C9300L-48UXG-4X-E Cisco Catalyst Switch 9300L 48 Ports 12mGig Network Essentials UPoE

Outline of Cisco Catalyst 9300L Series Switch 

The Cisco Catalyst 9300L-48UXG-4X-E represents a robust Layer 3 stackable managed switch designed for high-performance enterprise networks. Combining advanced features, extensive port capacity, and powerful PoE capabilities, this model ensures scalable, reliable, and efficient connectivity for modern IT infrastructures.

Key Specifications

• Manufacturer: Cisco
• Part Number: C9300L-48UXG-4X-E
• Device Type: Managed Switch

Comprehensive Device Features

• Device Type: Fully managed Layer 3 switch with stacking support
• Port Count: 48 x 1 Gigabit Ethernet with UPoE support plus 4 x 10G SFP+ uplink ports
• Form Factor: Rack-mountable design for flexible deployment in network closets or server rooms
• Power over Ethernet (PoE): UPoE functionality with a total budget of 675 Watts, suitable for high-demand devices
• Network Subtype: Gigabit Ethernet optimized for seamless enterprise communication

Advanced Performance and Throughput

• Switching Bandwidth: 392 Gbps for standalone operation, expandable to 712 Gbps when stacked
• Forwarding Rate: 291.66 Mpps non-stacked; 529.76 Mpps in stacked configuration
• High-Density Scalability: Supports thousands of routes, VLANs, and policy entries for growing networks

Capacity and Scalability Details

• IPv4 Routing: Handles up to 32,000 routes, ensuring comprehensive network reachability
• IPv6 Routing: Capable of 16,000 routes to support modern IP environments
• Multicast Support: Up to 8,000 multicast groups for efficient data distribution
• VLAN Flexibility: Supports 4,094 VLANs to segment and secure network traffic
• ACL and QoS Entries: 5,120 entries each, providing fine-grained control over traffic policies
• Switched Virtual Interfaces (SVIs): Up to 1,000 for enhanced routing and management

Port Configuration and Power Capabilities

• Uplink Ports: 4 x 10G SFP+ for high-bandwidth connections to core switches or aggregation layers
• Access Ports: 48 x 1G UPoE for IP phones, cameras, wireless APs, and other powered devices
• PoE Budget: 675 Watts allows simultaneous powering of multiple high-demand devices without external injectors

Optimized for Enterprise Networks

• Stacking capabilities to increase capacity and simplify network management
• Robust Layer 3 routing for internal and external network traffic
• High-density port layout to reduce cabling complexity and improve network efficiency
• Advanced QoS and ACL features for secure and prioritized data delivery

Key Advantages of the Cisco 9300L Switch

• Flexible deployment in standard 19-inch racks
• Seamless integration into existing Cisco networks
• High availability and redundancy with stacking support
• Scalable architecture for future growth and evolving network needs
• Enhanced energy efficiency through intelligent PoE allocation

Ideal Applications

• Enterprise campus access networks
• Data center edge deployments
• High-density office environments with IP phones, Wi-Fi APs, and cameras
• Secure network segmentation using VLANs and ACL policies
• Large-scale, high-throughput environments requiring low latency

Overview of Cisco Catalyst C9300L-48UXG-4X-E Switch 

The Cisco C9300L-48UXG-4X-E Catalyst Switch, part of the renowned 9300L series, delivers advanced networking capabilities tailored for modern enterprise environments. This switch offers 48 high-speed 12mGig ports alongside four uplink ports, ensuring exceptional performance, scalability, and resilience. Designed for organizations seeking high throughput and flexibility, the C9300L series supports Cisco’s Network Essentials feature set, providing essential security, automation, and management tools for a robust network infrastructure.

High-Performance Switching for Enterprise Networks

The Catalyst 9300L switch is engineered to handle demanding network workloads, making it ideal for large campuses, branch offices, and data center edge environments. Each of its 48 ports supports up to 12mGig speed, enabling fast and reliable connectivity for a variety of devices, including computers, wireless access points, IP phones, and IoT devices. The four additional uplink ports facilitate seamless integration with core switches or routers, creating a highly scalable network topology. The switch also ensures low latency and high throughput, which are critical for applications such as video conferencing, cloud computing, and real-time data analytics.

Flexible Network Essentials Features

Equipped with Cisco’s Network Essentials license, the C9300L-48UXG-4X-E offers a comprehensive suite of features designed to simplify network operations while maintaining security and performance. This includes Layer 2 and Layer 3 capabilities, VLAN support, and enhanced routing options, allowing IT administrators to optimize network traffic and segment resources efficiently. The Network Essentials license also provides foundational security measures, such as access control lists (ACLs), port security, and DHCP snooping, which help protect against unauthorized access and potential network threats.

Power over Ethernet (UPoE) Support

One of the defining features of the C9300L-48UXG-4X-E is its Universal Power over Ethernet (UPoE) capability, which delivers higher power levels to connected devices. This is particularly beneficial for powering high-demand devices like wireless access points, IP cameras, and VoIP phones without requiring additional power sources. UPoE reduces infrastructure complexity and installation costs while ensuring that critical devices receive stable and reliable power for uninterrupted operation. Cisco’s intelligent power management also allows administrators to allocate power dynamically based on device priority and network requirements.

Advanced Security and Compliance

In today’s cybersecurity landscape, securing network endpoints and data is paramount. The Catalyst 9300L switch incorporates advanced security mechanisms, including IEEE 802.1X port-based authentication, dynamic ARP inspection, and IP Source Guard. These measures help prevent unauthorized access and mitigate potential internal threats. Furthermore, the switch supports encrypted traffic forwarding and secure management protocols such as SSH and SNMPv3, ensuring that sensitive configuration data and management communications remain protected from interception or tampering.

Automation and Programmability

Modern enterprise networks require automation to reduce operational complexity and improve efficiency. The Cisco C9300L-48UXG-4X-E supports a variety of automation tools and programmability features, including Cisco DNA Center integration, REST APIs, and Python scripting. These capabilities allow network administrators to automate repetitive tasks, monitor network performance in real-time, and implement configuration changes across multiple devices quickly and consistently. Automation also enables faster deployment of new services and applications, reducing downtime and improving overall network agility.

Scalability and Stackable Architecture

The Catalyst 9300L series is designed with scalability in mind, offering stackable architecture that allows multiple switches to operate as a single logical unit. This stacking capability simplifies network management by centralizing configuration and monitoring while providing high availability through redundant links. With Cisco StackWise technology, administrators can add or replace switches without disrupting network operations, ensuring seamless growth as organizational requirements evolve. The C9300L-48UXG-4X-E supports stack bandwidth sufficient to handle high-speed data transfers, which is crucial for environments with intensive network traffic.

Energy Efficiency 

Cisco has incorporated energy-efficient design principles into the Catalyst 9300L series, helping organizations reduce power consumption without sacrificing performance. The C9300L-48UXG-4X-E features intelligent power management, adaptive fan speed controls, and low-power modes that adjust energy usage based on traffic and device activity. These optimizations contribute to a smaller carbon footprint, lower operational costs, and compliance with environmental regulations. Additionally, the switch’s compact form factor and quiet operation make it suitable for deployment in office environments where space and noise constraints are considerations.

Enhanced Reliability and Redundancy

The Catalyst 9300L series is built to deliver enterprise-grade reliability, featuring redundant power supplies and fans to ensure continuous operation even during component failures. The switch’s resilient hardware design, coupled with software features such as nonstop forwarding (NSF) and stateful switchover (SSO), guarantees minimal service interruption during upgrades or maintenance. High availability features, including link aggregation and spanning tree protocol enhancements, further strengthen network stability and ensure that business-critical services remain operational under all circumstances.

Comprehensive Connectivity Options

Connectivity is a cornerstone of modern network architecture, and the C9300L-48UXG-4X-E excels in this domain with versatile port configurations. The 48 mGig ports provide high-speed access for end devices, while the four uplink ports support multi-gigabit and 10 Gigabit Ethernet connections, enabling seamless integration with core networks or data centers. This flexibility allows organizations to deploy the switch in diverse environments, ranging from campus edge to enterprise aggregation, without compromising performance. The switch also supports advanced Layer 2 and Layer 3 routing protocols, ensuring efficient traffic distribution and optimal path selection across the network.

Quality of Service for Mission-Critical Applications

Maintaining performance for mission-critical applications is essential in enterprise networks. The C9300L-48UXG-4X-E includes advanced Quality of Service (QoS) features that prioritize latency-sensitive traffic, such as VoIP, video conferencing, and real-time collaboration tools. Administrators can configure multiple traffic classes, bandwidth allocation, and scheduling policies to ensure that high-priority applications receive the necessary resources. This capability enhances user experience and supports business continuity by minimizing packet loss, jitter, and delay in high-traffic scenarios.

Integration with Cisco Ecosystem

The Catalyst 9300L series integrates seamlessly with the broader Cisco ecosystem, including wireless controllers, security appliances, and cloud-based management platforms. This integration enables organizations to implement unified network policies, centralized security enforcement, and automated device provisioning. By leveraging Cisco’s extensive portfolio, IT teams can build a holistic and future-proof network architecture that scales effortlessly and adapts to evolving business requirements. The switch’s compatibility with Cisco DNA Center and SD-Access further enhances network segmentation, automation, and analytics capabilities.

Use Cases and Deployment Scenarios

The Cisco C9300L-48UXG-4X-E is suitable for a wide range of deployment scenarios, from enterprise campus networks to branch office connectivity. In educational institutions, the switch can provide reliable high-speed connections for classrooms, research labs, and administrative offices. In healthcare environments, it supports secure and resilient connectivity for medical devices, patient monitoring systems, and telemedicine applications. For corporate campuses, the switch ensures seamless connectivity for workstations, IP phones, and wireless access points, while supporting advanced security and network management features to protect sensitive data. Its high port density and UPoE capabilities make it particularly valuable for organizations with growing IoT deployments or video surveillance networks.

Future-Proof Networking Investment

Investing in the Catalyst 9300L-48UXG-4X-E ensures long-term network performance and scalability. The switch supports emerging technologies and standards, including high-speed wireless access, multi-gigabit Ethernet, and advanced automation frameworks. Its modular and stackable design allows organizations to expand their network without major infrastructure overhauls. Additionally, Cisco’s regular software updates and security patches keep the switch compliant with industry best practices and evolving cybersecurity threats. This forward-looking approach helps organizations maximize return on investment while maintaining a cutting-edge network infrastructure.

Support and Warranty Services

Cisco provides extensive support and warranty options for the Catalyst 9300L series, ensuring peace of mind for enterprise IT teams. This includes access to technical support, software updates, and hardware replacement services, helping organizations maintain continuous network operation. Cisco’s Technical Assistance Center (TAC) offers expert guidance for troubleshooting complex networking issues, while online resources and documentation provide valuable insights into best practices and configuration recommendations. By leveraging Cisco’s support ecosystem, organizations can minimize downtime, accelerate problem resolution, and maintain high levels of operational efficiency.

Technical Specifications and Hardware Features

The C9300L-48UXG-4X-E switch combines robust hardware with advanced software capabilities. Its 48 mGig ports deliver high-density access, while the four uplink ports offer flexible connectivity options. The switch is equipped with redundant power supplies and fans, ensuring continuous operation. With support for up to 12mGig per port, advanced Layer 2 and Layer 3 routing, and comprehensive security features, the Catalyst 9300L meets the performance and reliability requirements of modern enterprise networks. The switch also supports Cisco StackWise technology, enabling multiple devices to operate as a single logical unit for simplified management and enhanced resiliency.

Software Features  

The Catalyst 9300L-48UXG-4X-E leverages Cisco IOS XE software, providing a rich feature set that includes advanced routing, network segmentation, security policies, and automation capabilities. The Network Essentials license offers essential functionality, while higher-tier licenses such as Network Advantage can unlock additional features like advanced security, full Layer 3 routing, and software-defined access capabilities. This flexible licensing model allows organizations to tailor the switch functionality to their specific operational requirements and budget, ensuring optimal network performance and scalability.