C9300L-48UXG4XA Cisco 48-Ports Switch Catalyst 9300L Network AdvantageRack-mountable

Key Features of Cisco C9300L-48UXG4XA

• 48 high-performance ports ensuring seamless connectivity
• Enhanced uplink capabilities with four 10G/25G ports
• Advanced Layer 3 functionality for superior network efficiency
• Robust security features to safeguard data transmission

Superior Network Performance

• Optimized for enterprise-level networking solutions
• High-speed connections supporting business-critical applications
• Reliable data transfer with minimal latency

Advanced Connectivity and Expansion

• Scalable architecture designed for growing network demands
• Seamless integration with existing Cisco network infrastructure
• Multiple uplink options ensuring high-speed data transfers

Uncompromising Security and Management

• Comprehensive security protocols to prevent cyber threats
• Centralized management for efficient network control
• Encrypted communication ensuring data integrity

Enterprise-Grade Access Switching for High-Density Networks

The Cisco C9300L-48UXG4XA 48-Ports Switch Catalyst 9300L Network Advantage L3 Managed platform is engineered to serve as a robust access-layer foundation for modern enterprise networks that demand scalability, resilience, and advanced Layer 3 intelligence. Designed as part of the Catalyst 9300L family, this model focuses on delivering consistent performance, secure connectivity, and simplified operations for organizations that operate bandwidth-intensive applications, converged networks, and mission-critical services. Its architecture is optimized for high-density edge deployments where reliability, future readiness, and centralized management are mandatory requirements rather than optional enhancements.

This category encompasses enterprise access switches that support advanced routing, automation, and security capabilities while maintaining a cost-effective profile compared to modular chassis-based solutions. The C9300L-48UXG4XA variant is positioned for environments that require a high number of copper access ports combined with high-speed uplinks, making it suitable for campus networks, large offices, educational institutions, healthcare facilities, and distributed enterprise locations.

48-Port High-Density Access Design  

At the core of this switch category is the 48-port access design that supports 10/100/1000 Mbps Ethernet connectivity, enabling seamless integration with existing network infrastructure while remaining compatible with a wide range of endpoint devices. The high port density allows network administrators to connect a large number of wired devices, including IP phones, wireless access points, surveillance cameras, printers, workstations, and IoT endpoints, all from a single compact unit.

The architecture emphasizes consistent throughput across all ports, ensuring that traffic from multiple connected devices can be processed without congestion or packet loss. This makes the category ideal for environments where numerous endpoints operate simultaneously and where predictable performance is critical for user experience and application reliability.

UPOE Support for Power-Hungry Endpoints

The inclusion of Universal Power over Ethernet capabilities significantly enhances the value of this switch category. UPOE enables higher power delivery over Ethernet cabling, supporting next-generation devices that require more wattage than standard PoE or PoE+ can provide. High-performance wireless access points, advanced video conferencing systems, digital signage, and specialized IoT devices benefit from this capability, reducing the need for separate power adapters and simplifying installation.

By consolidating power and data transmission over a single Ethernet cable, deployments become more efficient, and cable management is simplified. This also contributes to improved uptime, as centralized power management allows for integration with uninterruptible power supplies and backup power systems.

Layer 3 Managed Switching  

This category is defined by its Layer 3 managed switching capabilities, enhanced by the Network Advantage software license. Advanced routing features enable the switch to participate actively in network traffic forwarding decisions, reducing reliance on upstream routers and improving overall network efficiency. Support for dynamic routing protocols allows for intelligent path selection and rapid convergence in the event of network changes.

Layer 3 functionality within the access layer supports scalable network designs where segmentation, inter-VLAN routing, and policy enforcement can be handled closer to the edge. This reduces latency and improves performance for applications that rely on frequent communication between different network segments.

Advanced Routing and Segmentation Capabilities

The routing capabilities associated with this category support complex enterprise network topologies. Virtual LAN segmentation allows administrators to logically separate traffic for security, compliance, and performance optimization. Inter-VLAN routing handled directly by the switch minimizes unnecessary traffic traversal through the core, leading to improved responsiveness and reduced bottlenecks.

Policy-based routing and access control mechanisms further enhance traffic management by ensuring that data flows according to organizational rules and security policies. These features are particularly valuable in environments with diverse user groups, departmental segmentation, and varying application requirements.

High-Speed Uplink Architecture for Scalable Networks

The Cisco C9300L-48UXG4XA category includes configurations with four high-speed uplink interfaces, designed to connect the access layer to aggregation or core switches without compromising throughput. These uplinks provide the bandwidth necessary to handle aggregated traffic from all 48 access ports, ensuring that data can move efficiently throughout the network.

High-speed uplinks are essential for supporting modern workloads such as cloud-based applications, high-definition video streaming, real-time collaboration tools, and large data transfers. The uplink design ensures that the access layer does not become a performance bottleneck as network demands grow.

Support for Redundancy and High Availability

Redundant uplink configurations are a critical aspect of this switch category, allowing for resilient network designs that maintain connectivity even in the event of a link or device failure. By supporting multiple uplink connections, the switch can reroute traffic dynamically, minimizing downtime and preserving business continuity.

High availability features are particularly important in enterprise environments where network outages can result in significant productivity losses or operational disruptions. The design philosophy behind this category prioritizes uptime and reliability.

Security-Driven Architecture for Enterprise Protection

Security is a defining characteristic of the Catalyst 9300L switch category. Integrated security features protect the network from unauthorized access, threats, and vulnerabilities at the access layer, where many attacks originate. By enforcing security policies directly at the point of connection, organizations can significantly reduce their attack surface.

Advanced authentication mechanisms ensure that only authorized devices and users can access network resources. These capabilities are essential for organizations that must comply with regulatory requirements or protect sensitive data.

Identity-Based Access and Policy Enforcement

Identity-based networking capabilities allow policies to be applied based on user identity, device type, or application rather than solely on IP addresses. This dynamic approach to security enables more granular control and simplifies policy management in environments with frequent user movement or device changes.

Integration with centralized authentication services enhances visibility and control, making it easier for administrators to monitor network activity and respond to potential security incidents.

Automation and Software-Defined Networking Readiness

This category is designed with automation and programmability in mind, aligning with modern software-defined networking principles. Support for centralized management platforms enables administrators to configure, monitor, and troubleshoot switches from a single interface, reducing operational complexity and administrative overhead.

Automation capabilities streamline routine tasks such as provisioning, configuration updates, and compliance checks. This not only saves time but also reduces the risk of human error, leading to more consistent and reliable network operations.

Integration with Centralized Network Management

Centralized management tools provide real-time visibility into network performance, device health, and traffic patterns. By leveraging these insights, organizations can proactively address issues, optimize resource utilization, and plan for future growth.

The ability to manage large numbers of switches consistently is especially valuable for enterprises with multiple sites or distributed campus environments. This category supports scalable management models that grow alongside the organization.

Optimized for Wireless and IoT-Driven Environments

The increasing adoption of wireless connectivity and IoT devices places new demands on access-layer switches. This category is optimized to support high-performance wireless access points and a wide variety of connected devices that generate continuous streams of data.

By providing reliable power delivery, consistent bandwidth, and intelligent traffic management, the switch category ensures that wireless and IoT deployments can operate efficiently without degrading overall network performance.

Support for High-Density Wireless Deployments

Modern wireless networks require robust wired infrastructure to support high client densities and bandwidth-intensive applications. The Catalyst 9300L access switch category is well-suited for environments such as offices, campuses, and public venues where large numbers of users connect simultaneously.

The combination of UPOE support and high-speed uplinks ensures that wireless access points can deliver optimal performance, even under heavy load conditions.

Energy Efficiency and Sustainable Network Design

Energy efficiency is an important consideration for enterprise networks, both from a cost and sustainability perspective. This switch category incorporates power management features that optimize energy usage without compromising performance.

Intelligent power allocation ensures that connected devices receive the necessary power while minimizing waste. This contributes to lower operational costs and supports organizational sustainability initiatives.

Smart Power Management Features

Advanced power monitoring and reporting capabilities provide visibility into energy consumption at the port and device level. Administrators can use this information to optimize power usage, identify inefficiencies, and plan capacity more effectively.

These features are particularly valuable in large deployments where cumulative energy savings can be substantial over time.

Reliability and Hardware Resilience

The Catalyst 9300L category is built with enterprise-grade hardware components designed for continuous operation in demanding environments. Robust construction and rigorous testing ensure that the switches can withstand the stresses of daily use in busy network closets and data rooms.

High-quality components and redundant design elements contribute to long-term reliability, reducing the frequency of hardware failures and associated maintenance costs.

Designed for Long-Term Deployment

Enterprise networks often require equipment that can remain in service for many years while adapting to evolving requirements. This category supports long-term deployment strategies through software upgradability and compatibility with emerging technologies.

The ability to extend the useful life of network infrastructure through updates and feature enhancements provides a strong return on investment for organizations of all sizes.

Scalable Architecture for Growing Organizations

Scalability is a key attribute of the Cisco C9300L-48UXG4XA switch category. The design accommodates network growth by supporting additional devices, higher bandwidth requirements, and more complex network policies without requiring a complete infrastructure overhaul.

This scalability makes the category suitable for organizations experiencing steady growth or those planning future expansions, mergers, or technology upgrades.

Flexible Deployment Across Multiple Use Cases

The versatility of this switch category allows it to be deployed across a wide range of scenarios, from single-site offices to large multi-building campuses. Its feature set supports diverse requirements, ensuring consistent performance and management across different environments.

By standardizing on a capable access-layer platform, organizations can simplify procurement, deployment, and support processes while maintaining a high level of network performance and security.

Enterprise-Class Value in a Fixed Access Switch Category

The Cisco Catalyst 9300L-48UXG4XA access switch category delivers enterprise-class features traditionally associated with higher-end platforms in a fixed configuration that balances performance, functionality, and cost efficiency. This approach enables organizations to deploy advanced networking capabilities at scale without exceeding budget constraints.

The combination of Layer 3 intelligence, UPOE support, high-speed uplinks, automation readiness, and robust security makes this category a comprehensive solution for modern access-layer networking. It addresses the evolving demands of digital transformation, cloud integration, and connected workplaces while providing a stable and manageable foundation for long-term network operations.