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

In the dynamic landscape of networking solutions, Cisco has been a stalwart, consistently delivering cutting-edge technologies to meet the diverse needs of businesses. The Cisco SG500-28-K9, part of the Small Business SG500-28 series, stands as a testament to Cisco's commitment to providing robust and scalable networking solutions tailored for small and medium-sized enterprises (SMEs). This comprehensive guide delves into the features, functionalities, and advantages of the Cisco SG500-28-K9 managed switch, unraveling its potential to elevate network performance for businesses of all sizes.

Before delving into the specifics of the SG500-28-K9, it's crucial to comprehend the broader context of the Small Business SG500-28 series. Designed with the unique requirements of small and medium-sized businesses in mind, this series aims to provide a balance between affordability and advanced features. The SG500-28 series switches are characterized by their scalability, reliability, and ease of management, making them an ideal choice for businesses looking to enhance their network infrastructure without breaking the bank.

The Cisco SG500-28-K9 managed switch comes equipped with a plethora of features designed to empower businesses with a resilient and high-performance network. Let's explore some of the key features that set this switch apart:

The SG500-28-K9 boasts a total of 28 Gigabit Ethernet ports, providing ample connectivity for various devices within the network. These high-speed ports facilitate seamless data transfer, support bandwidth-intensive applications, and enable faster communication between connected devices.

With a non-blocking switching capacity of up to 56 Gbps, the SG500-28-K9 ensures efficient data throughput. This is particularly advantageous in scenarios where multiple devices are concurrently accessing the network, preventing bottlenecks and ensuring a smooth and responsive network experience for users.

The switch supports Virtual Local Area Networks (VLANs), allowing for the segmentation of the network into distinct virtual networks. This feature enhances network security and management by isolating traffic and controlling communication between different segments.

As businesses transition towards IPv6, the SG500-28-K9 provides support for both IPv4 and IPv6 protocols. This dual-stack capability ensures future-proofing, enabling seamless integration into evolving network infrastructures.

To optimize network performance, the switch incorporates Quality of Service (QoS) features. This includes the ability to prioritize specific types of network traffic, ensuring that critical applications receive the necessary bandwidth for optimal operation. Whether it's voice, video, or data, QoS on the SG500-28-K9 enables efficient traffic management.

Administrators can exercise granular control over bandwidth allocation, preventing bandwidth-hungry applications from monopolizing resources. This feature is particularly beneficial in environments where diverse applications with varying bandwidth requirements coexist.

Access Control Lists (ACLs)

The implementation of Access Control Lists (ACLs) on the SG500-28-K9 enhances network security by allowing administrators to define rules for controlling traffic flow. This enables the restriction of unauthorized access and mitigates potential security threats.

Secure Shell (SSH) and Secure Sockets Layer (SSL) Encryption

To safeguard sensitive data during remote management sessions, the switch supports SSH and SSL encryption protocols. These encryption mechanisms ensure secure communication between administrators and the switch, protecting against eavesdropping and unauthorized access.

Web-Based Interface

The SG500-28-K9 features a user-friendly web-based interface that simplifies the configuration and management processes. This intuitive interface is designed to accommodate users with varying levels of technical expertise, enabling efficient network administration.

Command Line Interface (CLI)

For advanced users familiar with command-line interfaces, the switch offers a robust CLI for configuration. This flexibility caters to the preferences of network administrators who prefer command-line interactions for precise control.

The SG500-28-K9 is a 28-port managed switch from the Cisco Small Business SG500 series. This switch provides advanced network management capabilities, security features, and high-performance switching for small and medium-sized businesses. The SG500-28-K9 supports a range of features to help organizations optimize network performance, increase network security, and simplify network management. Some of the key features of the SG500-28-K9 switch include:

• Advanced Routing and Switching: The switch supports advanced routing and switching protocols, such as OSPF and BGP, to provide efficient and scalable network connectivity.
• Quality of Service (QoS): The switch supports QoS to prioritize network traffic and ensure critical applications receive the bandwidth they need.
• Link Aggregation (LAG): The switch supports LAG to load balance network traffic and provide redundancy for increased network reliability.
• Power over Ethernet (PoE): The switch supports PoE to power devices, such as IP phones and wireless access points, over the network.
• Security Features: The switch provides security features, such as access control lists (ACLs) and port security, to help protect against unauthorized network access and other security threats.

The SG500-28-K9 is designed to provide reliable network performance for small businesses. It has several features that contribute to its reliability:

• High-Performance Switching: The switch provides a high-performance switching engine with a switching capacity of 52 Gbps, ensuring that critical applications receive the bandwidth they need for optimal performance.
• Link Aggregation: Link Aggregation Control Protocol (LACP) support allows administrators to bundle multiple physical links into a single logical link, providing increased bandwidth and redundancy.
• Spanning Tree Protocol: Supports Spanning Tree Protocol (STP) to prevent loops and ensure a single active path between switches, helping prevent network outages and improve network reliability.
• Quality of Service (QoS): Supports QoS to prioritize network traffic based on the type of data being transmitted, helping ensure that critical applications receive the bandwidth they need even during periods of heavy network traffic.
• Reliable Management: The switch provides a web-based GUI for configuration and management, as well as Simple Network Management Protocol (SNMP) support for remote monitoring and management, making it easy to manage and maintain.
• Redundant Power Supply: The switch has an optional redundant power supply, providing increased reliability and availability by providing a backup power source in the event of a power failure.

The SG500-28-K9 Cisco Small Business SG500-28 Managed Switch provides robust security and dynamic quality of service (QoS) capabilities to ensure reliable and secure network operation:

• Robust security features: The switch provides security features, such as access control lists (ACLs), secure shell (SSH), and secure socket layer (SSL) for secure remote management, and port security, to help protect against unauthorized network access and other security threats.
• Dynamic Quality of Service (QoS): The switch supports dynamic QoS, which allows administrators to prioritize network traffic and ensure critical applications receive the bandwidth they need. This helps to optimize network performance and prevent network bottlenecks.
• Link Aggregation (LAG): The switch supports LAG to load balance network traffic and provide redundancy for increased network reliability.

• Manufacturer: Cisco
• Model Number or SKU# SG500-28-K9
• Product Series: 500
• Product Model: SG500-28
• Product Name: SG500-28 Ethernet Switch
• Product Type: Ethernet Switch

• Total Number of Network Ports: 24
• Token Ring Port: No
• LRE Port: No
• Bypass: No
• Modular: No
• Management Port: Yes
• Stack Port: Yes
• Number of Network (RJ-45) Ports: 24

• Media Type Supported: Twisted Pair
• Twisted Pair Cable Standard: Category 5
• Ethernet Technology: Fast Ethernet, Gigabit Ethernet
• Network Technology: 10/100/1000Base-T

• Number of Total Expansion Slots: 4
• Number of SFP Slots: 4

• Standard Memory: 256 MB
• Flash Memory: 32 MB

Power Description

• PoE (RJ-45) Port: No
• Input Voltage: 110 V AC, 220 V AC
• Power Source: Power Supply

In general, the Cisco SG500-28-K9 managed switch is a versatile and powerful solution tailored for the networking needs of small and medium-sized businesses. With its rich feature set, intuitive management interface, and robust security measures, the SG500-28-K9 empowers businesses to build and maintain efficient and secure networks. By understanding its key features, deploying best practices during installation and setup, and leveraging advanced configuration options, network administrators can harness the full potential of the Cisco SG500-28-K9 to create a resilient and high-performance network infrastructure. As technology continues to advance, Cisco remains at the forefront, providing innovative solutions that propel businesses into the future.