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

Cisco CBS350-48P-4G-NA 48 Ports Managed Switch  

The Cisco CBS350-48P-4G-NA is a high-performance, fully managed Layer 3 Ethernet switch designed for modern business networks. Part of the 350 Series, this switch offers comprehensive connectivity, advanced routing, and powerful PoE capabilities suitable for medium to large enterprise deployments.

General Specifications  

• Manufacturer: Cisco
• Model Number: CBS350-48P-4G-NA
• Series: 350 Series
• Device Type: Managed Ethernet Switch
• Model Category: Networking Equipment

Switching Features and Performance

• Switch Type: Managed via web-based GUI, Layer 3 capabilities
• Port Count: 48 x 10/100/1000 Mbps + 4 SFP slots
• Switching Capacity: 104 Gbps
• Maximum Throughput: 77.38 Mpps (64-byte packets)
• Jumbo Frame Support: Up to 9k bytes, MTU 2k bytes
• MAC Address Table: 16,000 addresses

Power and PoE Management

• PoE Capacity: 370W shared across 48 ports
• Power Consumption: 59.73W
• Power Source: Internal power supply with PoE+ support

Port Aggregation and VLAN Capabilities

• Port Aggregation: Supports up to 8 linked switches for combined bandwidth
• VLAN Support: Up to 4094 VLANs for network segmentation
• IGMP Versions: Supports IGMP v1, v2, and v3 with up to 2,000 multicast groups

Routing and Network Management

• IPv4 Static Routes: Up to 990 routes
• IP Interfaces: 128 interfaces for versatile network configurations

Quality of Service and Security

• QoS Protocols: Supports 802.1p for traffic prioritization
• Access Control Lists (ACLs): Up to 1,024 rules for granular security management

Processor and Memory Architecture

• Processor: 800 MHz ARM CPU
• RAM: 512 MB for efficient task handling
• Flash Storage: 256 MB for configuration files and firmware

Advanced Network Management

• Real-time network monitoring and performance tracking
• Easy VLAN creation and management
• Port mirroring for diagnostics and traffic analysis

Scalability and Deployment Flexibility

• Supports stacking with multiple CBS350 series switches
• Flexible deployment in rack or desktop configurations
• Optimized for PoE devices such as access points and cameras

Cisco CBS350-48P-4G-NA Managed Switch

The Cisco CBS350-48P-4G-NA is part of the 350 Series, designed to deliver advanced network management capabilities for medium to large-sized business environments. This fully managed switch combines high performance with robust security features, providing a reliable foundation for enterprise-grade networking. With 48 Gigabit Ethernet ports and four 10-Gigabit SFP+ uplinks, this switch offers extensive connectivity and exceptional scalability for growing networks. It is engineered to support power over Ethernet (PoE) requirements, simplifying deployment of devices such as IP cameras, wireless access points, and VoIP phones without the need for separate power infrastructure.

Performance and Connectivity Features

The CBS350-48P-4G-NA switch is optimized for high-throughput operations, featuring non-blocking architecture and hardware-based forwarding. Its 48 PoE-enabled ports provide seamless connectivity for multiple endpoints, while the four 10-Gigabit SFP+ uplinks ensure fast inter-switch communication and data aggregation. The switch supports advanced Layer 3 routing, including static routing, RIP, OSPF, and multicast routing, enabling efficient traffic management across complex network topologies. Its low-latency performance ensures minimal network congestion, making it suitable for latency-sensitive applications such as video conferencing, real-time analytics, and cloud services.

Layer 3 Routing Capabilities

The Layer 3 functionalities of the CBS350-48P-4G-NA enhance the overall network intelligence, allowing businesses to segment traffic and manage multiple subnets effectively. Static and dynamic routing protocols ensure that data is delivered through optimal paths, improving network efficiency and redundancy. The switch also supports policy-based routing, enabling administrators to define traffic rules according to application priorities. This level of control helps organizations maintain service quality for critical applications while optimizing bandwidth usage.

VLAN and Network Segmentation

VLAN support on the CBS350-48P-4G-NA allows IT teams to isolate different departments or functions within a business, enhancing security and performance. Advanced VLAN features such as Private VLAN, Voice VLAN, and dynamic VLAN assignment enable flexible network design and streamline device management. Network segmentation reduces broadcast traffic, mitigates security risks, and improves overall network efficiency, ensuring a stable and high-performing environment for all connected devices.

Quality of Service (QoS) and Traffic Prioritization

Advanced QoS capabilities in the CBS350-48P-4G-NA switch provide precise traffic management, allowing critical applications to receive higher priority over non-essential data. Administrators can define QoS policies based on port, VLAN, or application type, ensuring smooth performance for latency-sensitive tasks such as voice and video. Traffic shaping and rate limiting options further enhance network reliability, preventing congestion during peak usage periods and delivering consistent user experience across all services.

Security and Access Control

Security is a core focus of the Cisco CBS350-48P-4G-NA. The switch supports comprehensive authentication and access control mechanisms, including IEEE 802.1X port-based authentication, RADIUS, and TACACS+. Advanced security features such as DHCP snooping, dynamic ARP inspection, and IP source guard help protect the network from unauthorized access and malicious attacks. Role-based access control allows network administrators to define granular permissions for different users and devices, ensuring that sensitive data remains protected while maintaining operational efficiency.

Integrated PoE+ Support

The CBS350-48P-4G-NA switch offers robust Power over Ethernet Plus (PoE+) support, delivering sufficient power to connected devices without requiring additional power adapters or cabling. This functionality is ideal for deploying IP telephony systems, wireless access points, and surveillance equipment in business environments. Intelligent PoE management allows administrators to monitor and allocate power usage per port, preventing overload situations and optimizing energy consumption across the network.

Redundancy and High Availability

High availability features in the CBS350-48P-4G-NA ensure uninterrupted network operations. Support for Spanning Tree Protocol (STP), Rapid STP, and Multiple STP allows for loop prevention and efficient failover between redundant paths. The switch also includes dual firmware image support, enabling seamless firmware upgrades without network disruption. Link aggregation and port mirroring provide additional resilience, allowing traffic to be rerouted during hardware failures or maintenance activities.

Scalability and Deployment Flexibility

The CBS350-48P-4G-NA switch is designed to scale alongside growing business needs. With its 48 PoE ports and four high-speed uplinks, it can accommodate increasing device counts and higher bandwidth demands. Flexible deployment options, including rack-mount and desktop configurations, make it adaptable to various physical environments. Its compact form factor, combined with fanless or low-noise designs, is suitable for office spaces, data centers, and wiring closets. The switch also supports stacking with compatible CBS350 models, enabling simplified network expansion and unified management for multiple devices.

Environmental and Energy Efficiency

Cisco has designed the CBS350-48P-4G-NA with energy efficiency in mind. The switch incorporates Energy Efficient Ethernet (EEE) technology, reducing power consumption during low traffic periods. Intelligent fan control and optimized power supply units minimize operational costs while maintaining performance. These green networking features help businesses meet sustainability goals without compromising network reliability and throughput.

Advanced Layer 2 Switching Features

Beyond Layer 3 routing, the CBS350-48P-4G-NA excels in Layer 2 switching functionalities. Features such as link aggregation, multicast filtering, IGMP snooping, and port security allow administrators to optimize data flow and enhance network performance. Spanning Tree enhancements and loop guard options further strengthen network stability. The combination of Layer 2 and Layer 3 capabilities provides a versatile solution for complex enterprise networks.

Integration with Cisco Ecosystem

The CBS350-48P-4G-NA integrates seamlessly with Cisco’s broader networking ecosystem. Compatibility with Cisco DNA Center and other network management tools ensures unified visibility and control across all connected devices. This integration enables advanced analytics, automated configuration, and policy enforcement, simplifying network administration and enhancing operational efficiency. Businesses can leverage Cisco’s proven reliability and innovation to build a robust, scalable, and future-ready network infrastructure.

Use Cases and Applications

The CBS350-48P-4G-NA switch is ideal for a variety of business scenarios. In enterprise offices, it provides dependable connectivity for high-density workspaces, supporting IP phones, laptops, and wireless access points simultaneously. In educational institutions, it enables secure segmentation between administrative, faculty, and student networks. For retail and healthcare environments, the switch ensures reliable support for security cameras, point-of-sale systems, and IoT devices. Its robust features make it suitable for any organization seeking a managed, high-performance, and secure network solution.