C9300L-48T-4G-E= Cisco Catalyst Ethernet Switch (48 Ports)

Outline of Enterprise-Grade Catalyst 9300L-48T-4G-E switch

The Cisco Catalyst 9300L-48T-4G-E= switch is engineered to meet the growing demands of modern enterprise access networks. Designed around advanced stacking, power efficiency, and high-performance forwarding, this model delivers consistent connectivity for branch offices, campuses, and distributed environments. Its architecture emphasizes resilience, flexibility, and long-term investment protection, making it a dependable choice for organizations prioritizing uptime and future readiness.

General Specification

• Manufacturer: Cisco
• Part Number: C9300L-48T-4G-E=
• Product Type: Ethernet Switch

Technical Information

• Switch with 48 Ports
• Layer 3 Capability
• Stackable Design
• Rack-mountable Enclosure
• 48 x 10/100/1000 Mbps Ethernet Ports
• 4 x 10 Gigabit SFP+ Uplinks

Advanced Stackwise Technology for High Availability

• Sub-50 millisecond stack convergence for near-instant recovery
• Nonstop forwarding combined with stateful switchover for traffic continuity
• Centralized management across stacked devices
• Improved scalability without sacrificing performance

Support for PoE+ and Cisco UPOE

• High-density PoE+ ports for standard powered devices
• Cisco UPOE support for higher-power endpoints
• Optional power redundancy for uninterrupted operation
• Hot-pluggable internal power supplies

High Throughput and Efficient Forwarding

• Switching capacity up to 104 Gbps (standalone)
• Up to 424 Gbps with stacking enabled
• Forwarding rates optimized for high packet volumes
• Support for jumbo frames up to 9198 bytes

Automation and Programmable Interfaces

• Support for model-driven programmability
• API-based management for automation tools
• Improved visibility into network operations
• Faster configuration and policy deployment

Supported Routing and Multicast Protocols

• OSPF, EIGRP, and RIP for dynamic routing
• IPv6-ready protocols including RIPng and EIGRP for IPv6
• Multicast support with PIM-SM and PIM-SSM
• Policy-based routing for granular traffic control
• MSTP for optimized Layer 2 loop prevention

Port Configuration and Uplink Options

• 48 Gigabit Ethernet RJ-45 access ports
• 4 Gigabit SFP uplink interfaces for fiber connections
• Support for mixed media deployments
• Optimized for access-layer aggregation

Overview of Cisco C9300L-48T-4G-E= Ethernet Switch 

The Cisco C9300L-48T-4G-E= Catalyst series represents a pinnacle in enterprise networking, designed for high-performance and resilient connectivity. Engineered for modern IT infrastructures, the 48-port Ethernet switch provides scalable solutions for businesses of all sizes. With advanced security features and flexible management options, this switch ensures seamless integration into existing networks while maintaining optimal uptime and performance. Its robust architecture supports high-density connections, making it ideal for organizations demanding reliable and consistent data transmission.

High-Density Connectivity and Port Configuration

The Catalyst 9300L model comes equipped with 48 fixed Ethernet ports, each supporting Gigabit speeds, allowing enterprises to connect numerous devices without compromise. This extensive port capacity supports a range of endpoints, from workstations and IP phones to wireless access points, ensuring comprehensive network coverage. Additionally, the integrated 4G uplink ports facilitate high-speed connections to core networks, enhancing throughput and reducing latency. The switch's port architecture is optimized for flexibility, allowing administrators to configure connections based on organizational requirements, whether in a campus, branch, or data center environment.

Advanced Network Security Features

Security is a cornerstone of the Cisco C9300L-48T-4G-E= switch. Equipped with the latest Cisco TrustSec technology, the device enforces policy-based segmentation and controls access to sensitive network resources. The switch also supports MACsec encryption, ensuring that data transmitted across the network is protected against interception. Integrated threat detection mechanisms identify anomalous traffic patterns and potential intrusions in real-time, allowing IT teams to respond swiftly. Additionally, advanced authentication protocols, including 802.1X and role-based access controls, safeguard the network from unauthorized devices and users, providing a secure foundation for enterprise operations.

Enhanced Performance and Reliability

The Catalyst 9300L series is designed for high availability and minimal downtime. With features like redundant power supplies and stacking capabilities, the switch ensures continuous network operation even during hardware failures or maintenance activities. The intelligent forwarding engine provides low-latency packet processing and efficient traffic management, ensuring that critical applications receive prioritized bandwidth. The device's architecture supports Layer 2 and Layer 3 switching, enabling advanced routing protocols and efficient traffic segmentation, essential for enterprise-scale networks requiring consistent and reliable performance.

Scalability and Stacking Capabilities

One of the defining characteristics of the Cisco C9300L-48T-4G-E= is its ability to scale seamlessly with organizational growth. The switch supports Cisco StackWise technology, allowing multiple switches to operate as a single logical unit. This capability not only simplifies network management but also increases redundancy and bandwidth aggregation. Enterprises can start with a single switch and expand their network as required without disrupting operations. The stacking functionality ensures consistent policy application across all switches, making large-scale deployments easier to manage and more efficient to operate.

Energy Efficiency and Environmental Considerations

The Catalyst 9300L switch is engineered with energy efficiency in mind. It utilizes advanced power management features that reduce energy consumption without sacrificing performance. The switch supports Energy Efficient Ethernet (EEE), dynamically adjusting power based on network activity. Its fan modules and thermal design optimize airflow and cooling efficiency, ensuring operational stability while minimizing energy costs. These features make the switch not only environmentally responsible but also cost-effective over its operational lifecycle, aligning with modern sustainability initiatives and corporate energy policies.

Intuitive Network Management and Automation

Managing the Cisco C9300L-48T-4G-E= switch is streamlined through Cisco DNA Center and Command Line Interface (CLI) tools, providing comprehensive visibility and control over network operations. Administrators can monitor real-time performance metrics, configure policies, and automate routine tasks to reduce manual intervention. The switch also supports programmable APIs, allowing integration with third-party management platforms and customized automation workflows. This level of control and automation enhances operational efficiency, minimizes configuration errors, and ensures that networks remain agile and responsive to evolving business demands.

Flexible Deployment Scenarios

Designed to meet diverse enterprise networking needs, the Catalyst 9300L-48T-4G-E= switch supports multiple deployment scenarios. In campus networks, it serves as an access switch, connecting end-user devices while providing high-speed uplinks to distribution layers. For branch offices, its compact yet robust design offers enterprise-grade connectivity without occupying excessive rack space. The switch's Layer 3 capabilities also make it suitable for data center aggregation or core layer deployments, providing consistent performance across different environments. Its versatility allows IT teams to standardize on a single platform, simplifying management and support.

Advanced QoS and Traffic Management

The Catalyst 9300L switch incorporates sophisticated Quality of Service (QoS) mechanisms, enabling prioritization of mission-critical traffic. Voice, video, and data traffic can be managed effectively to reduce jitter and latency, ensuring optimal application performance. The device supports hierarchical QoS policies, traffic shaping, and congestion management features, allowing organizations to maintain service levels across all network segments. These capabilities are crucial for environments with high demands for real-time communications, such as VoIP deployments, video conferencing, and collaborative applications.

Future-Proof Networking with Cisco Software Support

Cisco continuously enhances the functionality of the Catalyst 9300L series through software updates and new feature releases. The switch is compatible with Cisco IOS XE, providing a modern operating system environment that supports advanced automation, analytics, and security services. Organizations benefit from continuous feature improvements and performance enhancements without the need for frequent hardware upgrades. Software-defined networking (SDN) capabilities allow administrators to adapt the network to evolving requirements, implementing policy changes and network segmentation dynamically to meet business objectives.

Integration with Cisco Security and Analytics Tools

Beyond basic switch functionality, the C9300L-48T-4G-E= integrates seamlessly with Cisco’s suite of security and analytics solutions. Cisco Stealthwatch provides network visibility and behavioral analysis, identifying suspicious activity and potential threats. Cisco Umbrella integration adds a layer of cloud-delivered security, protecting users and devices from malicious content. These integrations create a holistic security posture, allowing IT teams to manage risks proactively and maintain compliance with regulatory standards. Real-time analytics and reporting features also enable data-driven decisions for network optimization and capacity planning.

High Availability Features for Mission-Critical Environments

For organizations that cannot afford network downtime, the Catalyst 9300L switch delivers comprehensive high-availability features. Redundant power supplies, hot-swappable modules, and resilient stacking capabilities ensure continuous operation under adverse conditions. The switch supports nonstop forwarding (NSF) and stateful switchover (SSO), allowing network services to continue without interruption during software upgrades or failover events. These features make the switch suitable for mission-critical applications where even brief network outages can result in significant operational or financial impact.

Comprehensive Support for Enterprise Applications

The C9300L-48T-4G-E= Catalyst switch is designed to support a wide array of enterprise applications, including unified communications, cloud services, and IoT deployments. With its robust Layer 3 capabilities and high-speed uplinks, the switch ensures reliable connectivity for applications requiring consistent bandwidth and low latency. Network segmentation and policy enforcement enable secure deployment of sensitive applications, while automation features simplify provisioning and monitoring. Enterprises can deploy this switch confidently, knowing that it will accommodate current needs while supporting future technology expansions.

Deployment and Configuration Flexibility

Implementing the Catalyst 9300L-48T-4G-E= is simplified by its flexible deployment options and intuitive configuration tools. The switch supports zero-touch provisioning, allowing rapid installation and automated configuration without manual intervention. Its modular software architecture enables administrators to enable or disable specific features based on operational requirements, optimizing resource utilization. Furthermore, the device supports a wide range of VLAN configurations, multicast routing, and dynamic host protocols, providing the necessary tools for complex network topologies and multi-tenant environments.

Resilient Architecture for Enterprise Networks

The Cisco C9300L-48T-4G-E= switch features a resilient hardware and software architecture designed for enterprise-grade reliability. Its high-performance switching fabric ensures consistent packet delivery even under heavy network loads, while redundant components protect against single points of failure. Advanced routing protocols, including OSPF, EIGRP, and BGP, enable efficient traffic distribution and network convergence. Combined with robust security and management features, this architecture ensures that the Catalyst switch can support demanding enterprise networks while providing the performance, reliability, and security expected from a leading network provider.

Comprehensive Technical Specifications

Understanding the technical capabilities of the Cisco C9300L-48T-4G-E= switch is essential for network planning and deployment. The device offers 48 fixed Gigabit Ethernet ports, supplemented by 4G uplinks for high-speed connectivity. It supports stacking of up to eight units, with a combined switching capacity that accommodates enterprise workloads. Advanced Layer 2 and Layer 3 features, including VLAN, QoS, and multicast support, provide flexibility for complex network designs. Energy-efficient operation, coupled with enhanced cooling and fan design, ensures long-term reliability and cost-effective operation, making it a practical choice for enterprises with demanding networking needs.

Optimized for Modern IT Environments

The Catalyst 9300L-48T-4G-E= switch is fully optimized for modern IT environments that require cloud integration, mobile connectivity, and IoT support. Its advanced security and automation capabilities allow IT teams to manage large, dynamic networks efficiently. The switch’s compatibility with Cisco DNA Center simplifies management and monitoring, providing centralized visibility and control over all network segments. With high-density connectivity, robust performance, and comprehensive security, the Cisco Catalyst 9300L series meets the evolving needs of enterprise networks and ensures a future-proof foundation for growth and innovation.