CBS350-48FP-4G Cisco Layer 3 Managed 48 Ports PoE+ Switch SFP

Cisco Managed PoE+ Switching for Business Networks

The Cisco CBS350-48FP-4G is a fully managed Layer 3 Ethernet switch engineered for growing business environments that demand high availability, intelligent traffic handling, and reliable Power over Ethernet delivery. Designed under the Cisco Business 350 Series portfolio, this switch combines enterprise-grade routing features with intuitive GUI-based management, making it ideal for IT administrators who require control, scalability, and operational efficiency.

Manufacturer and Product Identification

• Brand: Cisco
• Product Series: Cisco Business 350 Series
• Model Number: CBS350-48FP-4G
• Switch Category: Fully Managed Layer 3 PoE+ Switch
• Management Interface: Web-based GUI and CLI support

Ethernet and Fiber Connectivity

• 48 x 10/100/1000 Mbps Gigabit Ethernet RJ-45 ports
• 4 x dedicated SFP uplink ports for fiber connectivity
• Support for mixed copper and fiber network architectures
• Designed for aggregation, access, and distribution layers

Port Aggregation and Link Redundancy

• Port aggregation across up to 8 linked switches
• Increased resilience against link failure
• Optimized data flow for high-demand applications

PoE Performance and Budget

• PoE+ support across all 48 Gigabit Ethernet ports
• Total power budget of up to 740 watts
• Ideal for IP telephony, Wi-Fi access points, and security devices
• Intelligent power allocation per connected device

IPv4 Routing and Interface Support

• Support for up to 990 static IPv4 routes
• Up to 128 IP interfaces for logical network segmentation
• Enhanced traffic optimization across multiple subnets
• Improved control over internal data paths

VLAN Scalability and Segmentation

• Support for up to 4094 VLAN IDs
• Efficient traffic isolation for departments and services
• Simplified network management and policy enforcement

Switching Capacity and Packet Forwarding

• Switching capacity of up to 104 Gbps
• Forwarding rate of 77.38 million packets per second (64-byte packets)
• Optimized architecture for demanding business applications

IGMP Snooping Capabilities

• IGMP versions 1, 2, and 3 supported
• Up to 2,000 multicast groups
• Optimized performance for video and streaming applications

Security Features and Access Control

Security is a core component of the Cisco CBS350-48FP-4G, offering granular control over network access and traffic filtering to help protect business-critical data.

Access Control Lists (ACLs)

• Support for up to 1,024 ACL rules
• Fine-grained traffic filtering based on policies
• Enhanced protection against unauthorized access

MAC Address Table Capacity

A large MAC address table enables the switch to efficiently manage a high number of connected devices, making it suitable for dense network deployments.

• MAC address table capacity of up to 16,000 entries
• Accurate device identification and forwarding

Cisco Managed Switching for Growing Business Networks

The Cisco CBS350-48FP-4G 48 Ports Managed Layer 3 PoE+ SFP Switch belongs to a professional class of business switches engineered to support scalable, secure, and high-performance network infrastructures. This category of managed Layer 3 switches is designed for organizations that require advanced traffic management, enhanced security controls, reliable power delivery, and flexible uplink connectivity within a unified switching platform. These switches play a critical role in modern enterprise, campus, hospitality, retail, education, and industrial networks where performance consistency and centralized control are essential.

Managed Layer 3 PoE+ switches within this category are specifically built to handle increasing network density driven by IP phones, wireless access points, security cameras, and IoT endpoints. By combining intelligent routing capabilities, robust Power over Ethernet functionality, and enterprise-class management features, this switch category enables network administrators to design efficient architectures without relying heavily on external routers for internal traffic segmentation.

Layer 3 Switching Capabilities and Intelligent Traffic Routing

Layer 3 managed switches in this category deliver advanced routing functions that go beyond basic Layer 2 switching. The Cisco CBS350-48FP-4G supports static routing, enabling efficient inter-VLAN communication and optimized data paths within complex network topologies. This functionality allows businesses to segment their networks logically while maintaining seamless communication between departments, applications, and services.

Static routing support reduces dependency on dedicated routing hardware in smaller and mid-sized environments, lowering infrastructure costs while maintaining control over traffic flows. This is particularly beneficial in multi-floor offices, branch networks, and distributed campus environments where predictable routing behavior and consistent performance are required.

VLAN Architecture and Network Segmentation

Virtual LAN support is a foundational feature in this category of managed switches. VLAN configurations enable administrators to isolate traffic, improve security posture, and optimize bandwidth usage. The CBS350-48FP-4G supports extensive VLAN configurations that allow voice, data, video, and management traffic to coexist on the same physical infrastructure while remaining logically separated.

By implementing VLAN-based segmentation, organizations can reduce broadcast traffic, limit unauthorized access between departments, and enhance compliance with internal security policies. This level of segmentation is essential in environments such as healthcare facilities, educational campuses, and corporate offices where sensitive data must remain protected.

Quality of Service for Business-Critical Applications

Quality of Service capabilities are a defining aspect of this switch category. Advanced QoS mechanisms prioritize latency-sensitive applications such as VoIP, video conferencing, and real-time collaboration tools. Traffic classification and prioritization ensure that essential services maintain consistent performance even during periods of high network utilization.

These QoS features enable administrators to define traffic policies that align with business priorities. By allocating bandwidth intelligently and preventing congestion, managed Layer 3 PoE+ switches help deliver a reliable user experience across all connected devices.

High-Density PoE+ Support for Modern Network Devices

The PoE+ functionality integrated into this category of switches provides both data connectivity and electrical power through a single Ethernet cable. With forty-eight PoE+ capable Gigabit Ethernet ports, the CBS350-48FP-4G is optimized for environments with high device density. This design simplifies deployment, reduces cabling complexity, and minimizes the need for additional power infrastructure.

Power over Ethernet support is essential for modern network deployments that rely heavily on wireless access points, IP surveillance systems, and unified communications devices. By centralizing power delivery through the switch, organizations gain improved power management, simplified maintenance, and enhanced operational efficiency.

Power Budget Management and Device Optimization

Switches in this category provide intelligent power management features that allow administrators to monitor and allocate PoE budgets efficiently. The ability to prioritize power delivery ensures that mission-critical devices receive uninterrupted power even during peak load conditions. This is particularly valuable in security and communication systems where uptime is essential.

Advanced PoE scheduling and monitoring features also contribute to energy efficiency by enabling power to be delivered only when devices are in use. This helps organizations reduce operational costs while supporting sustainability initiatives.

Support for Wireless and Unified Communications Infrastructure

Wireless access points and IP telephony systems benefit significantly from PoE+ switching platforms. The CBS350-48FP-4G category supports high-powered access points that enable seamless wireless coverage across large facilities. Unified communications systems, including IP phones and video conferencing endpoints, operate reliably when powered directly from the switch.

This integrated approach reduces deployment time and allows IT teams to scale wireless and communication infrastructures without redesigning the underlying network.

High-Performance Switching Architecture and Port Density

High port density is a defining characteristic of this switch category. With forty-eight Gigabit Ethernet ports, the Cisco CBS350-48FP-4G is designed to aggregate large numbers of endpoints while maintaining consistent throughput and low latency. This makes it suitable for access-layer deployments in enterprise networks where multiple users and devices connect simultaneously.

The switching fabric and forwarding architecture are engineered to handle high traffic volumes without packet loss. This ensures stable performance for data-intensive applications, cloud services, and internal systems.

SFP Uplink Connectivity for Network Expansion

The inclusion of SFP uplink ports allows flexible connectivity to aggregation switches, core networks, or fiber-based backbones. These uplinks support longer-distance connections and higher reliability compared to traditional copper links. This capability is essential in multi-building campuses and distributed office environments.

Fiber uplink support enhances network resilience and scalability by enabling organizations to expand their infrastructure without compromising performance.

Advanced Security Features for Business Networks

Security is a central focus within this category of managed switches. The CBS350-48FP-4G supports a comprehensive set of security features designed to protect network resources from unauthorized access and internal threats. These features include access control mechanisms, port security, and traffic monitoring capabilities.

Managed security controls allow administrators to enforce policies at the network edge, ensuring that only authorized devices and users gain access. This proactive approach reduces the risk of data breaches and network disruptions.

Access Control and Authentication Mechanisms

Access control technologies such as IEEE 802.1X authentication play a critical role in securing enterprise networks. Switches in this category support authentication frameworks that verify user and device credentials before granting network access. This is particularly important in environments with high employee turnover or guest access requirements.

Authentication-based access control enhances visibility and accountability while reducing the likelihood of unauthorized network usage.

Comprehensive Management

Ease of management is a defining attribute of the Cisco CBS350 switch category. Multiple management interfaces are available, allowing administrators to configure and monitor the network using graphical user interfaces, command-line access, or centralized management platforms. This flexibility accommodates varying levels of technical expertise within IT teams.

Centralized management capabilities streamline configuration tasks, firmware updates, and policy enforcement across multiple switches. This reduces administrative overhead and improves consistency across the network.

Web-Based and CLI Management Interfaces

Web-based management interfaces provide intuitive access to configuration options, performance metrics, and diagnostics. These interfaces are designed to simplify complex networking tasks without sacrificing control. For advanced users, command-line interfaces offer granular control and scripting capabilities.

The availability of both management methods ensures adaptability to different operational requirements and administrative preferences.

SNMP and Network Monitoring Integration

Support for SNMP enables integration with third-party monitoring and management systems. This allows organizations to incorporate the switch into existing network management frameworks and gain comprehensive visibility across the infrastructure.

Proactive monitoring and alerting capabilities help identify potential issues before they impact business operations.

Energy Efficiency and Thermal Design

Energy-efficient technologies integrated into this category help reduce power consumption without compromising performance. Intelligent thermal management ensures optimal operating temperatures, extending hardware lifespan and maintaining consistent operation.

These efficiency features support sustainable IT initiatives while delivering long-term cost savings.

Deployment Scenarios and Industry Applications

The Cisco CBS350-48FP-4G switch category is well suited for a wide range of deployment scenarios. In enterprise offices, it functions as a reliable access-layer switch supporting workstations, phones, and wireless access points. In educational institutions, it provides scalable connectivity for classrooms, labs, and administrative areas.

Retail environments benefit from its ability to power point-of-sale systems, security cameras, and digital signage. Hospitality deployments leverage its PoE+ capabilities to support guest Wi-Fi and IP-based services. Industrial and healthcare settings rely on its security and reliability features to support mission-critical systems.

Scalability for Growing Networks

Scalability is a core advantage of this managed switch category. Modular design principles and flexible uplink options enable organizations to expand their networks as requirements evolve. This protects initial investments and ensures long-term usability.

Future-Ready Network Architecture

Support for advanced networking standards and firmware updates ensures that switches in this category remain relevant as technology evolves. This future-ready approach allows businesses to adopt new applications, services, and security enhancements without replacing core infrastructure.