SF220-24P-K9-NA Cisco 24 Ports Managed Switch

Cisco SF220-24P-K9-NA Smart Plus 24 Ports Managed Switch 

The Cisco SF220-24P-K9-NA Small Business Smart Plus switch delivers a robust and flexible networking solution for small and medium enterprises. This Layer 2 managed switch provides reliable connectivity, high-speed data transmission, and extensive Power over Ethernet (PoE+) support, making it ideal for expanding business networks efficiently.

General Specifications

• Manufacturer: Cisco
• Model Number: SF220-24P-K9-NA
• Product Series: 220 Smart Plus
• Device Type: Ethernet Managed Switch

Network Interfaces and Connectivity

• Total Ports: 24
• Uplink Port: Included for high-speed network expansion
• PoE+ Ports: 24 RJ-45 ports providing power to connected devices
• Additional Network Ports: 2 RJ-45

Expansion Slot Capabilities

• 2 x Gigabit Ethernet Network Ports
• 24 x Fast Ethernet Ports
• 2 x Gigabit Ethernet SFP Expansion Slots

Performance and Network Technologies

• Supported Media: Twisted Pair
• Cable Standard: Category 5
• Ethernet Standards: Fast Ethernet, Gigabit Ethernet
• Network Technologies: 10/100Base-TX, 10/100/1000Base-T, 1000Base-X

Expansion and I/O Features

• Total Expansion Slots: 2
• Slot Type: SFP (Small Form-Factor Pluggable)
• Shared SFP Slots: Yes, supporting modular networking
• Number of SFP Ports: 2

Network Management and Protocol Support

• Layer Support: Layer 2 switching
• Management Interfaces: Web-based, CLI, Remote Management
• Protocols Supported:
• SNMP v1, v2c, v3
• Telnet
• RMON
• MIB
• DHCP

Memory and Storage

• Standard Memory: 128 MB
• Flash Memory: 32 MB

Reliability and Power Efficiency

• Mean Time Between Failures (MTBF): 445,488 hours
• Input Voltage Options: 120 V AC, 230 V AC
• Power Supply: Internal, supports PoE+ devices

Key Advantages of Cisco SF220-24P-K9-NA

• Supports PoE+ for powering IP phones, cameras, and access points
• Scalable network with multiple expansion slots
• Comprehensive management through web interface and CLI
• High reliability with extended MTBF ratings
• Optimized for small business networking and future growth

Cisco SF220-24P-K9-NA Business Smart Plus Managed Switch

The Cisco SF220-24P-K9-NA is part of Cisco’s Small Business Smart Plus series, designed for small and medium-sized enterprises that require advanced network management capabilities with simplified deployment. This 24-port managed switch supports Power over Ethernet (PoE), providing both data connectivity and electrical power over a single cable, making it ideal for IP phones, wireless access points, and surveillance cameras. It combines performance, reliability, and affordability, ensuring seamless network operations and enhanced control for growing businesses.

Advanced Layer 2 Switching Capabilities

The SF220-24P-K9-NA switch offers comprehensive Layer 2 switching features that enable efficient traffic management and optimized network performance. These include support for VLANs, Quality of Service (QoS), and link aggregation. VLAN support allows segmentation of network traffic, enhancing security and reducing broadcast congestion. QoS prioritizes critical traffic, such as voice and video, ensuring smooth communication without interruptions. Link aggregation combines multiple ports to increase bandwidth and provide redundancy, which is essential for maintaining high availability in small business environments.

VLAN and Network Segmentation

The SF220-24P-K9-NA provides advanced VLAN functionality, allowing network administrators to create multiple logical networks within a single physical switch. This feature ensures that sensitive data is isolated, while different departments can operate on separate virtual networks. The switch supports port-based, 802.1Q, and Voice VLAN, giving administrators the flexibility to configure the network according to specific business needs. Network segmentation improves security, reduces broadcast storms, and increases overall network efficiency.

Quality of Service (QoS) for Business Applications

QoS in the SF220-24P-K9-NA switch enables prioritization of network traffic based on type, application, or port. This ensures that latency-sensitive applications, such as IP telephony or video conferencing, receive the necessary bandwidth and performance. By applying traffic prioritization policies, businesses can maintain high-quality voice and video communication even during peak network usage periods. QoS features contribute to a better user experience and ensure that critical business operations run smoothly.

Link Aggregation and Redundancy

The SF220-24P-K9-NA supports link aggregation, which allows combining multiple physical ports into a single logical link to increase throughput and provide network redundancy. This feature ensures that if one link fails, traffic is automatically rerouted through other available links, preventing downtime and maintaining network reliability. Link aggregation is particularly beneficial for small businesses that rely on stable connectivity for applications such as file sharing, cloud services, and VoIP communications.

Power over Ethernet (PoE) Functionality

The Cisco SF220-24P-K9-NA provides PoE capabilities on its 24 ports, supplying power directly to connected devices without the need for separate power adapters. This functionality is essential for deploying IP cameras, wireless access points, and VoIP phones efficiently. The switch intelligently allocates power to devices based on priority and requirements, optimizing energy usage while ensuring all connected devices operate reliably. PoE simplifies network deployment, reduces cabling complexity, and lowers overall infrastructure costs for small businesses.

PoE Power Management

The SF220-24P-K9-NA allows administrators to monitor and manage PoE usage across the network. Each port can be individually configured for PoE allocation, which ensures critical devices receive uninterrupted power. The switch provides real-time monitoring of power consumption, enabling efficient energy management and preventing power overloads. This intelligent PoE management reduces operational costs and extends the lifespan of connected devices.

Security Features and Access Control

Security is a top priority for small businesses, and the SF220-24P-K9-NA delivers multiple security mechanisms to safeguard network data. The switch supports 802.1X port-based authentication, which ensures that only authorized users and devices can access the network. Additionally, it includes access control lists (ACLs) for filtering traffic and preventing unauthorized access, as well as DHCP snooping, dynamic ARP inspection, and IP source guard to protect against common network attacks. These features help maintain data confidentiality, integrity, and availability, providing a secure network environment for business operations.

802.1X Network Access Control

Port-based authentication using 802.1X ensures that each device attempting to connect to the network is verified before gaining access. This feature is particularly valuable for organizations handling sensitive information, as it prevents unauthorized users from exploiting network resources. By integrating with a RADIUS server, the SF220-24P-K9-NA allows centralized authentication and policy enforcement for a more secure network infrastructure.

Advanced Access Control Lists (ACLs)

The switch supports ACLs, enabling network administrators to define rules that permit or deny traffic based on source or destination IP addresses, protocols, or port numbers. ACLs enhance network security by controlling access to critical resources, mitigating potential threats, and ensuring compliance with internal security policies. With ACLs, small businesses can protect sensitive data while maintaining efficient network performance.

Web-Based Graphical User Interface

The web interface of the SF220-24P-K9-NA provides an easy-to-use platform for configuring switch settings, monitoring port status, and managing VLANs and QoS policies. It offers visual representations of network activity, simplifying troubleshooting and performance analysis. The graphical interface allows even small business teams with limited technical expertise to efficiently manage the network without relying on complex command-line operations.

Command-Line Interface (CLI) Management

For more advanced users, the switch supports CLI management via SSH or console access. The CLI allows detailed configuration and scripting for automation of repetitive tasks. Administrators can implement precise network policies, monitor detailed statistics, and perform bulk configuration changes. CLI management provides flexibility for businesses that require advanced control over their network infrastructure.

SNMP and Network Monitoring

The SF220-24P-K9-NA is compatible with SNMP, allowing integration with enterprise network management systems. SNMP enables real-time monitoring of network performance, traffic analysis, and automatic alerts in case of failures or unusual activity. This proactive monitoring helps prevent network disruptions, enhances operational efficiency, and supports the growth of business networks by identifying potential bottlenecks before they impact performance.

Reliability and Performance

The Cisco SF220-24P-K9-NA delivers high reliability and consistent performance, ensuring uninterrupted network operation for small businesses. With non-blocking architecture and high switching capacity, the switch efficiently handles multiple simultaneous connections without performance degradation. Energy-efficient design, coupled with robust hardware components, ensures long-term durability and reduced operational costs. Businesses can rely on this switch to support critical applications and maintain smooth network performance even under high traffic loads.

Non-Blocking Architecture

The SF220-24P-K9-NA utilizes a non-blocking switching architecture that ensures full bandwidth is available to all ports simultaneously. This design minimizes latency and packet loss, providing consistent and predictable network performance. Non-blocking architecture is essential for businesses running high-demand applications such as video streaming, VoIP, and cloud services.

Energy-Efficient Design

The switch incorporates Cisco’s energy-saving technologies, including power-efficient Ethernet and intelligent fan control. These features reduce energy consumption without compromising performance, contributing to lower operational costs and a smaller environmental footprint. Energy efficiency is particularly important for small businesses seeking to optimize expenses while maintaining reliable network infrastructure.

Deployment and Scalability

The SF220-24P-K9-NA is designed for easy deployment and scalability, supporting the growth of small business networks. Rack-mountable design, intuitive configuration, and automatic detection of connected devices simplify setup and reduce deployment time. The switch can easily be expanded with additional Smart Plus switches to accommodate increasing network demands, providing a scalable solution that grows with the organization.

Rack-Mountable Form Factor

The compact rack-mountable design allows for convenient installation in standard 19-inch network racks. The switch can be integrated alongside other networking equipment, optimizing space utilization and providing a neat, organized network environment. Rack-mount compatibility simplifies expansion and maintenance, supporting growing business needs.

Scalable Network Expansion

The SF220-24P-K9-NA supports stacking and interconnection with other Cisco Smart Plus switches, enabling seamless network expansion. Businesses can increase port density, connect additional devices, and enhance network performance without significant reconfiguration. Scalability ensures that the network remains future-proof, supporting evolving business requirements and technology advancements.

Applications and Use Cases

The Cisco SF220-24P-K9-NA is ideal for small to medium-sized businesses seeking reliable, manageable, and cost-effective network solutions. It supports a variety of applications including IP telephony, wireless networking, video surveillance, and cloud services. With its combination of PoE, Layer 2 features, and advanced security, the switch enables businesses to build a flexible and secure network infrastructure that enhances productivity and supports digital transformation initiatives.

IP Telephony Support

The switch’s PoE capability and QoS features make it an excellent choice for deploying IP telephony systems. It ensures voice traffic is prioritized and delivered with minimal latency, providing clear and uninterrupted communication. Small businesses can integrate VoIP phones efficiently without additional power infrastructure, reducing setup complexity and cost.

Wireless Networking Integration

The SF220-24P-K9-NA seamlessly supports wireless access points, providing both power and connectivity through PoE ports. This integration simplifies wireless network deployment, allowing businesses to extend coverage and capacity as needed. Centralized management and VLAN configuration ensure efficient handling of wireless traffic, improving overall network performance and reliability.

Video Surveillance Networks

PoE support and robust switching capabilities make the SF220-24P-K9-NA suitable for video surveillance deployments. High-definition cameras can be powered and connected using a single cable, reducing installation complexity. The switch’s QoS and VLAN capabilities ensure that video streams are delivered smoothly, enabling real-time monitoring and recording without network congestion.

Cloud and Application Services

With its high-speed connectivity and advanced Layer 2 features, the SF220-24P-K9-NA supports cloud-based applications and services effectively. Businesses can rely on the switch for secure access to cloud storage, SaaS applications, and collaboration tools. Its scalability and management options make it a reliable choice for organizations transitioning to hybrid or cloud-centric infrastructures.