CBS250-48PP-4G-NA Cisco 48 Ports Managed Gigabit Ethernet Switch

Cisco CBS250-48PP-4G-NA Managed Gigabit Ethernet Switch

The Cisco CBS250-48P-4X is a high-performance 48-port Layer 3 managed gigabit switch designed for modern business networks. With robust PoE+ capabilities, advanced Layer 3 routing, and enhanced security features, this smart switch delivers reliable connectivity, optimal network performance, and simplified management for enterprise environments.

General Specifications

• Manufacturer: Cisco
• Model Number: CBS250-48PP-4G-NA
• Device Type: Layer 3 Smart Switch
• Form Factor: Rack-mountable
• Port Configuration: 48 x 10/100/1000Base-T + 4 x Gigabit SFP
• Power over Ethernet (PoE): PoE+ with 195 W budget

High-Performance Switching Capabilities

• Switching Capacity: 104 Gbps
• Forwarding Rate: 77.38 Mpps (64-byte packets)
• Link Aggregation: 8 LAG groups
• VLAN Support: Up to 4094 VLANs
• MAC Address Table: 8k entries
• Buffer Memory: 3 MB
• Jumbo Frame Support: Up to 2 KB

Advanced Layer 3 Routing Features

• IGMP for multicast traffic management
• Policy-Based Routing (PBR)
• CIDR support for efficient IP routing

Comprehensive Network Security

• DHCP Snooping and IP Source Guard
• Dynamic ARP Inspection (DAI)
• Access Control Lists (ACLs) and DoS Attack Prevention
• Private VLANs and Voice VLAN support
• Secure Core Technology (SCT) and Secure Sensitive Data (SSD)
• Loop and Root Guard protocols including STP, RSTP, MSTP, PVST+, and PVRST+
• Uni-directional Link Detection (UDLD) and STP Loop Guard

Enhanced Quality of Service and Traffic Management

• Weighted Round Robin (WRR) scheduling
• Type of Service (ToS) and QoS for prioritizing critical traffic
• Storm Control and Multicast VLAN Registration (MVR)
• Dynamic VLAN support via GVRP
• IP/MAC/Port Binding (IPMB) for secure endpoint mapping

Remote Management and Monitoring

• SNMP v1, v2c, v3 for network monitoring
• RMON for traffic and performance analysis
• Secure Shell (SSH/SSH-2) for encrypted remote access
• ICMP support for network diagnostics

Industry-Standard Compliance

• IEEE 802.3, 802.3u, 802.3ab (Ethernet/Gigabit Ethernet)
• IEEE 802.3z, 802.3ae (10G Ethernet)
• IEEE 802.1d, 802.1w, 802.1s, 802.1q, 802.1p (Spanning Tree, VLANs, QoS)
• IEEE 802.3af, 802.3at (PoE/PoE+)
• IEEE 802.3x (Flow Control) and 802.3ad (LACP)
• IEEE 802.1x (Network Access Control) and 802.1ab (LLDP)
• Energy-Efficient Ethernet (IEEE 802.3az)

Power and Efficiency

• AC Input: 120/230 V, 50/60 Hz
• PoE Budget: 195 W for powering connected devices
• Energy-efficient architecture for reduced power consumption

Cisco CBS250-48PP-4G-NA Business 250 Series

The Cisco CBS250-48PP-4G-NA Business 250 Series represents a high-performance, Layer 3 managed gigabit Ethernet switch designed to meet the demands of modern business networks. Offering 48 x 10/100/1000Base-T ports combined with 4 x PoE+ ports, this switch delivers exceptional connectivity, scalability, and power-over-Ethernet capabilities, making it ideal for small to medium-sized enterprises seeking reliable network infrastructure.

Advanced Layer 3 Management Capabilities

The CBS250-48PP-4G-NA includes advanced Layer 3 switching functionality, enabling businesses to efficiently route traffic within their network. Features such as static routing, RIP, and Access Control Lists (ACLs) allow precise control over data flow. These capabilities ensure optimized network performance, improved traffic management, and reduced latency across multiple subnets, allowing businesses to maintain a highly responsive IT environment.

VLAN Support and Segmentation

Network segmentation is critical for maintaining security and performance. Cisco CBS250-48PP-4G-NA supports extensive VLAN configurations, including private VLANs and dynamic VLAN assignment. Administrators can easily segment traffic, separating departments, devices, or applications to improve network efficiency while ensuring sensitive data remains protected. This capability is essential for businesses with growing connectivity demands.

Enhanced Quality of Service

Quality of Service (QoS) features on the CBS250-48PP-4G-NA enable prioritization of critical network traffic, such as VoIP, video conferencing, and mission-critical applications. By intelligently managing bandwidth allocation, this switch ensures smooth communication and minimal interruption, even during peak network loads. Network administrators can implement differentiated services based on port, VLAN, or traffic type, guaranteeing optimal performance for high-priority workloads.

Power over Ethernet (PoE+) Features

The Cisco CBS250-48PP-4G-NA switch supports PoE+ on selected ports, allowing the delivery of up to 30 watts per port. This feature eliminates the need for separate power supplies for IP cameras, wireless access points, and VoIP phones, simplifying network deployment and reducing infrastructure costs. PoE+ also provides flexibility for future expansions, enabling organizations to integrate new devices seamlessly without additional cabling or electrical work.

Energy Efficiency and Smart Power Management

With Energy Efficient Ethernet (EEE) technology and intelligent PoE management, the CBS250-48PP-4G-NA reduces energy consumption without compromising performance. Administrators can schedule PoE power allocation, prioritize critical devices, and monitor overall power usage. These features help businesses achieve sustainability goals while keeping operational costs under control. The switch also supports automatic power adjustment based on device requirements, optimizing energy utilization across the network.

Comprehensive Security Features

Security is a central component of the Cisco CBS250-48PP-4G-NA switch design. It provides robust protection against network threats through features such as 802.1X authentication, DHCP snooping, IP source guard, and dynamic ARP inspection. These safeguards prevent unauthorized access, mitigate potential attacks, and maintain network integrity. Enhanced port security allows administrators to restrict device connectivity, ensuring only trusted endpoints can access critical resources.

Access Control and Network Segmentation

The CBS250-48PP-4G-NA provides fine-grained access control policies, allowing businesses to enforce security at the port level. Role-based access ensures employees, guests, and devices have appropriate network permissions. Combined with VLAN segmentation and ACLs, this switch allows organizations to implement strict security protocols without affecting legitimate network traffic. The result is a secure, well-organized network infrastructure capable of supporting multiple user groups and applications simultaneously.

Scalable Performance for Growing Networks

Designed for scalability, the CBS250-48PP-4G-NA accommodates expanding business networks with ease. Its 48 gigabit Ethernet ports provide sufficient capacity for high-density deployments, while 4 additional uplink ports facilitate seamless integration with other switches or routers. Businesses can expand their networks without reconfiguring existing infrastructure, ensuring long-term flexibility and investment protection. Advanced Layer 3 routing ensures efficient traffic distribution across interconnected network segments.

High Availability and Redundancy Features

The switch includes essential redundancy capabilities, such as Spanning Tree Protocol (STP) and Rapid Spanning Tree Protocol (RSTP), to prevent network loops and ensure continuous connectivity. Link aggregation and dual firmware images enhance reliability, enabling businesses to maintain uptime even during device or link failures. These features are critical for organizations relying on continuous network access for day-to-day operations.

Easy Deployment and Management

Cisco CBS250-48PP-4G-NA simplifies deployment through its intuitive management interfaces. Businesses can manage the switch using a web-based GUI, CLI, or SNMP, depending on administrative preferences. The switch supports zero-touch provisioning, allowing IT teams to configure multiple devices quickly and consistently. These capabilities reduce deployment time, minimize errors, and streamline overall network management.

Comprehensive Monitoring and Diagnostics

Built-in monitoring tools provide administrators with real-time insights into network performance and health. Features such as port mirroring, SNMP monitoring, and Syslog integration allow for proactive identification of issues before they impact operations. Diagnostic tools help troubleshoot connectivity problems, monitor bandwidth utilization, and assess device performance, ensuring optimal network efficiency at all times.

Integration with Cisco Business Dashboard

Integration with Cisco Business Dashboard enables centralized monitoring and management of multiple CBS250 series switches. Administrators can view network topology, track device performance, and generate reports from a single platform. This integration simplifies multi-site network management, enhances visibility, and supports proactive maintenance strategies, allowing IT teams to focus on strategic initiatives rather than routine troubleshooting.

Reliability and Hardware Quality

The CBS250-48PP-4G-NA is built with high-quality components that meet Cisco’s stringent reliability standards. Rugged hardware design ensures consistent performance in demanding environments, including office floors, data closets, and small server rooms. The switch operates efficiently under continuous workloads, making it suitable for 24/7 business operations without compromising stability or longevity.

Optimized for Unified Communications

With PoE+ support, QoS features, and advanced Layer 3 capabilities, the CBS250-48PP-4G-NA is well-suited for unified communications applications. Organizations can deploy IP phones, video conferencing systems, and wireless access points over a single network infrastructure. Prioritization of voice and video traffic ensures clear communication and uninterrupted collaboration, improving overall workplace productivity and user experience.

Flexible Connectivity Options

The switch provides multiple uplink options to connect with other network devices, including servers, routers, and higher-tier switches. The 4 dedicated 1G SFP uplinks support fiber connections for long-distance or high-speed data transfers, while copper ports maintain compatibility with existing Ethernet cabling. This flexibility allows businesses to design their networks according to both current and future connectivity requirements.

Support for Future Network Growth

The CBS250-48PP-4G-NA is engineered to adapt to evolving business needs. Its modular design and high port density ensure that as organizations grow, the network can expand without significant infrastructure changes. Future-proof capabilities include support for IPv6, advanced routing protocols, and PoE+ expansions, allowing enterprises to invest in a switch that scales alongside their operational demands.