CBS250-48P-4X-NA Cisco Business 250 Series Switch L3 Smart.

Cisco CBS250-48P-4X-NA 48 Ports L3 Ethernet Switch  

The Cisco CBS250-48P-4X-NA is a high-performance Layer 3 managed switch designed for modern enterprise networks. Ideal for small to medium-sized businesses, it provides advanced connectivity with extensive PoE+ support and multiple 10 Gigabit uplink options.

Key Specifications

• Manufacturer: Cisco
• Model Number: CBS250-48P-4X-NA
• Device Type: Layer 3 Smart Ethernet Switch
• Total Ports: 48 Gigabit Ethernet with PoE+
• Uplink Ports: 4 x 10G SFP+
• Form Factor: Rack-mountable
• Switching Capacity: 176 Gbps
• Forwarding Performance: 130.94 Mpps (64-byte packets)

Port and Expansion Details

• Expansion Slots: 4 x 10 Gigabit Ethernet (SFP+)
• Shared SFP Slots: Yes
• Gigabit Ethernet Ports with PoE+: 48
• Supported Media Types: Twisted Pair, Optical Fiber

Network Technologies and Standards

• Ethernet Support: Gigabit Ethernet
• Standards: 1000Base-X, 1000Base-T
• Link Aggregation Groups: 4
• Jumbo Frame Support: 2 KB to 9 KB

Performance and Capacity

• MAC Address Table: 8,000 entries
• Buffer Capacity: 3 MB
• Forwarding Rate: 130.94 Mpps

Management and Protocols

• Manageability: Fully manageable switch
• Routing Protocols: IGMP, Policy-Based Routing (PBR), CIDR
• Remote Management: SNMP 1/2c/3, RMON, SSH, SSH-2, ICMP

Power and PoE Features

• PoE (RJ-45) Support: Yes, PoE+
• Power Budget: 370 W
• Voltage: AC 120/230 V (50/60 Hz)
• Power Source: Integrated power supply with PoE+ support

Cisco CBS250-48P-4X-NA Layer 3 Managed Ethernet Switch

The Cisco CBS250-48P-4X-NA is a versatile Layer 3 managed switch designed for small to medium-sized businesses requiring advanced networking capabilities and robust performance. With 48 Gigabit Ethernet ports and four SFP+ 10-Gigabit uplink ports, this switch provides high-speed connectivity and reliable data transfer across enterprise networks. Engineered with Cisco’s renowned quality and security features, the CBS250-48P-4X-NA ensures seamless integration with existing infrastructures while supporting advanced routing, VLAN segmentation, and network optimization.

Advanced Layer 3 Functionality

The Cisco CBS250-48P-4X-NA supports comprehensive Layer 3 features, enabling efficient routing and traffic management within complex network environments. It incorporates static routing, dynamic routing protocols such as OSPF and RIP, and inter-VLAN routing, allowing multiple network segments to communicate efficiently. With enhanced routing capabilities, the switch minimizes network congestion, reduces latency, and optimizes performance for mission-critical applications.

Inter-VLAN Routing and Segmentation

Inter-VLAN routing is an essential feature for modern businesses that require multiple isolated network segments for departments, users, or services. The CBS250-48P-4X-NA allows administrators to define VLANs with granular control over traffic flow, ensuring optimal resource utilization and improved network security. Segmentation reduces broadcast domains, enhancing network efficiency while maintaining secure and organized connectivity.

Dynamic Routing Protocols

Support for OSPF and RIP enables the CBS250-48P-4X-NA to adapt dynamically to changes in the network topology. OSPF allows for fast convergence and efficient routing decisions in larger networks, while RIP provides a simple protocol for smaller environments. By leveraging these protocols, network administrators can ensure reliable and scalable routing, reducing the risk of downtime and bottlenecks.

High-Performance Switching Architecture

The CBS250-48P-4X-NA is designed with high-throughput switching architecture capable of handling intensive workloads. With 48 10/100/1000 Mbps ports and four SFP+ 10-Gigabit uplinks, it supports large-scale data transfers and high-speed connections for servers, storage devices, and high-demand applications. The switch’s forwarding capacity and wire-speed performance guarantee minimal packet loss and low latency, even under heavy traffic conditions.

PoE+ Power Capabilities

The 48 PoE+ ports on the CBS250-48P-4X-NA deliver sufficient power to connected devices such as IP phones, wireless access points, and surveillance cameras. With intelligent PoE management, administrators can allocate power based on device priority, ensuring mission-critical equipment remains operational. The switch supports IEEE 802.3at standards, providing up to 30W per port and total power budget optimization for network efficiency.

Redundant Uplink and Scalability Options

With four SFP+ 10-Gigabit uplink ports, the CBS250-48P-4X-NA offers high-speed uplink connectivity to core switches or aggregation points. This redundancy ensures continuous network availability and allows for scalable growth as business requirements expand. The SFP+ uplinks also support fiber connections, extending network reach across campus environments or between multiple buildings.

Comprehensive Security Features

Security is a critical aspect of the CBS250-48P-4X-NA design, with advanced mechanisms to protect enterprise networks from unauthorized access and potential attacks. The switch provides features such as Access Control Lists (ACLs), 802.1X authentication, port security, and DHCP snooping to enforce secure connectivity and prevent malicious activity. These measures safeguard sensitive data while ensuring compliance with corporate security policies.

Access Control and Authentication

802.1X authentication allows the CBS250-48P-4X-NA to verify devices before granting network access, ensuring that only authorized equipment can connect. ACLs can be configured to restrict traffic based on IP addresses, MAC addresses, or protocol types, providing fine-grained control over data flows. This approach mitigates the risk of unauthorized access and strengthens the network’s overall security posture.

Advanced Threat Protection

Additional security features include DHCP snooping, which prevents rogue DHCP servers from assigning incorrect IP addresses, and IP Source Guard, which ensures only legitimate devices communicate on designated ports. These protections minimize network vulnerabilities and enhance operational reliability for enterprise environments.

Flexible Management and Monitoring

The Cisco CBS250-48P-4X-NA offers multiple management options to simplify configuration, monitoring, and maintenance. Administrators can manage the switch through an intuitive web-based GUI, command-line interface (CLI), or Cisco’s Network Assistant software. SNMP and RMON support provide detailed insights into network performance, enabling proactive troubleshooting and efficient network management.

Web-Based Interface

The web interface of the CBS250-48P-4X-NA is designed for ease of use, allowing administrators to quickly configure VLANs, QoS policies, PoE settings, and routing protocols. Interactive dashboards and graphical displays simplify monitoring network health and utilization, providing real-time visibility into traffic patterns and port performance.

Energy Efficiency and Reliability

The CBS250-48P-4X-NA is designed with energy efficiency in mind, featuring intelligent power management to reduce consumption without compromising performance. Energy Efficient Ethernet (EEE) standards and port-level power monitoring optimize electricity usage, lowering operational costs. The switch also benefits from Cisco’s high reliability standards, ensuring long-term stability and minimal maintenance.

Durable Hardware Design

The hardware construction of the CBS250-48P-4X-NA ensures consistent performance under demanding conditions. Rugged components, efficient cooling mechanisms, and redundant power supplies contribute to high availability and durability. This makes the switch suitable for deployment in enterprise environments where reliability is essential.

Integration and Compatibility

The CBS250-48P-4X-NA is highly compatible with existing Cisco infrastructure and third-party networking equipment. It supports industry-standard protocols such as VLAN, STP, LLDP, and LACP, enabling seamless integration into mixed-network environments. The switch also works with Cisco’s cloud-managed solutions, allowing centralized management and monitoring for distributed networks.

Cloud and Remote Management

Cisco’s cloud management platforms provide visibility and control across multiple sites. The CBS250-48P-4X-NA can be monitored remotely, with alerts and analytics delivered in real-time. Network administrators gain insight into performance trends, port utilization, and potential issues, enabling proactive management and minimizing downtime.

Compatibility with Cisco Ecosystem

The CBS250-48P-4X-NA integrates effectively with other Cisco networking devices, including routers, wireless controllers, and security appliances. Standard protocols ensure seamless communication, consistent QoS enforcement, and end-to-end security policies. This interoperability reduces complexity and enhances the overall efficiency of enterprise network infrastructure.

Interoperability with Third-Party Devices

Designed to support standard Ethernet protocols, the CBS250-48P-4X-NA can operate with non-Cisco hardware while maintaining optimal performance. This flexibility allows businesses to expand or upgrade network segments without being limited to a single vendor, providing cost-effective deployment options and future-proof scalability.

Applications in Business Environments

The CBS250-48P-4X-NA is ideal for a variety of business applications, including office networks, data centers, campus networks, and branch offices. Its Layer 3 capabilities, high port density, and PoE+ support make it suitable for IP telephony, wireless LANs, video surveillance, and cloud computing. By delivering reliable and high-speed connectivity, the switch enhances operational productivity and supports modern business requirements.

Enterprise Network Deployment

In enterprise settings, the CBS250-48P-4X-NA serves as a core or distribution switch, aggregating traffic from access layer switches and providing high-speed uplinks to data centers. Its Layer 3 features facilitate efficient inter-department communication, reduce bottlenecks, and improve overall network performance.

Small and Medium Business Solutions

For small and medium-sized businesses, the CBS250-48P-4X-NA offers an affordable yet powerful network solution. Its PoE+ capabilities support IP phones, Wi-Fi access points, and security cameras without the need for additional power injectors. The switch’s easy-to-use management interface simplifies deployment and ongoing administration, reducing the need for specialized IT staff.

Technical Specifications and Performance Metrics

The CBS250-48P-4X-NA boasts advanced technical specifications that ensure robust performance, scalability, and reliability. Its 48 Gigabit ports provide extensive connectivity options, while the 4 SFP+ uplinks enable high-speed aggregation. The switch supports a wide range of VLANs, QoS policies, ACLs, and routing protocols. Memory and processing capacity allow for smooth traffic management even in high-demand environments, making it suitable for growing businesses and complex network architectures.

Port Configuration and Connectivity

All 48 ports support 10/100/1000 Mbps speeds with auto-negotiation, while the SFP+ uplinks provide 10-Gigabit connectivity for fast inter-switch links. The switch supports both copper and fiber connections, offering flexibility for different deployment scenarios. PoE+ support on all ports allows power delivery to connected devices, reducing cabling complexity and improving efficiency.

Quality of Service and Traffic Prioritization

The CBS250-48P-4X-NA includes comprehensive QoS features to prioritize critical traffic. Traffic shaping, scheduling, and queuing mechanisms ensure latency-sensitive applications like VoIP and video conferencing operate smoothly. Network administrators can assign priority levels to different traffic types, ensuring optimal performance for business-critical services.

Scalability and Future-Proofing

The switch is designed with future growth in mind. With high port density, 10-Gigabit uplinks, and support for advanced Layer 3 features, the CBS250-48P-4X-NA accommodates expanding network demands. Its compatibility with Cisco’s cloud and management tools allows easy scaling, monitoring, and integration with emerging technologies.

Reliability and Maintenance

The CBS250-48P-4X-NA emphasizes reliability through high-quality components, redundant power options, and efficient cooling systems. Maintenance is simplified with web-based management, CLI access, and diagnostic tools that provide real-time feedback. Fault detection and reporting features allow administrators to quickly identify and resolve issues, minimizing downtime and operational impact.

Redundancy and Failover Capabilities

Redundant power supplies and high-availability design enable continuous operation even in case of component failure. These features support business continuity and reduce network disruptions. By implementing failover mechanisms, the CBS250-48P-4X-NA ensures uninterrupted connectivity for critical applications and services.