CBS350-48T-4G-NA Cisco 350 48 Ports Manageable Switch.

Cisco CBS350-48T-4G-NA Switch Overview

The Cisco CBS350-48T-4G-NA is a high-performance Layer 3–capable, business-class Ethernet switch designed to deliver stable connectivity, flexible management, and advanced traffic control. Crafted for growing networks, it integrates a wide set of enterprise features, making it suitable for offices, data-driven environments, and scalable infrastructures.

Key Product Details

• Manufacturer: Cisco
• SKU / Part Number: CBS350-48T-4G-NA
• Switch Category: Managed Ethernet Switch
• Total Ports: 48 Gigabit Ports + 4 SFP Uplink Interfaces

Advanced Technical Capabilities

Engineered for efficiency, this switch combines strong processing power with extensive Layer 2 and Layer 3 features, ensuring enhanced control over traffic flow, security, and network segmentation.

Performance & Capacity Highlights

• Switching Capacity: 104 Gbps for smooth data movement
• Forwarding Rate: 77.38 Mpps with 64-byte packet throughput
• 48 × 10/100/1000 Mbps ports paired with 4 SFP uplinks
• Supports jumbo frames up to 9K bytes and MTU up to 2K bytes
• MAC Address Table: Up to 16K entries

Scalability & Network Control

• Port Aggregation enabling up to 8 interconnected switches
• Extensive VLAN support with up to 4094 network segments
• Dedicated Voice VLAN with built-in prioritization for clear communication
• Multicast management through IGMP v1, v2, v3 (supports up to 2K groups)

Layer 3 Functionalities

• IPv4 Routing: Up to 990 static routes
• Up to 128 IP interfaces for structured segmentation
• ACL Support: Up to 1024 security and traffic rules

Hardware & Processor Features

• Processor: 800 MHz ARM architecture for reliable performance
• Memory: 512 MB RAM paired with 256 MB Flash storage
• QoS Support: IEEE 802.1p ensures prioritized and optimized data flow
• No PoE support, ideal for non-powered networking environments

Dimensions & Physical Design

• Width: 445 mm
• Depth: 273 mm
• Height: 44 mm

Cisco CBS350-48T-4G-NA 350 Series Managed Ethernet Switch

The Cisco CBS350-48T-4G-NA 350 Series Managed Ethernet Switch serves as an enterprise-grade networking solution designed to support advanced connectivity demands within modern business infrastructures. As part of the CBS350 family, this 48-port Layer 2 managed switch integrates high-performance hardware, robust security capabilities, and intelligent traffic management to enable stable, scalable, and reliable network environments. Organizations depend on this class of switch for its ability to deliver superior throughput, simplified administration, and enhanced operational continuity across a wide range of professional applications. The switch delivers the flexibility and control needed for complex deployments while remaining intuitive for IT administrators overseeing expanding hybrid or multi-site network topologies.

Enterprise Networking Capabilities and High-Density Port Architecture

The 48 Gigabit Ethernet ports integrated into the Cisco CBS350-48T-4G-NA provide significant connectivity density for workgroups, office floors, and departmental infrastructures. Each port supports consistent gigabit transfer speeds designed to accommodate high-bandwidth processes such as cloud access, data synchronization, VoIP communication, corporate database interaction, and multi-device workstation coordination. The switch is engineered to sustain continuous throughput even during peak traffic periods, enabling businesses to maintain productivity and operational reliability. The addition of four dedicated Gigabit SFP uplink ports ensures seamless integration with fiber-optic backbones, distribution switches, or aggregation layers, providing secure and stable uplink performance across diverse building or campus-level networks.

Optimized Data Flow and Layer 2 Network Intelligence

The Layer 2 functionality within the Cisco CBS350-48T-4G-NA extends enterprises advanced management of data flow across multiple connected devices. Features such as VLAN segmentation, spanning tree enhancements, port isolation, link aggregation, and MAC-based controls offer deeper governance over traffic routing and network segmentation. These capabilities support structured and secure environments where operational departments or user groups require dedicated traffic flows without sacrificing speed or consistency. The switch ensures optimized communication paths, reduced broadcast storms, and structured network behavior that benefits organizations with complex or expanding digital systems.

VLAN Segmentation and Network Structure Control

The switch supports an extensive number of virtual LANs, providing the architecture needed to isolate traffic according to department, function, security requirement, or operational workflow. VLAN support minimizes unnecessary broadcast traffic and enhances overall performance across the network, especially in larger buildings or multi-level infrastructures. This segmentation is critical for organizations that manage specialized workloads, handle sensitive data, or operate distinct project-based departments that require independent and secure communication zones.

Spanning Tree Enhancements for Stable Network Topology

Spanning Tree Protocol features such as Rapid Spanning Tree and Multiple Spanning Tree significantly improve loop prevention and lane efficiency. These technologies help maintain stability by intelligently mapping switching paths, preventing data collisions, and ensuring optimal redundancy across interconnected switches. The Cisco CBS350-48T-4G-NA uses these technologies to provide uninterrupted network uptime, even during switch failures or link instability, enabling continuous device availability and operational consistency.

Advanced Security and Device Protection Features

Security is central to the Cisco CBS350-48T-4G-NA switch infrastructure. Organizations rely on the device’s integrated security set to safeguard networks against unauthorized access, malware intrusions, and traffic manipulation attempts. With increasingly complex cyberthreats facing business networks, the switch delivers adaptive defenses that strengthen the overall security posture of a digital environment. These features provide administrators with complete visibility into network behavior, allowing them to detect, mitigate, and prevent potential threats while ensuring compliant and protected communication across all connected devices and systems.

Access Control and Network Monitoring

Comprehensive access control features enable granular management of device permissions and communication rights. Technologies such as port-level security, 802.1X authentication, MAC filtering, dynamic ARP inspection, and DHCP snooping work together to reduce vulnerabilities. These tools ensure that only trusted and verified users or devices can communicate within the network. By monitoring traffic patterns and authenticating endpoints, the switch helps create a secure networking fabric that limits exposure to unauthorized activities.

Network Defense and Traffic Integrity

The Cisco CBS350-48T-4G-NA maintains data integrity through advanced protection mechanisms that mitigate malicious attacks and unintended configuration issues. The switch uses filtering systems and automated traffic policies to prevent disruptions stemming from spoofing, packet flooding, or rogue device behavior. This proactive approach to defense helps organizations maintain secure digital operations, reduce risk, and prevent downtime transitions that can affect workflow and productivity.

Secure Management Interface and Administrative Control

The management interface is designed to offer an accessible yet highly secure administrative experience. Administrators can use encrypted web management, secure shell, secure file transfer, and other protected protocols to issue commands or adjust switch configurations. These tools ensure that sensitive management operations remain protected, whether handled onsite or remotely. The switch supports multi-admin role management, ensuring that settings and adjustments are only carried out by authorized personnel with specific access privileges.

Performance, Reliability, and Operational Efficiency

The Cisco CBS350-48T-4G-NA is built for professional environments requiring continuous performance, low latency, and reliable data delivery. The VLAN, QoS, and Layer 2 features collectively enhance the switch’s operational efficiency, allowing organizations to deploy it within high-demand scenarios such as real-time communication, server management, and cloud-based applications. The device ensures sustainable throughput while enhancing both user and administrative experiences across network architectures.

Quality of Service and Traffic Prioritization

Quality of Service capabilities enable intelligent traffic prioritization across all 48 ports and uplinks. This feature ensures that critical applications such as voice services, conferencing solutions, or bandwidth-intensive tools always receive the necessary resources for uninterrupted performance. By prioritizing traffic based on class, type, and operational importance, the switch maintains fluid data flow that helps prevent lag, jitter, and service degradation across interconnected devices.

Low Latency and High-Speed Performance

The switch is engineered to deliver low-latency packet forwarding, ensuring time-sensitive processes complete efficiently. Organizations with high-performance digital requirements benefit from this design as it helps support seamless streaming, rapid file transfers, optimized content access, and responsive cloud computing tasks. The switch architecture maintains performance levels even during peak usage, helping businesses maintain continuity while handling fast-paced workflows.

Consistent Uptime for Mission-Critical Operations

The CBS350-48T-4G-NA supports redundancy and stability through intelligent design and robust hardware components. Features such as link aggregation provide additional failover safeguards, ensuring that the network remains operational even in the event of link failure or partner device malfunction. The high-durability build, thermal efficiency, and long-term reliability contribute to a resilient networking infrastructure suitable for enterprise workloads and extended hours of continuous access demands.

Deployment Flexibility and Scalable Business Integration

Businesses benefit from the switch’s flexible configuration and deployment capabilities that support diverse operational needs. Whether integrated into small business networks, corporate offices, educational facilities, branch locations, or hybrid cloud infrastructures, the switch adapts seamlessly to its environment. The combination of scalability potential and advanced management makes the switch a long-term asset that supports incremental business growth and evolving digital requirements.

Easy Setup and Simplified Network Administration

The Cisco CBS350-48T-4G-NA supports intuitive centralized management through integrated web interfaces, SNMP compatibility, and Cisco Business Dashboard tools. These features allow administrators to handle multiple switches, monitor performance, and adjust configurations without requiring extensive command-line interaction. The visualized management approach enables quicker response to network issues, easier optimization planning, and more efficient IT oversight across distributed environments.

Compatibility with Modern Business Workflows

The switch supports a wide range of devices such as IP cameras, VoIP phones, wireless access points, workstations, servers, and application-specific terminals. It accommodates hybrid network environments where employees rely on cloud tools, remote collaboration platforms, and software-defined workflows. The switch supports stability and uniform connectivity that aligns with the demands of modern businesses handling dynamic communication requirements and continuous data accessibility.

Scalable Design for Growing Enterprise Networks

The CBS350-48T-4G-NA switch integrates seamlessly into networks that require scalability as new devices, access points, or segments are introduced. As organizations expand, the switch supports cost-efficient scaling without requiring full infrastructure replacement. The availability of uplink ports and advanced configuration tools helps maintain structural integrity while enabling additional switches or network layers to be integrated smoothly.