SG500-28-K9 Cisco Small Business SG500-28 Managed Switch

Cisco SG500-28-K9 Managed Switch

The Cisco SG500-28-K9 is a versatile and high-performance managed switch designed for medium-sized networks requiring advanced Layer 2 and Layer 3 capabilities. This stackable switch offers robust connectivity, efficient traffic management, and enhanced network security, making it ideal for enterprise and small business environments.

General Information

• Manufacturer: Cisco
• Part Number: SG500-28-K9
• Device Type: Managed Switch, 28 Ports, Stackable

Technical Features

• Enclosure Type: Rack-mountable design for efficient space utilization
• Port Configuration: 24 x 10/100/1000 Mbps ports, 2 x Combo Gigabit SFP, 2 x SFP slots
• Routing Protocol: Supports Static IP Routing for simplified network management

Layer 2 and Layer 3 Capabilities

• Full Layer 2 switching support for seamless network traffic management
• VLAN support to segment networks efficiently and improve security
• Dynamic VLAN registration with GVRP for automated configuration
• Advanced Layer 3 static IP routing for reliable inter-VLAN communication

Spanning Tree Protocols

• Standard Spanning Tree Protocol (STP) for loop-free topology
• Rapid Spanning Tree Protocol (RSTP) for faster network convergence
• Multiple Spanning Tree Protocol (MSTP) for flexible VLAN management

Security and Access Control

• Access Control List (ACL) support for fine-grained traffic filtering
• IEEE 802.1x network access control for secure authentication

Performance and Quality

• Quality of Service (QoS) for prioritizing critical network traffic
• Link Aggregation Control Protocol (LACP) support for increased bandwidth and redundancy
• Flow control to prevent packet loss during network congestion

Power and Energy Management

• Energy Efficient Ethernet (IEEE 802.3az) support for reduced power consumption
• AC power input: 120/230 V, 50/60 Hz for global compatibility
• Reset button for quick recovery from configuration issues

Standards and Compliance

• IEEE 802.3, 802.3u, 802.3z for Ethernet and Gigabit Ethernet standards
• IEEE 802.1d, 802.1w, 802.1s for spanning tree protocols
• IEEE 802.1q, 802.1p for VLAN tagging and prioritization
• IEEE 802.3ab, 802.3x for Gigabit Ethernet and flow control
• IEEE 802.3ad (LACP) for link aggregation
• IEEE 802.1x for network access control

Cisco SG500-28-K9 Managed Switch

The Cisco SG500-28-K9 is a high-performance managed switch designed for small to medium-sized businesses that require reliable and scalable networking solutions. This switch provides 28 ports of Gigabit Ethernet connectivity, ensuring that multiple devices can communicate efficiently across the network. Built with Cisco's renowned quality and robust hardware, the SG500-28-K9 offers advanced management features while maintaining simplicity for IT administrators.

Advanced Layer 3 Capabilities

Unlike basic unmanaged switches, the Cisco SG500-28-K9 provides advanced Layer 3 functionality, allowing businesses to route traffic efficiently within different subnets. The switch supports static routing and dynamic routing protocols such as RIP and OSPF, enabling more sophisticated network segmentation and optimization. By leveraging Layer 3 capabilities, organizations can achieve better traffic management, enhanced security, and improved network performance.

Integrated Security Features

Security is a key consideration in any small business network, and the SG500-28-K9 addresses this with multiple layers of protection. The switch includes robust access control mechanisms, allowing administrators to define user permissions and control network access. Features such as 802.1X authentication, port security, and ACLs (Access Control Lists) prevent unauthorized devices from gaining network access. Additionally, the switch supports Secure Sockets Layer (SSL) and Secure Shell (SSH) for encrypted management sessions, ensuring that configuration data remains protected from potential threats.

VLAN Support and Network Segmentation

The SG500-28-K9 provides comprehensive VLAN (Virtual Local Area Network) support, allowing businesses to segment their network efficiently. With VLAN capabilities, organizations can isolate traffic for different departments, guest networks, or sensitive systems, reducing congestion and increasing security. The switch also supports dynamic VLAN assignment through protocols like GVRP, which simplifies the deployment of large, segmented networks without manual configuration for each device.

Quality of Service and Performance Optimization

Ensuring that critical applications receive priority traffic is vital for any business network, and the SG500-28-K9 delivers this through robust Quality of Service (QoS) features. The switch supports traffic prioritization, bandwidth allocation, and advanced queuing mechanisms, allowing voice, video, and data applications to operate seamlessly. By managing network congestion and optimizing data flow, organizations can maintain high performance even under heavy traffic loads.

Stacking and Scalability

The Cisco SG500-28-K9 is a stackable switch, allowing multiple units to be interconnected and managed as a single logical switch. This stacking capability enhances scalability, enabling businesses to expand their network without complicated reconfiguration. Stacked switches share a single management IP address and configuration settings, simplifying network administration and reducing operational overhead. This makes the SG500-28-K9 an ideal solution for growing businesses anticipating future network expansion.

Energy Efficiency and Reliability

In addition to performance and functionality, the SG500-28-K9 is designed with energy efficiency in mind. The switch complies with Energy Efficient Ethernet (EEE) standards, reducing power consumption during periods of low network activity. This feature helps lower operational costs while maintaining high performance. Reliability is further enhanced through Cisco's robust hardware design, redundant power supply options, and comprehensive diagnostic tools, ensuring minimal downtime and consistent network availability.

Comprehensive Management Options

Managing a modern network requires flexible tools, and the SG500-28-K9 offers multiple management interfaces for IT administrators. The switch supports a web-based graphical user interface (GUI) that provides intuitive access to all configuration options. Additionally, it includes support for Command-Line Interface (CLI) and Simple Network Management Protocol (SNMP), allowing administrators to integrate the switch into existing network monitoring and management frameworks. This variety of management options ensures that IT teams can tailor network administration to their specific requirements.

PoE and Device Connectivity

The SG500-28-K9 provides support for Power over Ethernet (PoE) on selected ports, simplifying the deployment of network devices such as IP phones, wireless access points, and security cameras. By delivering both data and power through a single cable, PoE reduces the need for additional electrical infrastructure and streamlines installation. The switch offers reliable power management features, allowing administrators to monitor and allocate PoE resources efficiently.

Advanced Monitoring and Diagnostics

Proactive monitoring and diagnostics are essential for maintaining network health, and the SG500-28-K9 includes a suite of tools to assist in this process. The switch supports real-time traffic monitoring, port mirroring, and detailed logging capabilities. These features help administrators quickly identify performance bottlenecks, detect anomalies, and troubleshoot network issues effectively. Additionally, Cisco's embedded Event Management (EEM) enables automated responses to specific network events, further enhancing reliability and uptime.

Small Business Deployment Scenarios

The Cisco SG500-28-K9 is particularly well-suited for small to medium-sized enterprises that require a combination of advanced features and ease of use. Common deployment scenarios include office networks, branch offices, educational institutions, and retail environments. In each of these settings, the switch provides reliable Gigabit connectivity, advanced routing, security, and management capabilities. Its compact form factor allows easy integration into existing racks or desktop deployments, making it versatile for various networking environments.

Integration with Existing Infrastructure

Businesses often need to integrate new switches into pre-existing network infrastructure, and the SG500-28-K9 is designed for seamless compatibility. It supports standard Ethernet protocols, VLAN tagging, and interoperates with other Cisco devices as well as third-party networking hardware. This ensures that organizations can enhance their network performance without requiring a complete overhaul of their current systems. The switch's flexible configuration options allow for smooth integration with diverse network architectures, minimizing disruption during deployment.

Future-Proof Networking

As businesses grow and their networking requirements evolve, the Cisco SG500-28-K9 provides a future-proof solution. Its stackable design, support for advanced routing, and PoE capabilities ensure that the switch remains relevant as network demands increase. By investing in this managed switch, organizations gain a scalable, secure, and high-performance network backbone capable of supporting emerging technologies and applications for years to come.

Technical Specifications and Features

The SG500-28-K9 includes 28 Gigabit Ethernet ports, with options for PoE+ support on select ports, and two SFP (Small Form-Factor Pluggable) uplink ports for fiber connectivity. The switch supports advanced Layer 3 routing, including static routes, RIP, and OSPF, alongside VLAN, QoS, and ACL features. Management options include web GUI, CLI, SNMP, and Cisco Network Assistant integration. Additional features include redundant power supply support, energy-efficient operation, and extensive diagnostic and monitoring tools, ensuring optimal performance and reliability in demanding small business environments.