WS-C3850-24XU-L Cisco Catalyst 3850 Ethernet Switch (24 Ports)

Cisco WS-C3850-24XU-L Managed Switch Overview

Enterprise-Class 24-Port Stackable Switching Solution

The Cisco WS-C3850-24XU-L is a high-performance, enterprise-grade managed switch engineered for modern network infrastructures requiring reliability, scalability, and advanced Layer 2 and Layer 3 capabilities. Designed with stackable architecture and intelligent network services, it delivers seamless connectivity for business-critical environments.

Key Product Identifiers

• Manufacturer: Cisco
• Model / SKU: WS-C3850-24XU-L
• Device Type: Managed, stackable network switch
• Port Configuration: 24 x 10/100/1000 UPOE Gigabit Ethernet ports
• Deployment Options: Desktop and 1U rack-mountable design

Hardware Design & Physical Construction

Flexible Deployment Form Factor

Built for versatile installation scenarios, this switch supports both rack-mounted and desktop deployment, making it suitable for data centers, enterprise offices, and network distribution layers.

• Rack-mountable 1U chassis design
• Compact desktop installation compatibility
• Stackable architecture for scalable networking

Interface & Connectivity Options

• 24 x 10/100/1000 Gigabit Ethernet ports
• UPOE (Universal Power over Ethernet) support
• High-density access layer connectivity

Performance & Switching Capabilities

High-Speed Network Processing

This switch is optimized for high-throughput environments, delivering efficient packet forwarding and low-latency communication across enterprise networks.

• Switching Capacity: 92 Gbps
• Forwarding Performance: 460 Mpps (64-byte packets)
• Stacking Bandwidth: Up to 480 Gbps

Scalability & Network Capacity

• IPv4 Routes: Up to 24,000 entries
• NetFlow Entries: 24,000
• SVIs (Switched Virtual Interfaces): 1,000
• VLAN Support: Up to 4,000 VLANs
• MAC Address Table: 32,000 entries
• Jumbo Frame Support: Up to 9,198 bytes

Power Delivery & Energy Efficiency

Advanced PoE Capabilities

The Cisco WS-C3850-24XU-L is equipped with robust Power over Ethernet functionality, enabling efficient power distribution for connected devices such as IP phones, wireless access points, and IoT hardware.

• UPOE support for high-power devices
• Total PoE Budget: 580W

Electrical Specifications

• Input Power: AC 120/230V
• Frequency Range: 50–60 Hz
• Optional power redundancy support

Routing, Protocols & Network Intelligence

Supported Routing Protocols

• RIP-1 / RIP-2 / RIPng
• IS-IS routing
• IGMPv2 / IGMPv3
• MLDv2 support
• Policy-Based Routing (PBR)

Management & Remote Access Protocols

• SNMP v1 / v2c / v3
• Telnet and SSH secure access
• TFTP support for file transfers
• CLI-based configuration interface
• RMON 1 & RMON 2 monitoring

Advanced Features & Enterprise Functions

Security & Access Control Enhancements

• 802.1X network authentication
• Access Control Lists (ACLs)
• ARP inspection and DHCP snooping
• Control Plane Protection (CoPP)

Switching Intelligence & Optimization

• Quality of Service (QoS) prioritization
• Link Aggregation Control Protocol (LACP)
• Port Aggregation Protocol (PAgP)
• Rapid Spanning Tree (PVRST+, MSTP)
• Dynamic Trunking Protocol (DTP)

Network Optimization Technologies

• Cisco StackWise-480 for high-speed stacking
• Cisco StackPower for efficient power sharing
• Energy Efficient Ethernet support
• Weighted Tail Drop (WTD) congestion control

Standards Compliance & Protocol Compatibility

Industry IEEE Standards Support

• IEEE 802.3 / 802.3u / 802.3ab
• IEEE 802.1d / 802.1w / 802.1s
• IEEE 802.1q VLAN tagging
• IEEE 802.1p QoS prioritization
• IEEE 802.3ad (LACP) link aggregation
• IEEE 802.3af / 802.3at PoE standards
• IEEE 802.1x authentication framework

Enterprise Use Cases & Deployment Scenarios

Ideal Applications

• Enterprise campus networks
• Data center access layer switching
• IP telephony and VoIP infrastructure
• Wireless access point connectivity
• High-density corporate LAN environments

Operational Advantages

• Improved network scalability through stacking
• Enhanced traffic segmentation via VLAN support
• Reliable performance under heavy workloads
• Centralized management and monitoring capabilities

Cisco WS-C3850-24XU-L 24 Ports Manageable Switch

The Cisco WS-C3850-24XU-L belongs to the highly respected Cisco Catalyst 3850 Series, a family of enterprise-class managed switches designed to support modern business networking environments. Built with advanced Layer 2 and Layer 3 switching capabilities, integrated security features, intelligent traffic management, and scalable architecture, this switch serves as a reliable foundation for organizations that require uninterrupted connectivity and high-performance network operations.

Featuring 24 multi-gigabit Ethernet ports with advanced switching functionality, the Cisco WS-C3850-24XU-L is engineered to handle growing network demands across enterprise campuses, branch offices, educational institutions, healthcare facilities, government environments, and large commercial infrastructures. The switch provides centralized management, flexible deployment options, and comprehensive support for wired network services, making it a preferred choice for organizations seeking dependable network performance.

The Cisco Catalyst 3850 platform combines enterprise-class hardware with Cisco IOS XE software, delivering a unified networking experience that simplifies administration while improving operational efficiency. Organizations can deploy the WS-C3850-24XU-L as part of an access-layer network architecture or integrate it into larger switching infrastructures requiring advanced traffic handling, segmentation, and security policies.

Enterprise-Class Switching Architecture

The WS-C3850-24XU-L is designed with a robust switching architecture that supports demanding business applications and mission-critical services. Enterprises depend on reliable switching infrastructure to facilitate communication between users, servers, applications, wireless access points, and connected devices. This switch provides the performance required to ensure smooth data transmission throughout the network.

Its advanced hardware platform delivers low-latency packet forwarding and intelligent traffic management. By minimizing network bottlenecks and improving bandwidth utilization, organizations can maintain consistent application performance even during periods of high network activity.

High-Performance Data Processing

Businesses increasingly rely on bandwidth-intensive applications such as cloud computing, video conferencing, enterprise resource planning systems, and collaboration platforms. The Cisco WS-C3850-24XU-L supports these requirements through powerful processing capabilities that help optimize data flow and reduce transmission delays.

Its switching engine is capable of managing substantial network traffic volumes while maintaining performance consistency. This capability is particularly important in environments where numerous users access shared resources simultaneously.

Reliable Packet Forwarding

Efficient packet forwarding is essential for maintaining stable network communications. The switch incorporates advanced forwarding mechanisms that ensure traffic is delivered accurately and efficiently to intended destinations. This helps reduce congestion and supports improved user experiences across various network applications.

24-Port Multi-Gigabit Connectivity

One of the defining features of the Cisco WS-C3850-24XU-L is its 24-port configuration. These ports provide flexible connectivity options for network devices while supporting evolving bandwidth requirements. Organizations can connect desktops, laptops, IP phones, wireless access points, surveillance systems, and other network-enabled equipment.

The multi-gigabit capability allows businesses to maximize infrastructure investments by supporting higher data transmission rates over existing cabling in many deployment scenarios. This flexibility enables organizations to upgrade network performance without requiring extensive cabling replacements.

Support for Modern Devices

Today's enterprise environments include a wide range of connected devices requiring dependable network access. The switch supports connectivity for traditional computing devices as well as emerging technologies such as IoT devices, smart sensors, and advanced wireless infrastructure.

Desktop and Workstation Connectivity

Organizations can deploy the switch to provide reliable network access for employees using desktop computers and workstations. High-performance switching helps maintain productivity while supporting daily business operations.

IP Telephony Integration

The Cisco WS-C3850-24XU-L is suitable for environments utilizing Voice over IP solutions. Intelligent traffic prioritization helps maintain voice quality and minimize latency, supporting clear and reliable communications.

Wireless Access Point Support

Wireless connectivity continues to play a critical role in modern enterprises. The switch can support wireless access point deployments while helping organizations manage increasing wireless traffic demands.

Advanced Layer 2 Features

The Catalyst 3850 Series incorporates comprehensive Layer 2 switching capabilities that enable efficient network segmentation, traffic control, and redundancy management. These features help organizations build scalable and resilient network infrastructures.

Virtual LAN Support

Virtual LAN technology allows organizations to logically separate network traffic across departments, users, and applications. VLAN implementation improves network organization, enhances security, and simplifies administration.

By creating multiple VLANs, businesses can isolate sensitive traffic while maintaining efficient communication between authorized network segments.

Spanning Tree Enhancements

Network redundancy is essential for maintaining uptime. The switch supports advanced spanning tree protocols that help prevent network loops while enabling redundant paths for improved reliability.

These capabilities contribute to continuous network operation and minimize the risk of service interruptions caused by infrastructure failures.

Link Aggregation Support

Link aggregation technologies allow multiple physical connections to operate as a single logical link. This improves bandwidth availability while enhancing fault tolerance. Organizations can use aggregated links to support high-volume traffic requirements between switches and network devices.

Comprehensive Layer 3 Routing Capabilities

Beyond traditional switching functions, the WS-C3850-24XU-L includes Layer 3 routing capabilities that enable advanced traffic management across network segments. Routing functionality allows organizations to optimize communication between VLANs and remote networks.

Inter-VLAN Routing

Inter-VLAN routing allows separate network segments to communicate securely and efficiently. This functionality is essential in environments where departments, applications, and user groups operate within distinct VLAN structures.

Static Routing Support

Static routing provides administrators with direct control over traffic paths. Organizations can define preferred routes to optimize performance and improve predictability within network infrastructures.

Dynamic Routing Integration

The switch supports dynamic routing capabilities that allow network devices to exchange routing information automatically. Dynamic routing helps improve scalability and simplifies network expansion efforts.

Cisco IOS XE Operating System Advantages

The Cisco WS-C3850-24XU-L operates on Cisco IOS XE software, a modern network operating system designed to support enterprise-scale networking requirements. IOS XE introduces modular architecture, improved stability, and enhanced operational flexibility.

Modular Software Design

Modular architecture enables individual software components to operate independently, improving reliability and reducing the impact of software issues. This design contributes to better system availability and easier maintenance.

Enhanced Network Visibility

Administrators gain access to comprehensive monitoring tools that provide valuable insights into network performance, traffic patterns, and operational status. Enhanced visibility supports proactive troubleshooting and performance optimization.

Automation Capabilities

Modern enterprises increasingly rely on automation to reduce administrative workloads. IOS XE supports automation features that help streamline configuration management, monitoring, and network operations.

StackWise Technology for Scalability

The Cisco Catalyst 3850 Series includes StackWise technology, allowing multiple switches to operate as a unified system. This capability simplifies management while supporting network growth and expansion.

Simplified Administration

Managing multiple switches individually can increase complexity. StackWise technology enables centralized administration, reducing operational overhead and improving efficiency.

Improved Network Resilience

Stacked switches can continue operating even if one member experiences issues. This redundancy contributes to higher availability and supports business continuity objectives.

Scalable Infrastructure Growth

Organizations can expand network capacity by adding additional stack members without significantly altering existing configurations. This scalability supports long-term infrastructure planning.

Network Security Features

Security remains a top priority for organizations managing sensitive information and critical business systems. The Cisco WS-C3850-24XU-L includes numerous security capabilities designed to protect network resources from unauthorized access and potential threats.

Access Control Mechanisms

Access control features help administrators regulate user and device access to network resources. These controls support policy enforcement and improve overall security posture.

Port-Based Security

Port security features restrict unauthorized devices from connecting to the network. Organizations can define security policies that limit access based on approved devices.

Authentication Support

Authentication mechanisms verify user and device identities before granting network access. This helps reduce the risk of unauthorized connections and improves compliance with security requirements.

Traffic Segmentation

Segmentation strategies help isolate sensitive systems and reduce attack surfaces. VLAN-based segmentation and access policies contribute to stronger security frameworks across enterprise environments.

Threat Mitigation

The switch supports security features that assist organizations in identifying and mitigating suspicious network activities. Proactive threat management helps maintain stable and secure operations.

Quality of Service (QoS) Capabilities

Quality of Service functionality enables organizations to prioritize critical traffic and maintain application performance during periods of network congestion. QoS is particularly important for real-time communications and business-critical services.

Voice Traffic Prioritization

Voice communications require low latency and minimal packet loss. QoS policies help ensure voice traffic receives priority treatment across the network.

Video Application Optimization

Video conferencing and streaming applications demand consistent bandwidth. The switch supports traffic prioritization techniques that help improve video quality and user experiences.

Business-Critical Application Support

Organizations can prioritize essential applications to ensure optimal performance even when network resources are heavily utilized. This helps maintain productivity and operational efficiency.

Deployment Across Multiple Industries

The versatility of the Cisco WS-C3850-24XU-L makes it suitable for deployment across a broad range of industries and organizational environments.

Corporate Enterprise Networks

Large enterprises require reliable switching solutions capable of supporting thousands of users and numerous business applications. The switch delivers the scalability and performance needed for corporate networking environments.

Educational Institutions

Schools, colleges, and universities rely on secure and high-capacity networks to support students, faculty, administrative staff, and digital learning platforms. The Catalyst 3850 Series helps facilitate these requirements.

Healthcare Facilities

Healthcare organizations require dependable network connectivity for electronic medical records, imaging systems, communication platforms, and administrative applications. Reliable switching infrastructure contributes to efficient healthcare delivery.

Government Organizations

Government agencies often demand secure, scalable, and manageable networking solutions. The WS-C3850-24XU-L supports these requirements through advanced security and management capabilities.

Financial Institutions

Banks and financial organizations require highly secure and reliable networks to support transaction processing, customer services, and regulatory compliance. Enterprise-grade switching capabilities help meet these demands.

Centralized Network Management

Effective network management is critical for maintaining performance and minimizing operational challenges. The Cisco WS-C3850-24XU-L offers extensive management capabilities that help administrators oversee network operations efficiently.

Configuration Management

Administrators can deploy, update, and maintain configurations across network environments with greater consistency. Centralized management reduces configuration errors and supports operational efficiency.

Performance Monitoring

Monitoring tools provide visibility into network activity, resource utilization, and system performance. This information helps administrators identify issues before they affect users.

Event Logging and Diagnostics

Detailed logging and diagnostic capabilities assist troubleshooting efforts by providing insights into network behavior and operational events.

Reliability and Business Continuity

Enterprise networks must remain available to support daily business activities. The Cisco WS-C3850-24XU-L is designed with reliability in mind, helping organizations maintain uninterrupted operations.

Redundant Design Principles

The switch supports various redundancy technologies that minimize service disruptions and improve overall network resilience.

Consistent Operational Performance

Organizations benefit from stable network performance across demanding workloads and diverse application environments.

Long-Term Infrastructure Value

The Cisco Catalyst 3850 platform has established a reputation for durability, reliability, and enterprise-grade functionality. Businesses can leverage the switch as part of long-term networking strategies focused on scalability, security, and operational efficiency.