Cisco SG550XG-24F-K9-NA 24 Ports Stackable Switch Gigabit Refurbished

Unveiling the Power of the SG550XG-24F-K9-NA 24 Ports Stackable Switch

In the fast-paced world of networking, businesses require reliable and efficient solutions to manage their data traffic. The SG550XG-24F-K9-NA, a 24-port Small Form-factor Pluggable Plus (SFP+) 10GBase-T Layer 3 Optical Fiber Rack-mountable Gigabit Ethernet Stackable Managed Switch, is a powerhouse designed to meet the demands of small to medium-sized enterprises. This guide aims to provide a detailed understanding of its features, functionalities, and benefits making it accessible to users with varying technical expertise.

Understanding the BasicsSmall Business Networking Solutions

In the realm of networking, small businesses require agile, cost-effective solutions. The SG550XG-24F-K9-NA is tailor-made to address the unique needs of small enterprises, offering a balance between performance and affordability.

24 Ports for Enhanced Connectivity

With 24 ports, this switch provides ample connectivity options, catering to the increasing demand for networked devices within small business environments. Each port is a gateway to seamless communication and data transfer.

Overview of SG550XG-24F-K9-NA Gigabit Ethernet Stackable Managed Switch

The SG550XG-24F-K9-NA is a member of Cisco's Small Business Managed Switch series, catering to the networking needs of growing businesses. With 24 ports supporting Small Form-factor Pluggable Plus (SFP+) and 10GBase-T technologies, this switch offers a high-speed and scalable solution for data-intensive tasks.

Small Form-Factor Pluggable Plus (SFP+)

The inclusion of SFP+ technology enhances the switch's flexibility. SFP+ modules enable high-speed data transfer and support a variety of optical and copper interfaces, contributing to a scalable and adaptable network infrastructure.

10GBase-T

With support for 10GBase-T, the switch facilitates 10 Gigabit Ethernet connectivity over twisted pair cables, offering higher bandwidth and faster data transmission. This feature is particularly beneficial for bandwidth-intensive applications and data-intensive tasks.

Layer 3 CapabilitiesThe SG550XG-24F-K9-NA is equipped with Layer 3 capabilities, adding a new dimension to its functionality. Layer 3, also known as the network layer, enables routing and logical addressing, allowing the switch to make intelligent decisions based on IP addresses.Optical Fiber Connectivity Optical Fiber connectivity is a crucial aspect of the Layer 3 capabilities. The switch supports optical fiber connections, ensuring reliable and high-speed data transmission over longer distances. This is particularly advantageous in scenarios where traditional copper cables may face limitations.Security Features Secure Shell and TACACS+

In the realm of networking, security is paramount. The SG550XG-24F-K9-NA addresses this concern through the implementation of Secure Shell (SSH) and Terminal Access Controller Access-Control System Plus (TACACS+).

• Secure Shell (SSH): SSH is a cryptographic network protocol that enhances the security of network communications. By encrypting data during transmission, SSH safeguards sensitive information from unauthorized access, providing a secure channel for remote management and configuration.
• TACACS+: TACACS+ is an authentication, authorization, and accounting (AAA) protocol used to control access to network resources. This protocol adds an extra layer of security by ensuring that only authorized users gain access to the network and that their activities are logged for auditing purposes.

Physical Design
Rack-Mountable and Gigabit Ethernet. Rack-Mountable Design: The SG550XG-24F-K9-NA is designed to be rack-mountable, optimizing space utilization in data centers and network closets. This feature enhances the switch's suitability for environments where floor space is a critical consideration.b. Gigabit Ethernet Gigabit Ethernet support ensures that the switch can handle data at speeds up to 1 gigabit per second. This capability is essential for meeting the increasing bandwidth requirements of modern applications, resulting in improved network performance.Scalability: Stackable Managed Switch

The SG550XG-24F-K9-NA is not just a standalone switch; it offers stackable managed capabilities, enabling the creation of a unified and scalable network infrastructure.

Stackable Configuration

Stackable switches can be physically interconnected to form a single, logical unit. This configuration simplifies network management and enhances scalability by allowing additional switches to be added seamlessly.

Managed Switch Features

As a managed switch, the SG550XG-24F-K9-NA provides administrators with advanced features for network optimization and control. These features include VLAN support, Quality of Service (QoS) settings, and the ability to monitor and manage network traffic.

Reliability and Redundancy

• Dual Power Supply for Redundancy: To minimize the risk of downtime due to power failure, the switch is equipped with dual power supply units. This redundancy ensures continuous operation even if one power supply unit fails, providing businesses with a reliable and resilient networking solution.
• Hot-Swappable Modules for Easy Maintenance: The hot-swappable design of key components, such as power supply units and fans, allows for maintenance without disrupting network operations. This feature is particularly valuable for businesses that require continuous uptime and cannot afford prolonged periods of network downtime.
• Link Aggregation for Redundant Connections: In addition to increasing bandwidth, link aggregation also provides redundancy by offering alternative paths for data transfer. This redundancy is essential for preventing network outages caused by link failures, ensuring uninterrupted connectivity.

Enhanced Network Performance

• Quality of Service (QoS) for Traffic Prioritization: To prioritize critical traffic and ensure a consistent quality of service, the SG550XG-24F-K9-NA incorporates QoS capabilities. This feature is particularly valuable in environments where certain applications or services demand higher network priority, such as voice-over-IP (VoIP) or video conferencing.
• Link Aggregation for Increased Bandwidth: The switch supports link aggregation, allowing multiple ports to be grouped together to form a single, high-bandwidth connection. This enhances overall network performance by providing increased throughput and redundancy, ensuring uninterrupted connectivity even in the event of a link failure.
• Spanning Tree Protocol (STP) for Network Stability: The implementation of Spanning Tree Protocol prevents network loops and enhances overall stability. STP ensures that redundant paths within the network are identified and managed, preventing the creation of loops that could lead to network instability or outages.
• IPv6 Support for Future-Proofing: As the transition to IPv6 becomes increasingly important, the SG550XG-24F-K9-NA ensures future compatibility by supporting IPv6. This feature is essential for businesses looking to future-proof their network infrastructure and stay ahead of evolving technological standards.

General Information for the Cisco Small Business 24 Ports Stackable Managed Switch

• Manufacturer: Cisco
• Part Number or SKU # SG550XG-24F-K9-NA
• Product Type: Stackable Managed Switch

Interfaces/Ports for Layer 3 Optical Fiber Rack-mountable Ethernet Switch

• Total Number of Ports: 24
• Stack Port Yes
• Port/Expansion Slot Details: 24 x 10 Gigabit Ethernet Expansion Slot

Media & Performance of 24 Ports Switch

• Media Type Supported: Optical Fiber
• Ethernet Technology: 10 Gigabit Ethernet
• Network Technology: 10GBase-X

I/O Expansions of Switch Module

• Number of Total Expansion Slots: 24
• Expansion Slot Type: SFP+
• Number of SFP+ Slot:s 24

Management Network & Communication

• Layer Supported: 3
• Manageable: Yes

Management & Protocols

• Routing Protocol: RIP, IGMPv2, IGMP, VRRP, IGMPv3, static IPv4 routing, static IPv6 routing, MLDv2, MLD, CIDR
• Remote Management Protocol: SNMP 1, RMON, SNMP 3, SNMP 2c, HTTP, HTTPS, TFTP, SSH, CLI, SCP
• Encryption Algorithm: MD5, SSL

Authentication Method

• Secure Shell (SSH), RADIUS, TACACS+

Features

• Flow control, DHCP support, BOOTP support, ARP support, IGMP snooping, Syslog support, DoS attack prevention, DiffServ support, Weighted Round Robin (WRR) queuing, Broadcast Storm Control, Multicast Storm Control, Unicast Storm Control, Spanning Tree Protocol (STP) support, Rapid Spanning Tree Protocol (RSTP) support, Virtual Route Redundancy Protocol (VRRP) support, Multiple Spanning Tree Protocol (MSTP) support, DHCP snooping, Access Control List (ACL) support, Quality of Service (QoS), DHCP server, Dynamic ARP Inspection (DAI), STP Root Guard, Uni-Directional Link Detection (UDLD), LLDP support, DHCP relay, Link Aggregation Control Protocol (LACP), Port Security, IP-MAC binding, DHCP client, Energy Efficient Ethernet, Management Information Base (MIB), Multicast VLAN Registration (MVR), Generic Attribute Registration Protocol (GARP), Generic VLAN Registration Protocol (GVRP), Denial of Service (DoS), 802.1x authentication, 16MB packet buffer, Type of Service (ToS), DiffServ Code Point (DSCP) support, IP source guard, Bridge protocol data unit (BPDU), Internet Control Message Protocol (ICMP)

Compliant Standards

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

Memory

• RAM: 512 MB
• Flash Memory: 256 MB

Power Description

• Power Source: Power Supply
• Features: Redundant Power System (RPS) connector
• Frequency Required: 50/60 Hz
• Nominal Voltage: AC 120/230 V

Miscellaneous

• Rack-Mount Kit and Rubber Feet
• DB-9 to RJ45 Serial Cable
• Quick Start Guide
• Pointer Card with China RoHS
• EU Directives 1999/5/EC Compliance Information

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 general, the SG550XG-24F-K9-NA Small Business Managed Switch emerges as a comprehensive solution for businesses seeking a reliable and high-performance networking infrastructure. Its combination of Small Form-factor Pluggable Plus (SFP+) and 10GBase-T technologies, Layer 3 functionality, optical fiber connectivity, rack-mountable design, Gigabit Ethernet support, stackable configuration, advanced management capabilities, and robust security features make it a versatile and scalable choice for small to medium-sized enterprises. Whether you're looking to upgrade your current network or establish a new one, the SG550XG-24F-K9-NA promises to deliver the speed, flexibility, and security needed to meet the evolving demands of modern business environments.