Cisco CBS250-24P-4G-UK 24-Port L3 GE Smart Managed Switch
Cisco CBS250-24P-4G-UK 24-Port L3 GE Smart Managed Switch represents advanced smart switching technology designed for growing businesses requiring enterprise-grade network performance without the complexity of fully managed infrastructure. This 28-port Gigabit Ethernet switch combines robust Power over Ethernet capabilities with comprehensive Layer 3 routing features, delivering professional network functionality at accessible price points for small to medium enterprises.
High-Performance Switching Architecture and PoE Delivery
The CBS250-24P-4G delivers exceptional network performance with 41.66 million packets per second throughput and 56.0 Gbps switching capacity, ensuring seamless data transmission across demanding business applications. With 195W dedicated Power over Ethernet budget distributed across 24 PoE-enabled ports, this switch efficiently powers IP phones, wireless access points, security cameras, and other network-attached devices without requiring separate power infrastructure.
Core Performance Specifications:
- 24 Gigabit Ethernet PoE ports with 195W total power budget
- Four additional Gigabit Ethernet uplink ports for network expansion
- 41.66 mpps packet forwarding rate with wire-speed performance
- 1.5 MB packet buffer for traffic optimization
- Support for up to 255 simultaneous active VLANs
Advanced Layer 3 Static Routing Capabilities
Modern business networks demand intelligent traffic management, and the Cisco Business CBS250-24P-4G delivers comprehensive Layer 3 static routing functionality. This capability enables network segmentation across different workgroups while maintaining optimal application performance, allowing internal routing management through the switch infrastructure rather than consuming router resources.
Routing and VLAN Features:
- Wire-speed IPv4 and IPv6 packet routing capabilities
- Support for up to 32 static routes and 16 IP interfaces
- Port-based and 802.1Q tag-based VLAN configurations
- Management VLAN and Guest VLAN implementation
- Voice VLAN with automatic traffic prioritization and zero-touch deployment
Comprehensive Security Framework and Access Control
Enterprise security requirements are addressed through multiple layers of protection integrated into the switch architecture. The device incorporates IEEE 802.1X authentication, Secure Core Technology (SCT), and advanced Access Control Lists supporting up to 512 security rules for granular network traffic management.
Security Implementation:
- SSL encryption for secure HTTPS management interface access
- SSH Protocol version 1 and 2 for encrypted remote management
- RADIUS authentication with guest VLAN and multiple session support
- Port security with MAC address learning limitations and source locking
- DoS prevention mechanisms and storm control for broadcast, multicast, and unknown unicast traffic
- Time-based Access Control Lists with ingress and egress rule application
SFP Module Compatibility and Fiber Connectivity Options
Network infrastructure flexibility requires diverse connectivity options, and this smart switch supports extensive SFP and SFP+ module compatibility. The CBS250-24P-4G accommodates both multimode and single-mode fiber optic connections, copper coaxial links, and UTP Cat 5e connections for various distance requirements and network topologies.
Supported Module Types:
- Gigabit Ethernet SFP modules: MGBSX1, MGBLH1, MGBLX1, MGBT1
- Extended-range fiber modules supporting distances up to 40km
- 10 Gigabit SFP+ modules for high-speed uplink connections
- Copper coaxial options: SFP-H10GB-CU1M, SFP-H10GB-CU3M, SFP-H10GB-CU5M
- Multimode and single-mode 10G fiber: SFP-10G-SR, SFP-10G-LR variants
System Architecture and Environmental Specifications
The switch incorporates an 800 MHz ARM processor with 512 MB DRAM and 256 MB flash memory, providing sufficient computational resources for advanced switching operations and configuration storage. Environmental design accommodates standard office deployments with operating temperatures from -5°C to 50°C and humidity tolerance up to 90% relative humidity.
Physical and Environmental Characteristics:
- Compact dimensions: 445 × 299 × 44 mm (17.5 × 11.77 × 1.73 inches)
- Universal power supply: 100-240V, 50-60 Hz operation
- Operating temperature range: -5°C to 50°C for enhanced deployment flexibility
- Storage temperature capability: -25°C to 70°C
- Limited lifetime warranty with return-to-factory replacement coverage
Advanced Management and Quality of Service Features
Professional network management requires sophisticated tools and protocols. The switch supports browser-based GUI management, command-line interface access, and Voice Services Discovery Protocol (VSDP) for automated voice endpoint deployment. Quality of Service implementation ensures voice traffic receives appropriate priority levels while maintaining optimal performance for data applications.
Management and QoS Capabilities:
- SSL-encrypted web-based management interface
- Multiple CLI privilege levels (1, 7, and 15) for administrative control
- SNMP support for network monitoring and management integration
- Voice Services Discovery Protocol for zero-touch voice deployment
- Automatic voice traffic VLAN assignment with QoS prioritization
- Trustworthy systems foundation with run-time defense mechanisms including Address Space Layout Randomization (ASLR)
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