Cisco SG350-28SFP-K9-NA Small Business 28 Ports Managed Refurbished

In today's fast-paced digital world, businesses rely on robust networking solutions to ensure seamless communication and data transfer. Cisco, a renowned name in the IT industry, offers a wide range of networking equipment to meet the needs of businesses of all sizes. One such product is the Cisco SG350-28SFP-K9-NA Small Business 28 Ports Managed Switch. This article aims to provide a detailed review of this networking device, focusing on its features, benefits, and applications.

Before delving into the details of the Cisco SG350-28SFP-K9-NA switch, it's essential to understand its key features, as they form the foundation for the review. This managed switch offers a range of functionalities that are designed to enhance network performance and security:

• Performance and Speed: Performance is a critical factor in any network infrastructure. The Cisco SG350-28SFP-K9-NA is equipped with 28 Gigabit Ethernet ports, ensuring high-speed data transfer and minimal latency. It supports data transfer rates of up to 1 Gbps, making it suitable for small to medium-sized businesses.
• Port Configuration: The switch offers versatile port configurations, including 28 SFP (Small Form-Factor Pluggable) ports. SFP ports are ideal for businesses that require high-speed fiber-optic connections. These ports are hot-swappable, allowing for easy expansion or replacement without network disruption.
• Management and Security: Cisco has a strong reputation for providing advanced management and security features in their networking devices. The SG350-28SFP-K9-NA is no exception. It offers features such as VLAN support, Quality of Service (QoS), and robust security protocols to protect your network from unauthorized access and potential threats.
• Layer 3 Routing: This managed switch supports Layer 3 routing capabilities. This feature allows for inter-VLAN routing, which is essential for segmenting and optimizing network traffic in complex network setups.

Performance is a crucial aspect of any network switch, as it directly impacts the efficiency and speed of data transfer within an organization. The Cisco SG350-28SFP-K9-NA excels in this department with its Gigabit Ethernet ports, ensuring high-speed data transmission.

With 28 Gigabit Ethernet ports, this switch offers ample capacity for connecting multiple devices and users. Whether it's for file transfers, video conferencing, or data-intensive applications, the switch's data transfer rates of up to 1 Gbps provide the necessary bandwidth to keep your network running smoothly.

Moreover, the switch supports advanced features like Link Aggregation (LAG), which allows you to combine multiple physical ports into a single logical link. This not only increases the available bandwidth but also provides redundancy, ensuring network reliability. LAG is particularly valuable in scenarios where network uptime is critical.

The port configuration of a switch is vital, as it determines the type and number of devices you can connect. The Cisco SG350-28SFP-K9-NA is equipped with 28 SFP (Small Form-Factor Pluggable) ports, which provide a range of benefits:

• Versatility: SFP ports are highly versatile and compatible with a wide range of networking technologies, including fiber-optic and copper connections. This flexibility allows businesses to choose the most suitable connection type for their specific needs.
• Hot-Swappable: One of the significant advantages of SFP ports is that they are hot-swappable. This means that you can insert or remove SFP modules without powering down the switch or disrupting the network. It's a convenient feature for businesses that need to expand their network or replace faulty modules without causing downtime.
• Fiber-Optic Connectivity: For organizations that require long-distance connections or are located in environments with electromagnetic interference, SFP ports provide an excellent solution. Fiber-optic connections are known for their high speed and immunity to interference, making them ideal for critical applications.

Effective network management and robust security features are essential for safeguarding your organization's data and ensuring the smooth operation of your network. The Cisco SG350-28SFP-K9-NA switch offers a range of features in these areas:

• VLAN Support: VLANs (Virtual Local Area Networks) are a fundamental part of network segmentation. This switch supports VLANs, allowing you to separate your network into smaller, isolated segments. This is particularly valuable for enhancing network security and efficiency. For example, you can create separate VLANs for different departments within your organization, preventing unauthorized access to sensitive data.
• Quality of Service (QoS): QoS is crucial for prioritizing network traffic, ensuring that critical applications receive the necessary bandwidth and low latency. The Cisco SG350-28SFP-K9-NA switch offers QoS features that help you prioritize data traffic based on specific criteria. This is essential for businesses that rely on real-time applications such as voice and video conferencing.
• Robust Security Protocols: Cisco takes network security seriously, and this switch is no exception. It provides a range of security features, including access control lists (ACLs), port security, and 802.1X authentication. These features help protect your network from unauthorized access, potential threats, and network attacks.
• Layer 3 Routing: One of the standout features of this managed switch is its support for Layer 3 routing. Layer 3 routing is essential for complex network setups, allowing for inter-VLAN routing. This means that traffic can flow between different VLANs, facilitating efficient network segmentation and traffic management. It also supports static routing, which is useful for directing traffic to specific destinations.

Now that we have discussed the key features of the Cisco SG350-28SFP-K9-NA switch, let's explore its practical applications and use cases in various business environments:

• Small to Medium-Sized Businesses: This switch is particularly well-suited for small to medium-sized businesses that require a reliable and high-performance network infrastructure. With 28 Gigabit Ethernet ports, it can accommodate multiple users, devices, and data-intensive applications.
• Office Environments: In office settings, the Cisco SG350-28SFP-K9-NA switch can be used to connect computers, printers, IP phones, access points, and other network devices. Its support for VLANs and QoS ensures that critical business applications, such as VoIP (Voice over IP) and video conferencing, receive priority.
• Data Centers: Data centers often require switches with high port densities and the ability to support high-speed fiber-optic connections. The SFP ports on this switch are ideal for connecting servers and storage systems, and its Layer 3 routing capabilities allow for efficient traffic management in complex data center environments.
• Educational Institutions: Educational institutions can benefit from the Cisco SG350-28SFP-K9-NA's robust security features. With VLAN support, they can segment networks for different departments or student and faculty use, ensuring data privacy and network efficiency. The switch is also suitable for connecting various educational technology devices.
• Healthcare Facilities: In healthcare settings, where the security and integrity of patient data are paramount, the Cisco SG350-28SFP-K9-NA's security features play a crucial role. It can support a wide range of medical devices, ensuring network reliability for critical applications.

• Manufacturer: Cisco
• Part Number or SKU# SG350-28SFP-K9-NA
• Product Type: Switch
• Product Name: Networking

• Device Type: Managed L3 Switch with 28 Ports
• Enclosure Type: 1U Rack-Mountable
• Subtype: Gigabit Ethernet
• Ports: 24 x SFP + 2 x combo Gigabit Ethernet/Gigabit SFP
• RAM: 512 MB
• Flash Memory: 256 MB
• Status Indicators: Link/Activity

• Switching Capacity: 56 Gbps
• Forwarding Performance (64-byte Packet Size): 41.66 Mpps
• Capacity: Active VLANs: 4096, ACL Rules: 512
• MAC Address Table Size: 16K Entries
• Jumbo Frame Support: Up to 9216 Bytes
• Routing Protocol: Static IPv4 Routing, CIDR
• Remote Management Protocol: SNMP 1, RMON 1, RMON 2, RMON 3, RMON 9, Telnet, SNMP 3, SNMP 2c, HTTP, HTTPS, TFTP, SSH, CLI
• Encryption Algorithm: SSL
• Authentication Method: Secure Shell (SSH), RADIUS, TACACS+

• Layer 2 and Layer 3 Switching, DHCP Support, VLAN Support, IGMP Snooping, Syslog Support, DoS Attack Prevention, Port Mirroring, DiffServ Support, Weighted Round Robin (WRR) Queuing, Broadcast Storm Control, IPv6 Support, Multicast Storm Control, Unicast Storm Control, Firmware Upgradable, Spanning Tree Protocol (STP) Support, Rapid Spanning Tree Protocol (RSTP) Support, Trivial File Transfer Protocol (TFTP) Support, Access Control List (ACL) Support, Quality of Service (QoS), Jumbo Frames Support, MLD Snooping, 12MB Packet Buffer, 1 Fan

• IEEE 802.3, IEEE 802.3u, IEEE 802.3z, IEEE 802.1D, IEEE 802.1Q, IEEE 802.3ab, IEEE 802.1p, IEEE 802.3x, IEEE 802.3ad (LACP), IEEE 802.1w, IEEE 802.1x, IEEE 802.1s, IEEE 802.3az

• Interfaces: 24 x Gigabit LAN SFP, 2 x 1000Base-T RJ-45/SFP, 1 x console RJ-45 management, 1 x USB management

• Power Device: Internal Power Supply
• Voltage Required: AC 120/230 V (50/60 Hz)

Miscellaneous

• Cables Included: 1 x Power Cable, 1 x Console Cable
• Rack Mounting Kit Included
• MTBF: 101,523 Hours
• Compliant Standards: UL 60950, FCC Part 15 A, CSA 22.2
• Localization: North America

Environmental Parameters

• Min Operating Temperature: 32 °F
• Max Operating Temperature: 122 °F
• Humidity Range Operating: 10% - 90% (Non-condensing)
• Min Storage Temperature: -4 °F
• Max Storage Temperature: 158 °F
• Humidity Range Storage: 10% - 90% (Non-condensing)

In summary, the Cisco SG350-28SFP-K9-NA Small Business 28 Ports Managed Switch is a versatile and feature-rich networking solution designed to meet the needs of small to medium-sized businesses and organizations. Its impressive performance, high-speed data transfer capabilities, and robust management and security features make it a solid choice for businesses looking to enhance their network infrastructure.

While the switch comes with a price tag that may be considered high for some small businesses, its advanced features, such as Layer 3 routing and VLAN support, provide valuable tools for optimizing network performance and security. It's important to consider your specific business requirements and budget when evaluating whether this switch is the right fit for your organization.

The Cisco SG350-28SFP-K9-NA Small Business 28 Ports Managed Switch is a reliable and versatile networking device that can contribute to the efficiency and security of your organization's network. Its suitability for various applications, from small offices to data centers, makes it a valuable asset for businesses seeking a robust and scalable network solution.