Cisco SG550X-24P-K9-NA 24 Ports Stackable Switch Layer 3 Refurbished

In the ever-evolving landscape of networking, the Cisco SG550X-24P-K9-NA emerges as a stalwart, offering a robust solution for businesses seeking efficient and scalable network management. This comprehensive review aims to dissect the intricacies of this 24-port stackable switch, emphasizing its Layer 3 managed capabilities.

The Cisco SG550X-24P-K9-NA is a member of the Cisco 550X Series, designed to cater to the networking needs of modern enterprises. Its 24 ports Ethernet provides ample connectivity options, ensuring a seamless flow of data within a network. This switch is not merely a conduit for data; it is a sophisticated, stackable device with Layer 3 management capabilities, elevating it to a pivotal role in network architecture.

The core strength of the Cisco SG550X-24P-K9-NA lies in its 24 ports, which act as gateways for data transfer. Each port is a potential link, facilitating the interconnection of various devices within a network. This abundance of ports is a testament to the scalability of the switch, making it suitable for both small-scale setups and larger, more complex networks.

One standout feature of this Cisco switch is its stackable design. This means that multiple switches can be seamlessly connected, forming a unified and highly scalable network infrastructure. This capability empowers businesses to expand their networks without compromising on performance, offering a future-proof solution for growing connectivity needs.

The Layer 3 management capabilities of the SG550X-24P-K9-NA switch add a layer of intelligence to network operations. Unlike Layer 2 switches that operate at the data link layer, Layer 3 switches can make decisions based on IP addresses, enabling efficient routing and better optimization of network traffic. This is particularly beneficial in large networks where intelligent routing is crucial for maintaining optimal performance.

Power over Ethernet (PoE) is a game-changer for devices like IP cameras, VoIP phones, and access points. The SG550X-24P-K9-NA is equipped with PoE capabilities, allowing it to supply power to connected devices through the same Ethernet cables used for data transfer. This not only simplifies cable management but also ensures that crucial network devices remain powered even in the event of a power outage.

Security is a paramount concern in today's digital landscape, and the Cisco SG550X-24P-K9-NA addresses this with a suite of robust security features. From access control lists (ACLs) to secure management access, this switch provides multiple layers of protection, safeguarding the integrity of the network and the data flowing through it.

In the realm of networking, speed is of the essence. The SG550X-24P-K9-NA boasts Gigabit Ethernet speeds, ensuring rapid data transfer between connected devices. This high-speed capability is essential for bandwidth-intensive applications and large data transfers, making the switch well-suited for diverse business environments.

Business continuity hinges on the reliability of network infrastructure. The Cisco SG550X-24P-K9-NA incorporates features such as link aggregation and redundancy protocols to enhance network reliability. In the event of a link failure, these mechanisms ensure that data can still flow through alternate paths, minimizing downtime and preserving the integrity of critical operations.

The SG550X-24P-K9-NA supports Power over Ethernet, eliminating the need for separate power sources for connected devices.

This feature is particularly useful for powering devices like IP cameras, VoIP phones, and wireless access points, simplifying installation and reducing cable clutter.

Gigabit Ethernet: With Gigabit Ethernet support, the switch ensures high-speed data transfer for bandwidth-intensive applications.

10-Gigabit Uplinks: The inclusion of 10-Gigabit uplinks enhances network performance and accommodates the increasing data traffic in modern environments.

Access Control Lists (ACLs): The switch supports ACLs, allowing administrators to control traffic flow and enhance network security.

Secure Shell (SSH) and Secure Sockets Layer (SSL): These encryption protocols ensure secure communication and protect against unauthorized access.

Quality of Service (QoS):

QoS capabilities prioritize network traffic, ensuring that critical applications receive the necessary bandwidth for optimal performance.

This is crucial for maintaining a responsive and efficient network, particularly in environments with diverse application requirements.

The Cisco SG550X-24P-K9-NA is not just a standalone device; it seamlessly integrates with the broader Cisco ecosystem. This compatibility ensures a cohesive networking environment, allowing businesses to leverage the full potential of Cisco's networking solutions.

For organizations seeking advanced network management capabilities, the switch is compatible with the Cisco Smart Network Application (SNA). This application provides a centralized platform for network management, offering a unified view of the entire network and streamlining administrative tasks.

• Manufacturer: Cisco
• Model Number or SKU# SG550X-24P-K9-NA
• Product Series: 550X
• Product Type: Layer 3 Switch

• Total Number of Network Ports: 24
• Uplink Port: Yes
• Modular: Yes
• Stack Port: Yes

• 4 x 10 Gigabit Ethernet Expansion Slot
• 2 x 10 Gigabit Ethernet Uplink
• 24 x Gigabit Ethernet Network

• Forwarding Performance (64-byte packet size): 95.23 Mpps
• Switching Capacity: 128 Gbps
• MAC Address Table Size: 16K entries
• Jumbo Frame Support: 9216 bytes

• Media Type Supported: Twisted Pair, Optical Fiber
• Ethernet Technology: 10 Gigabit Ethernet, Gigabit Ethernet
• Network Technology: 10GBase-T, 10/100/1000Base-T, 10GBase-X

• Number of Total Expansion Slots: 4
• Expansion Slot Type: SFP+
• Shared SFP Slot: Yes
• Number of SFP+ Slots: 4

Memory

• RAM: 256 MB
• Flash Memory: 32 MB

Network & Communication

• Layer Supported: 3

Management & Protocols

• Manageable: Yes
• Networking Protocol: PoE+
• Routing Protocol: Static IP routing
• Remote Management Protocol: SNMP 1, SNMP 3, SNMP 2c, HTTP, HTTPS

Power Description

• Power Source: Power Supply
• PoE Budget: 195W
• Power: 100 - 240V 47 - 63 Hz, internal, universal
• Consumption: 110V=49.4W, 220V=50.1W
• Redundant Power Supply Supported: No

Miscellaneous

• Package Contents:
• SG550X-24P Layer 3 Switch
• Power Cord
• Cables Included: 1 x serial cable
• Rack Mounting Kit Included
• MTBF: 299,949 hours
• CD-ROM with User Documentation (PDF)
• Quick Start Guide

Compliant Standards

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

In summary, the Cisco SG550X-24P-K9-NA stands as a formidable contender in the realm of network switches. Its 24 ports, stackable design, Layer 3 management capabilities, and robust security features make it a versatile and reliable choice for businesses of all sizes. From facilitating seamless connectivity to ensuring optimal network performance, this switch combines power and intelligence to meet the evolving demands of modern networking.