C9300L-24T-4G-E Cisco 24-Ports Managed Ethernet Switch

Outline of Cisco C9300L-24T-4G-E Ethernet Switch

The Cisco Catalyst 9300L-24T-4G-E is purpose-built to support modern enterprise networks that demand consistent performance, advanced routing intelligence, and simplified operations. Designed as a Layer 3 managed access switch, this model blends high port density with flexible uplink options, making it suitable for growing organizations, campus deployments, branch offices, and service-driven infrastructures.

With a focus on stability, automation readiness, and secure connectivity, this Catalyst 9300L series switch delivers predictable throughput while supporting evolving network architectures. Its stackable design and rich protocol support allow IT teams to build resilient networks without unnecessary complexity.

Main Information

• Brand: Cisco
• Part Number: C9300L-24T-4G-E
• Product Category: Ethernet Switch

Port and Interface Breakdown

• 24 × 10/100/1000 Mbps RJ-45 Gigabit Ethernet ports for end devices
• 4 × 1G SFP uplink slots for fiber or copper uplink modules
• Dedicated stack port for inter-switch communication
• Separate management Ethernet interface for out-of-band control
• Console access via RJ-45 for local configuration
• USB 2.0 port supporting file storage and software management

Modularity and Flexibility

• Modular Design: Yes, includes stackable functionality
• Stack Ports: Enabled for stackable configurations

Supported Media and Ethernet Technology

• Media Compatibility: Twisted Pair, Optical Fiber
• Ethernet Protocols: Gigabit Ethernet (1000Base-T), Fiber Optic (1000Base-X)

Performance Capabilities

• Layer 3 Routing: Enhanced performance for enterprise networks
• Expansion Slots Available: 4 SFP (mini-GBIC) slots
• SFP Slots: Dedicated for future upgrades
• Shared SFP Slot: No shared SFP slots for this model

Power Features and Energy Efficiency

• Power Source: Power Supply (included)
• Redundant Power Supply: Yes, supports redundancy
• Energy Certifications: Energy Star Certified
• Environmental Standards: Complies with WEEE, EPEAT, RoHS-5, EuP, ErP

Package Contents

• 1 x Catalyst 9300L-24T-4G-E Switch
• 1 x Power Supply Unit
• 3 x Replaceable Cooling Fans

Overview of Cisco Enterprise-Grade Switching Architecture  

The Cisco C9300L-24T-4G-E Catalyst 9300L 24 Ports Switch represents a foundational component in modern enterprise access-layer networking, designed to support scalable, secure, and high-performance wired infrastructures. Built as part of the Cisco Catalyst 9300L Series, this model is engineered to meet the growing demands of digital transformation, cloud connectivity, and mobility-driven workplaces. Its architecture focuses on reliability, simplified management, and consistent performance across diverse deployment environments, making it suitable for small to mid-sized enterprises, branch offices, educational institutions, and distributed corporate campuses.

At the core of this switch lies a purpose-built hardware platform optimized for continuous uptime and predictable throughput. The switching fabric and forwarding architecture are carefully balanced to handle intensive data flows generated by modern applications such as unified communications, real-time collaboration tools, enterprise resource planning systems, and cloud-based workloads. This design ensures low latency, minimal packet loss, and consistent delivery of services across all connected devices.

Catalyst 9300L Series

The Catalyst 9300L lineup is designed as a cost-optimized extension of the broader Catalyst 9300 family, retaining core enterprise capabilities while focusing on fixed uplink configurations and simplified hardware options. The C9300L-24T-4G-E fits neatly into this category by offering 24 fixed Ethernet access ports combined with integrated uplink connectivity. This positioning allows organizations to deploy enterprise-class switching without the complexity or expense of fully modular platforms.

By leveraging the same Cisco IOS XE software foundation as higher-end Catalyst models, the C9300L-24T-4G-E maintains feature parity in areas such as security, automation, programmability, and lifecycle management. This alignment ensures operational consistency across mixed network environments and reduces the learning curve for IT teams already familiar with Cisco enterprise switching.

Port Density and Access Layer Connectivity

The switch provides 24 Ethernet access ports designed to connect a wide range of endpoint devices, including desktop computers, printers, IP phones, wireless access points, surveillance cameras, and industrial equipment. These ports support stable, high-speed connectivity that forms the backbone of everyday business operations. The fixed port configuration simplifies planning and deployment, allowing network architects to design predictable and repeatable access-layer layouts.

The 24-port design is particularly well-suited for wiring closets and edge deployments where space efficiency and straightforward cabling are essential. It allows organizations to support multiple users or devices per floor or department while maintaining clear visibility into network utilization and performance.

Integrated Uplink Capabilities

The C9300L-24T-4G-E includes four integrated Gigabit Ethernet uplink ports that provide reliable connections to distribution or core switches. These uplinks enable seamless aggregation of access-layer traffic and ensure sufficient bandwidth for upstream communication. The integrated nature of these uplinks eliminates the need for separate expansion modules, reducing hardware complexity and potential points of failure.

By supporting multiple uplink connections, the switch can participate in redundant topologies that enhance network availability. Link aggregation and spanning tree technologies can be applied to optimize throughput and provide failover protection in case of link disruptions.

Performance Characteristics  

The Catalyst 9300L-24T-4G-E is engineered to deliver consistent forwarding performance under sustained loads. Its switching capacity and packet processing capabilities are designed to handle concurrent data, voice, and video traffic without degradation. This performance consistency is critical in environments where multiple applications compete for network resources throughout the business day.

Advanced buffering and queue management mechanisms help mitigate congestion during peak usage periods. This ensures that latency-sensitive traffic such as voice over IP and video conferencing maintains acceptable quality levels even when data transfers or backups are occurring simultaneously.

Security Integration and Network Protection

Security is a fundamental design consideration in the Cisco C9300L-24T-4G-E. The switch incorporates multiple layers of protection to safeguard network access, data integrity, and device authentication. These features help organizations defend against both internal and external threats while maintaining compliance with security policies and regulatory requirements.

Port-level security controls enable administrators to define which devices are allowed to connect to the network. Authentication mechanisms such as IEEE 802.1X can be used to validate user credentials before granting access, reducing the risk of unauthorized connections.

Segmentation and Access Control

Network segmentation is supported through virtual LANs and advanced access control lists. These capabilities allow administrators to logically separate traffic based on department, function, or security level. Segmentation reduces the attack surface and limits the potential impact of security incidents.

Access control policies can be enforced at both Layer 2 and Layer 3, providing flexibility in how traffic is filtered and managed. This ensures that sensitive resources remain protected while still allowing necessary communication between network segments.

Threat Detection and Visibility

The switch integrates with Cisco security frameworks that enhance visibility into network activity. Telemetry and monitoring features provide insights into traffic patterns, device behavior, and potential anomalies. This visibility supports proactive threat detection and faster incident response.

By feeding data into centralized security platforms, the C9300L-24T-4G-E becomes part of a broader security ecosystem that leverages analytics and automation to improve overall network defense.

Software Platform and Cisco IOS XE Advantages

The Cisco IOS XE operating system serves as the software foundation for the C9300L-24T-4G-E, delivering a modern, modular, and highly extensible platform. IOS XE combines the reliability of traditional Cisco IOS with the flexibility of a Linux-based architecture, enabling faster innovation and improved system stability.

This software platform supports a wide range of enterprise features, including advanced routing, security services, and network automation. Its modular design allows individual processes to be updated or restarted without impacting the entire system, contributing to higher availability.

Programmability and Automation

IOS XE enables network programmability through open APIs and model-driven management interfaces. These capabilities allow organizations to automate routine tasks, reduce configuration errors, and accelerate deployment of new services. Automation tools can be used to provision ports, apply policies, and monitor performance across large-scale deployments.

The switch supports integration with modern orchestration and DevOps tools, enabling network teams to adopt infrastructure-as-code practices. This approach improves consistency and reduces operational overhead.

Telemetry and Analytics

Streaming telemetry provides real-time data on network performance and health. This data can be consumed by analytics platforms to generate actionable insights and predictive alerts. Telemetry enhances the ability to troubleshoot issues quickly and optimize network resources proactively.

By leveraging these analytics capabilities, organizations can move from reactive network management to a more predictive and data-driven operational model.

Deployment Flexibility and Use Case Scenarios

The Catalyst 9300L-24T-4G-E is designed to adapt to a wide range of deployment scenarios. Its compact form factor and fixed configuration make it suitable for standard wiring closets, remote branch offices, and specialized environments where simplicity and reliability are paramount.

In corporate offices, the switch serves as a dependable access-layer device that connects employee workstations and collaboration tools. In educational settings, it supports classrooms, labs, and administrative offices with consistent performance and centralized management.

Branch Office and Distributed Networks

For organizations with distributed operations, the switch provides a standardized platform that can be deployed consistently across multiple locations. Centralized management capabilities simplify oversight and reduce the need for on-site technical expertise.

The reliability and security features of the switch make it well-suited for branch environments where uninterrupted connectivity is essential for business continuity.

Scalability and Network Growth

As network requirements evolve, the C9300L-24T-4G-E can scale through uplink aggregation and integration with higher-capacity distribution switches. Its compatibility with the broader Catalyst ecosystem ensures that growth can be accommodated without disruptive changes to the network architecture.

This scalability protects long-term investments and allows organizations to expand their networks incrementally as needs change.

High Availability  

Operational resilience is a key consideration in enterprise networking, and the Catalyst 9300L-24T-4G-E incorporates features designed to minimize downtime. Redundant uplinks, fast convergence protocols, and robust hardware components contribute to high availability.

The switch supports rapid recovery mechanisms that help maintain connectivity during link failures or topology changes. These mechanisms are essential for environments where even brief outages can impact productivity or service delivery.

Interoperability Within Cisco Enterprise Networks

The Cisco C9300L-24T-4G-E is engineered to integrate seamlessly with other Cisco networking products and solutions. This interoperability simplifies network design and enables cohesive policy enforcement across wired and wireless domains.

When deployed alongside Cisco wireless access points, security appliances, and management platforms, the switch contributes to a unified network infrastructure that is easier to manage and secure.

Unified Policy and Consistent User Experience

Consistent policy enforcement across the network ensures that users receive the same level of access and performance regardless of location or device type. The switch supports identity-based networking concepts that align network behavior with user roles and business requirements.