CBS350-24S-4G-NA Cisco Business 350 Series switch 24 ports managed rack-mountable.

Cisco CBS350-24S-4G-NA Managed Business Switch

The Cisco CBS350-24S-4G-NA is a high-performance, managed Gigabit Ethernet switch designed for business networks requiring reliability, scalability, and advanced Layer 3 capabilities. This rack-mountable switch delivers robust connectivity for modern enterprise environments.

General Specifications

• Manufacturer: Cisco
• Part Number: CBS350-24S-4G-NA
• Device Type: Managed Layer 3 Switch
• Ports: 24 Gigabit SFP + 2 Combo Gigabit Ethernet/SFP + 2 Gigabit SFP uplinks
• Enclosure: 1U Rack-mountable
• Switching Capacity: 56 Gbps
• Forwarding Performance: 41.66 Mpps (64-byte packets)

Performance and Network Capacity

• Supported VLANs: 4094
• Rpvst+ Instances: 126
• Mstp Instances: 8
• MAC Address Table: 16,000 entries
• ACL Rules: 1024
• Jumbo Frame Support: Up to 2 KB
• Buffer Memory: 1.5 MB

Routing and Layer 3 Capabilities

• Static IPv4 and IPv6 routing
• Policy-Based Routing (PBR)
• IGMPv2, IGMPv3, MLDv1, MLDv2 support
• Per-VLAN Spanning Tree Plus (PVST+), RSTP, MSTP, STP
• CIDR support for advanced routing

Remote Management and Security Features

• Remote management protocols: SNMP v1/v2c/v3, RMON, Telnet, SSH, HTTP/HTTPS, SCP, TFTP, ICMP, DHCP
• Authentication: SSH, SSH v2, RADIUS, TACACS+
• Encryption: SSL
• Secure management and access control

Advanced Networking Features

• Quality of Service (QoS) and Diffserv support
• Flow control and broadcast/multicast storm prevention
• DHCP snooping, dynamic ARP inspection (DAI), and IP source guard
• Private VLAN Edge (PVE) and Multicast VLAN Registration (MVR)
• Loopback detection, BPDU guard, UDLD, and STP root guard
• Link Aggregation Group (LAG) and LACP support
• Voice Services Discovery Protocol (VSDP) for VoIP networks
• Dual image support and firmware upgrades
• LLDP and LLDP-MED for device discovery and topology mapping
• Secure Core Technology (SCT) for hardware-based security

Standards and Compliance

• IEEE 802.3, 802.3u, 802.3z, 802.3ab, 802.3ae, 802.3an, 802.3az
• IEEE 802.1d, 802.1q, 802.1p, 802.1w, 802.1s, 802.1x
• IEEE 802.3x flow control and 802.3ad LACP
• Compliance ensures interoperability with industry-standard network devices

Hardware and Expansion

Processor and Memory

• ARM-based CPU at 800 MHz
• 512 MB RAM for smooth multitasking
• 256 MB flash memory for firmware and configuration storage

Interfaces and Connectivity Options

• 28 x 1000BASE-X SFP ports
• 2 x 1000BASE-T RJ-45 ports
• 1 x USB Type-A port for backup or firmware updates
• 1 x RJ-45 console port for local management

Indicators and Monitoring

• Status, link/activity, and speed LEDs for each port
• Real-time network monitoring via SNMP and RMON

Power and Energy Efficiency

• Internal power supply supporting AC 100–240 V, 50/60 Hz
• Energy-efficient design to reduce operational costs
• Supports IEEE 802.3az Energy-Efficient Ethernet for lower power consumption

Ideal Use Cases

• Medium-sized enterprise networks requiring high-speed fiber connectivity
• Data centers with multi-VLAN environments
• Secure and manageable network infrastructures for business-critical applications
• VoIP, video conferencing, and other low-latency applications

Cisco CBS350-24S-4G-NA Business 350 Series

The Cisco CBS350-24S-4G-NA represents the advanced Business 350 Series of managed switches designed for medium to large enterprise networks. This 24-port rack-mountable switch delivers a combination of high performance, enhanced security, and simplified management, making it a reliable choice for businesses seeking robust connectivity solutions. With its fully managed capabilities, the CBS350-24S-4G-NA ensures optimal network control while providing seamless integration into existing infrastructures.

High-Performance Switching Capabilities

Engineered for demanding network environments, the CBS350-24S-4G-NA provides high-speed connectivity across 24 SFP ports, supporting a wide range of fiber-optic modules. The switch’s performance is further enhanced by its four Gigabit uplink ports, offering flexible connectivity to aggregation layers and core networks. This combination ensures low latency and high throughput, accommodating applications such as video conferencing, cloud services, and real-time data transfers without compromising performance.

Advanced Layer 3 Features

The CBS350-24S-4G-NA is not limited to basic Layer 2 functionalities; it includes advanced Layer 3 routing features, enabling inter-VLAN routing, static routing, and dynamic routing protocols such as OSPF. These capabilities provide efficient traffic management, allowing organizations to segment networks logically and optimize bandwidth utilization. Layer 3 support also enhances network resilience by offering redundant paths and intelligent failover mechanisms, crucial for business-critical operations.

Enhanced Network Security

Security is a cornerstone of the CBS350-24S-4G-NA. The switch integrates comprehensive access control lists, 802.1X authentication, and secure management protocols to safeguard the network against unauthorized access and cyber threats. Its advanced security policies ensure that sensitive data is protected while maintaining operational efficiency. Role-based access control allows network administrators to assign permissions according to responsibilities, reducing the risk of misconfigurations and potential breaches.

Flexible Management and Monitoring

Managing a network has never been easier with the CBS350-24S-4G-NA. Cisco provides multiple management options including web-based GUI, command-line interface, and SNMP monitoring, enabling administrators to configure and monitor the switch efficiently. The intuitive dashboard offers real-time insights into traffic patterns, port utilization, and network health, allowing proactive management and quick troubleshooting. Automated alerts and logs ensure that network issues are identified and resolved before they impact operations.

Scalable Connectivity for Growing Businesses

The CBS350-24S-4G-NA is designed with scalability in mind. With 24 SFP ports capable of handling fiber connections over long distances, businesses can expand their network without worrying about performance degradation. The four Gigabit uplinks provide flexibility for connecting additional switches or integrating into larger network architectures. This makes the switch ideal for branch offices, data centers, and campus networks that require scalable, high-speed connectivity.

Energy Efficiency and Reliability

Energy efficiency is a critical consideration for modern businesses. The CBS350-24S-4G-NA employs advanced power management technologies, reducing energy consumption without sacrificing performance. Its fan-less design in certain models ensures quiet operation, making it suitable for office environments. Cisco’s reputation for hardware reliability is reflected in the switch’s robust build quality, extended warranty options, and support for continuous operation under heavy network loads.

Integration with Cisco Network Ecosystem

The CBS350-24S-4G-NA is fully compatible with Cisco’s broader network ecosystem, including wireless access points, routers, and security appliances. Integration with Cisco DNA Center allows centralized network management, analytics, and automation, streamlining network operations and reducing operational costs. The switch also supports seamless interoperability with third-party devices, ensuring flexible deployment in heterogeneous network environments.

Quality of Service (QoS) for Critical Applications

Maintaining consistent performance for business-critical applications is essential. The CBS350-24S-4G-NA provides advanced QoS features, enabling administrators to prioritize traffic for voice, video, and other latency-sensitive applications. Bandwidth management and traffic shaping ensure that high-priority applications receive the necessary resources while preventing network congestion. This capability is particularly important for unified communications, video conferencing, and cloud-based services.

Redundant and Resilient Network Architecture

The CBS350-24S-4G-NA supports redundancy protocols such as Spanning Tree Protocol (STP), Rapid STP, and Multiple STP, ensuring a loop-free and resilient network topology. Dual firmware images and backup configurations enhance reliability by allowing quick recovery from software failures. The switch also supports link aggregation, enabling multiple ports to act as a single logical connection for increased bandwidth and redundancy, minimizing downtime in critical network environments.

Comprehensive VLAN and Multicast Support

Segmentation and efficient traffic distribution are crucial in modern networks. The CBS350-24S-4G-NA supports comprehensive VLAN configurations, including dynamic VLAN assignment and voice VLAN for VoIP applications. Multicast features allow efficient delivery of data to multiple destinations without overwhelming network resources. IGMP snooping and querier support ensure smooth multicast traffic flow, optimizing bandwidth usage and enhancing application performance.

Easy Deployment and Rack-Mount Design

Deploying the CBS350-24S-4G-NA is straightforward thanks to its compact 1U rack-mountable design. Preconfigured templates and automated setup options reduce deployment time, making it suitable for businesses seeking fast and reliable network expansion. The switch’s modular and accessible design allows easy cabling, maintenance, and future upgrades, ensuring that the network can evolve alongside organizational growth.

Applications in Business Environments

The CBS350-24S-4G-NA is ideal for a variety of business environments. Its high-speed connectivity and advanced features support enterprise offices, campus networks, branch offices, and small data centers. It is particularly well-suited for environments requiring secure, reliable, and scalable networking solutions. The switch’s flexibility allows it to serve as a core switch, access layer switch, or aggregation point, depending on network topology requirements.

Optimized for Unified Communications

Businesses deploying unified communications benefit from the CBS350-24S-4G-NA’s ability to handle voice, video, and data traffic efficiently. Support for Quality of Service ensures minimal latency and jitter for voice calls and video streams. Power over Ethernet is available in compatible models, providing direct support for IP phones, access points, and surveillance cameras, simplifying infrastructure deployment and reducing the need for additional power sources.

Future-Proof Networking Investments

Investing in the CBS350-24S-4G-NA ensures that organizations are prepared for future networking demands. With support for advanced routing, high-speed uplinks, and scalable port configurations, the switch is adaptable to evolving technologies and network growth. Its integration with Cisco management tools and robust security features ensures a future-proof solution that supports business continuity and long-term operational efficiency.