C9300-48UXM-A Cisco Catalyst 9300 L2 Manageable Switch 48 Ports

Highlights of Cisco C9300-48UXM-A Enterprise-Grade Switch 

The Cisco Catalyst 9300-48UXM-A is engineered to meet the demands of modern enterprise infrastructures that require speed, flexibility, and intelligent power delivery. Designed as part of the trusted Catalyst 9300 Series, this managed Layer 3 switch supports advanced Ethernet technologies while ensuring stable performance for data, voice, and video traffic across large-scale environments.

Key Product Attributes

• Brand: Cisco
• Part Number: C9300-48UXM-A
• Product Series: Catalyst 9300
• Product Type: Managed Ethernet Switch

Technical Specifications

• Total Ports: 48 Gigabit Ethernet Ports
• Media Type: Twisted Pair
• Ethernet Standards: 10/100/1000BASE-T
• Layer Support: Layer 2
• Uplink Capability: Yes
• Stacking Ports: Yes
• Form Factor: Rack-Mountable
• Modular Design: No

Multi-Gigabit and UPOE Capabilities

• 36 ports supporting 2.5GBASE-T with Universal Power over Ethernet (UPOE)
• 12 flexible ports supporting 100 Mbps, 1G, 2.5G, 5G, and up to 10G speeds
• Ideal for wireless access points, IP phones, security cameras, and IoT devices

Ethernet Technology Versatility

• Supports 10/100/1000Base-T Ethernet standards
• Seamless backward compatibility with legacy devices
• Enhanced support for multi-gigabit Ethernet deployments

Benefits of Stackable Architecture

• Simplified network expansion without complex reconfiguration
• Improved resilience through switch stacking
• Centralized control across multiple units

Power Delivery Features

• Internal power supply for stable operation
• Universal Power over Ethernet (UPOE) for high-power endpoints
• Efficient power allocation across all active ports

Overview of Cisco Enterprise-Class Switching Platform 

The Cisco C9300-48UXM-A Catalyst 9300 Managed L3 Switch with 48 Ports represents a high-performance, enterprise-grade switching platform designed for modern digital networks that require advanced security, scalability, and high-speed connectivity. Built as part of the Cisco Catalyst 9300 Series, this model is engineered to support mission-critical business operations, unified communications, cloud-based workloads, and next-generation wireless deployments. Its architecture is optimized for continuous availability and long-term investment protection, making it suitable for enterprise campuses, branch offices, and large-scale commercial infrastructures.

This switch integrates tightly with Cisco’s intent-based networking strategy, enabling organizations to transition from traditional network management to a more automated, policy-driven approach. With support for high-density multigigabit Ethernet, advanced Layer 3 routing capabilities, and modular uplink options, the Cisco C9300-48UXM-A delivers a flexible foundation for evolving IT requirements while maintaining predictable performance and reliability.

High-Density Multigigabit Port Configuration

The Cisco C9300-48UXM-A is equipped with 48 multigigabit Ethernet ports that support a range of speeds, including 100 Mbps, 1 Gbps, 2.5 Gbps, and 5 Gbps. This capability allows organizations to leverage existing copper cabling infrastructures while still benefiting from higher throughput, particularly for modern endpoints such as Wi-Fi 6 and Wi-Fi 6E access points. By eliminating the need for immediate cabling upgrades, the switch helps reduce deployment costs and accelerates network modernization initiatives.

The multigigabit design ensures consistent performance for bandwidth-intensive applications such as high-definition video conferencing, real-time collaboration platforms, and data-intensive business software. Each port is designed to deliver stable power and data transmission, ensuring compatibility with a wide range of devices, including IP phones, access points, cameras, and IoT endpoints.

Optimized Power Delivery and PoE Capabilities

Power over Ethernet functionality is a critical component of the Cisco C9300-48UXM-A. The switch supports advanced PoE standards, enabling it to deliver sufficient power to demanding devices without requiring external power sources. This simplifies network design and reduces the overall complexity of deployments, particularly in environments where power outlets are limited or difficult to access.

Intelligent power management features allow administrators to allocate power efficiently across connected devices, ensuring optimal utilization of the available power budget. This capability is particularly beneficial in large campus environments where hundreds of powered devices must be managed reliably and securely.

Advanced Layer 3 Switching and Routing Capabilities

As a fully managed Layer 3 switch, the Cisco C9300-48UXM-A provides robust routing capabilities that extend beyond basic switching functions. It supports a wide range of routing protocols, enabling efficient traffic management and segmentation across complex network topologies. These capabilities make it suitable for both core and distribution layer deployments, as well as for advanced access layer scenarios.

Layer 3 features enable improved network performance by reducing broadcast traffic and optimizing packet forwarding. By supporting inter-VLAN routing directly on the switch, organizations can simplify their network architecture while maintaining high throughput and low latency for critical applications.

Scalable Architecture for Growing Networks

The underlying architecture of the Cisco C9300-48UXM-A is designed to scale as organizational needs evolve. The switch supports stacking technology, allowing multiple units to be combined into a single logical switch. This approach enhances redundancy, simplifies management, and provides increased port density without adding unnecessary complexity.

Stacking also improves resiliency by enabling rapid failover in the event of hardware or link failures. Network administrators can manage the entire stack through a single management interface, reducing operational overhead and improving overall efficiency.

High Availability and Redundancy Features

Continuous availability is a core design principle of the Cisco Catalyst 9300 Series. The C9300-48UXM-A incorporates redundant power supply support and advanced failover mechanisms to ensure minimal downtime. These features are essential for organizations that rely on uninterrupted network connectivity to support critical business processes.

Stateful switchover and fast convergence technologies help maintain active sessions and minimize disruptions during maintenance or unexpected failures. This level of resilience makes the switch suitable for environments with strict uptime requirements, such as healthcare facilities, financial institutions, and large enterprise campuses.

Security-First Design and Network Protection

Security is deeply embedded into the design of the Cisco C9300-48UXM-A, reflecting Cisco’s long-standing focus on network protection. The switch supports a comprehensive suite of security features that help safeguard both the infrastructure and connected devices. These features include advanced access control mechanisms, secure segmentation, and real-time threat detection capabilities.

By integrating security at the hardware and software levels, the switch helps prevent unauthorized access and reduces the risk of data breaches. This proactive approach to security is particularly important in modern networks where users, devices, and applications are increasingly distributed.

Integrated Trust and Policy Enforcement

The Cisco C9300-48UXM-A supports identity-based networking, allowing administrators to define and enforce policies based on user roles, device types, and application requirements. This granular level of control helps ensure that only authorized users and devices can access sensitive resources.

Trust-based technologies enable the switch to act as a secure enforcement point within the network, providing visibility and control over traffic flows. This capability is essential for organizations adopting zero-trust security models and compliance-driven network designs.

Software-Defined Networking and Automation

The Cisco C9300-48UXM-A is designed to operate within Cisco’s software-defined networking ecosystem. It supports advance automation and programmability features that enable organizations to streamline network operations and reduce manual configuration tasks. Through integration with Cisco DNA Center, administrators can gain centralized visibility and control over the entire network.

Automation capabilities help accelerate deployment, simplify troubleshooting, and ensure consistent policy enforcement across all network devices. This approach reduces the likelihood of configuration errors and improves overall operational efficiency.

Programmability and API Support

The switch supports modern programmability frameworks, including open APIs and scripting capabilities. These features allow network teams to integrate the switch into existing IT workflows and orchestration tools. By enabling programmatic access to network functions, organizations can adapt more quickly to changing business requirements.

Programmability also supports advanced use cases such as automated provisioning, real-time monitoring, and dynamic policy updates. This flexibility is particularly valuable in environments with rapidly changing workloads or frequent configuration changes.

Performance Optimization for Modern Applications

High performance is a defining characteristic of the Cisco C9300-48UXM-A. The switch is engineered to deliver consistent throughput and low latency, even under heavy traffic loads. This performance profile ensures that critical applications receive the network resources they need to operate effectively.

Quality of Service mechanisms allow administrators to prioritize traffic based on application requirements, ensuring optimal performance for latency-sensitive services such as voice and video. This capability is essential for organizations that rely on unified communications and real-time collaboration tools.

Wireless and IoT Deployments

The multigigabit ports and robust PoE capabilities of the Cisco C9300-48UXM-A make it an ideal platform for supporting advanced wireless and IoT deployments. As organizations adopt Wi-Fi 6 and Wi-Fi 6E technologies, the switch provides the necessary bandwidth and power to fully utilize these high-performance access points.

IoT devices often have unique connectivity and security requirements, and the switch’s advanced features help address these challenges. By providing secure segmentation and efficient traffic handling, the switch enables organizations to integrate IoT solutions without compromising network performance or security.

Energy Efficiency and Sustainable Design

Energy efficiency is an important consideration for modern enterprises, and the Cisco C9300-48UXM-A incorporates features designed to reduce power consumption without compromising performance. Intelligent power management and efficient hardware design help minimize the environmental impact of network operations.

These energy-saving capabilities contribute to lower operating costs and support sustainability initiatives, making the switch an environmentally responsible choice for forward-thinking organizations.