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

Cisco CBS350-48P-4X-NA Business 350 Series Managed Switch

The Cisco CBS350-48P-4X-NA is a high-performance managed switch designed for business networks requiring robust connectivity, advanced security, and efficient management capabilities. This 48-port Gigabit Ethernet switch offers comprehensive features to support both data and power over Ethernet (PoE) applications, making it ideal for enterprise environments.

General Specifications

• Manufacturer: Cisco
• Part Number: CBS350-48P-4X-NA
• Device Category: Managed Switch

Performance and Switching Capacity

• Power over Ethernet (PoE) Budget: 370 W, supporting multiple powered devices
• Switching Capacity: 176 Gbps for high-speed data transfer
• Forwarding Rate: 130.94 Mpps (64-byte packets) for optimized packet handling
• Total Ports: 48 Gigabit RJ-45 PoE+ ports and 4 10G SFP+ uplinks
• Jumbo Frame Support: Up to 2 KB for enhanced data efficiency
• MAC Address Table: 16k entries to manage devices efficiently
• Buffer Size: 3 MB to handle bursts of traffic

Link Aggregation and VLAN Capabilities

• Link Aggregation Groups: Up to 8 to increase bandwidth between switches
• VLAN Support: 4094 VLANs for network segmentation and isolation

Routing and Remote Network Management

• Routing Protocols: IGMP, Policy-Based Routing (PBR), CIDR
• Remote Management: SNMP v1, v2c, v3, RMON, SSH, SSH-2, ICMP
• Encryption and Authentication: SSL encryption with SSH, RADIUS, and TACACS+ authentication

Processor and Memory Specifications

• Processor: X ARM, 800 MHz for efficient processing
• RAM: 512 MB for smooth operation under heavy load
• Flash Memory: 256 MB for firmware and configuration storage

Power Supply and Electrical Requirements

• Power Source: Internal AC power supply
• Voltage Requirements: AC 120/230 V (50/60 Hz)

Port

• 48 x 10/100/1000 Base-T RJ-45 PoE+
• 4 x 10GBASE-X SFP+ uplinks
• 1 x Console USB Type B
• 1 x USB Type A for external storage or upgrades
• 1 x Console RJ-45 for management

Key Features and Security Enhancements

• Support for DHCP, ARP, and advanced VLAN configurations
• Denial-of-Service (DoS) attack protection
• Spanning Tree Protocol (STP), Multiple STP (MSTP), and PVST+ support
• Advanced security features including ACLs, Dynamic ARP Inspection (DAI), and IP Source Guard
• Quality of Service (QoS) prioritization and storm control mechanisms
• Voice VLAN support and LLDP-MED for VoIP applications

Compliance Standards

• IEEE 802.3, 802.3u, 802.3z, 802.1d, 802.1q, 802.3ab
• IEEE 802.1p, 802.3af, 802.3x, 802.3ad (LACP), 802.1w
• IEEE 802.1x, 802.3ae, 802.1s, 802.1AB (LLDP), 802.3an
• IEEE 802.3at, 802.3az for energy-efficient operation

Advantages for Enterprise Networks

• High-density port design accommodates large-scale network deployments
• Robust PoE capabilities reduce the need for external power adapters
• Advanced management and security features simplify administration and protect network integrity
• Scalable architecture supports future network growth and higher bandwidth demands

Cisco CBS350-48P-4X-NA Business 350 Series

The Cisco CBS350-48P-4X-NA is part of the Business 350 Series, designed for enterprises and medium-sized businesses that require robust and scalable network solutions. This managed switch provides advanced connectivity features, high performance, and enhanced security to support growing business networks. The CBS350 series bridges the gap between basic unmanaged switches and high-end enterprise solutions, offering Layer 3 capabilities with extensive management options for network administrators.

Advanced Layer 3 Features

The CBS350-48P-4X-NA supports a wide range of Layer 3 routing protocols including static routing, dynamic routing with RIP, and OSPF support. These capabilities allow businesses to efficiently segment their networks, optimize traffic flow, and maintain high levels of network reliability. The Layer 3 features ensure seamless inter-VLAN routing, enabling different departments or teams within a business to communicate effectively without performance degradation. This switch supports access control lists (ACLs) at the Layer 3 level, providing enhanced security for sensitive data and critical applications.

High Performance and Port Density

With 48 Gigabit Ethernet ports and four 10-Gigabit SFP+ uplinks, the CBS350-48P-4X-NA delivers substantial port density for high-demand environments. The combination of Gigabit access ports and high-speed uplinks ensures that large amounts of data can be processed without bottlenecks. Businesses with multiple servers, storage systems, and high-bandwidth applications benefit from the high performance offered by this switch. The 10-Gigabit uplinks are ideal for connecting to aggregation switches or data center environments, ensuring minimal latency and maximum throughput.

Power over Ethernet (PoE) Capabilities

The CBS350-48P-4X-NA is equipped with full PoE+ support across all 48 ports, allowing for the seamless integration of IP phones, wireless access points, security cameras, and other PoE-powered devices. With a high PoE budget, the switch can power multiple devices simultaneously, reducing the need for additional power supplies or injectors. PoE management is simplified through Cisco’s intuitive interface, enabling administrators to monitor power allocation, set priority levels, and schedule power cycles for energy efficiency.

Comprehensive Management Options

The CBS350-48P-4X-NA provides multiple management options to cater to different business requirements. It can be managed via Cisco’s web-based GUI, command-line interface (CLI), or Simple Network Management Protocol (SNMP) for integration with centralized network monitoring systems. The web interface offers an intuitive dashboard with real-time traffic analytics, device status, and configuration tools. The CLI provides granular control for advanced users, while SNMP compatibility ensures seamless integration with enterprise management platforms. These management options help reduce operational complexity and ensure consistent network performance.

Enhanced Security Features

Security is a core feature of the Cisco CBS350-48P-4X-NA. The switch supports 802.1X network access control, dynamic ARP inspection, and DHCP snooping to prevent unauthorized access and network attacks. Port security mechanisms limit the number of connected devices per port, reducing the risk of network breaches. Additionally, the CBS350 series implements robust VLAN support, allowing network segmentation and traffic isolation to protect sensitive business information. Advanced security policies can be configured to enforce compliance with organizational security standards.

Quality of Service (QoS) and Traffic Prioritization

To ensure optimal performance for mission-critical applications, the CBS350-48P-4X-NA includes advanced Quality of Service features. Traffic prioritization is available through class-based QoS policies, enabling administrators to allocate bandwidth to high-priority applications such as VoIP, video conferencing, and cloud services. The switch supports multiple queues per port and weighted round-robin scheduling, ensuring that network congestion does not impact critical traffic. This level of control is essential for businesses that rely on real-time communications and high-performance data transfer.

Scalability and Redundancy

The CBS350-48P-4X-NA is designed with scalability and redundancy in mind. Stackable options allow multiple switches to operate as a single logical unit, simplifying management and increasing resilience. The switch supports rapid spanning tree protocol (RSTP) and multiple spanning tree protocol (MSTP) to prevent loops and ensure uninterrupted connectivity. Link aggregation control protocol (LACP) enables multiple uplinks to be combined for higher bandwidth and redundancy, protecting against single-link failures.

Energy Efficiency and Reliability

Cisco has incorporated energy-efficient technologies into the CBS350-48P-4X-NA to reduce operational costs without compromising performance. Features such as Energy Efficient Ethernet (EEE), intelligent power allocation, and automatic port shutdown help minimize energy consumption. The switch also supports redundant power supply options, ensuring continuous operation in case of power failures. These design considerations make the CBS350-48P-4X-NA a reliable choice for businesses that require consistent network uptime.

Integration with Cisco Ecosystem

The CBS350-48P-4X-NA seamlessly integrates with other Cisco network solutions, including wireless access points, routers, and security appliances. It is compatible with Cisco DNA Center for centralized management and analytics, allowing administrators to implement policy-driven automation across the entire network. Integration with Cisco’s cloud management tools provides remote monitoring, configuration, and troubleshooting, simplifying network operations for distributed enterprise environments. This interoperability ensures a future-proof investment that can scale alongside business growth.

Deployment Flexibility

The switch offers flexible deployment options, including rack-mount installation for data centers or wall-mount configurations for smaller offices. Its compact 1U form factor optimizes space in server rooms, while the robust chassis design ensures durability in demanding environments. Administrators can deploy the CBS350-48P-4X-NA in core, distribution, or access layers, depending on network requirements. This flexibility makes it suitable for a wide range of business scenarios, from branch offices to campus networks.

Firmware and Software Updates

Cisco regularly releases firmware updates for the CBS350 series, enhancing security, adding features, and improving performance. The switch supports automated firmware management and scheduling, reducing administrative overhead and ensuring that all devices remain up-to-date. Network administrators can leverage these updates to maintain optimal performance and protect the network from evolving security threats. The intuitive update process ensures minimal disruption to daily operations while keeping the infrastructure current.

Comprehensive VLAN Support

VLAN functionality in the CBS350-48P-4X-NA allows businesses to logically segment networks for improved security, traffic management, and performance. The switch supports both static and dynamic VLANs, providing flexibility in network design. Inter-VLAN routing capabilities enable efficient communication between different VLANs, while private VLANs enhance security by isolating sensitive endpoints. VLAN tagging and management are simplified through Cisco’s web interface, providing administrators with full control over network segmentation and policy enforcement.

Advanced Multicast and IPv6 Support

The CBS350-48P-4X-NA supports multicast protocols such as IGMP snooping and PIM to optimize bandwidth usage for streaming applications and collaborative tools. IPv6 support ensures future readiness, allowing businesses to adopt next-generation IP addressing without infrastructure upgrades. These features enable smooth integration with modern applications, cloud services, and Internet of Things (IoT) devices, ensuring that the network can handle evolving business demands.

Use Cases and Business Applications

The CBS350-48P-4X-NA is ideal for medium-sized enterprises, educational institutions, healthcare facilities, and branch offices that require reliable, high-performance networking. Its combination of PoE capabilities, Layer 3 routing, and advanced security features makes it suitable for powering VoIP phones, wireless access points, IP surveillance cameras, and critical business applications. The switch supports centralized management, enabling IT teams to efficiently manage complex networks across multiple locations. Its robust architecture and comprehensive feature set make it an essential component of modern business networks.