalability ensures long-term network viability as organizational needs evolve.

Unified Management Across Devices

Integration with Cisco Prime and Network Assistant provides unified management across multiple network devices. Administrators can deploy consistent policies, monitor performance, and troubleshoot issues from a single platform. This centralized approach reduces administrative overhead and improves operational efficiency.