C9200L-48P-4G-A Cisco Layer 3 Switch, 48 Ethernet Ports, 4 Gigabit SFP Uplink

Enterprise-Grade Switching Built for Modern Networks

The Cisco Catalyst 9200L-48P-4G-A is engineered to support evolving business networks that demand dependable connectivity, enhanced power delivery, and advanced routing intelligence. Designed as part of the Catalyst 9200 Series, this Layer 3 managed switch delivers a balanced mix of scalability, security, and operational simplicity for campus access and branch deployments.

Product Identity and Classification

• Brand: Cisco
• Series Family: Catalyst 9200
• Model Reference: C9200L-48P-4G-A
• Switch Category: Managed Layer 3 Ethernet Switch
• Deployment Focus: Enterprise access layer and converged networks

Technical Information

• Total Ports: 48
• Uplink Ports: Yes
• Modular Design: Yes
• Stacking Capability: Yes
• Gigabit Ethernet Uplink Ports: 4
• Gigabit Ethernet Network Ports: 48
• Manageable: Yes
• Layer Supported: Layer 3

48 Gigabit Ethernet Access Ports

• Supports 10/100/1000Base-T auto-negotiation
• Optimized for IP phones, wireless access points, cameras, and workstations
• Power over Ethernet Plus (PoE+) enables device powering without external adapters
• Ideal for dense office floors, educational institutions, and enterprise campuses

Uplink Flexibility for Network Aggregation

4 Dedicated Gigabit SFP Uplink Ports

• Utilizes 1000Base-X fiber connectivity
• Supports long-distance and high-speed backbone connections
• Non-shared SFP slots ensure consistent uplink performance
• Compatible with a wide range of Cisco SFP transceivers

Routing and Network Services

• Inter-VLAN routing for optimized internal traffic flow
• Support for dynamic and static routing scenarios
• Improved application responsiveness through intelligent forwarding
• Designed to reduce broadcast traffic and network congestion

Centralized and Flexible Administration

• Fully manageable via Cisco enterprise management platforms
• Granular configuration options for ports, VLANs, and routing policies
• Designed to integrate seamlessly into existing Cisco infrastructures
• Suitable for both on-premises and hybrid management models

Stacking Capabilities

• Built-in stack ports for unified switch management
• Multiple units operate as a single logical switch
• Simplifies configuration, monitoring, and maintenance
• Enhances redundancy and operational resilience

Dedicated Fiber Expansion

• Total Expansion Slots: 4
• Slot Type: SFP (Mini-GBIC)
• Independent slots with no sharing constraints
• Enables easy migration from copper to fiber infrastructure

Supported Media Types

• Twisted-pair copper cabling for access-layer devices
• Optical fiber for uplinks and long-distance connectivity

Optimized for Gigabit Networks

• Gigabit Ethernet support across all access ports
• Seamless interoperability between 10/100/1000Base-T endpoints
• High-speed 1000Base-X fiber uplinks for aggregation

Power Supply Configuration

• Internal power supply for clean, space-efficient deployment
• Engineered to support PoE+ delivery across multiple ports
• Efficient power utilization for reduced operational costs

Redundancy and Business Continuity

• Redundant power supply support minimizes downtime
• Ideal for environments where network availability is mission-critical
• Enhances resilience in enterprise and campus networks

Form Factor Specifications

• Height: 1.7 inches (1U rack-mountable)
• Width: 17.5 inches
• Depth: 11.3 inches

Deployment Scenarios

• Corporate offices and enterprise campuses
• Educational institutions with PoE-powered devices
• Healthcare and retail networks requiring reliable access switching
• Branch offices seeking centralized control and scalability

Enterprise-Grade Architecture of the Cisco Catalyst Switch

The Cisco C9200L-48P-4G-A Layer 3 Switch represents a core component of the Cisco Catalyst 9200L Series, engineered to deliver dependable performance, advanced security, and operational simplicity for modern enterprise networks. This category focuses on access-layer switching solutions designed to meet the evolving demands of digital businesses, educational institutions, service providers, and distributed office environments. Built on Cisco’s proven switching architecture, this model integrates robust hardware, intelligent software capabilities, and scalable design principles to ensure long-term network stability and growth readiness.

At its foundation, the Cisco C9200L-48P-4G-A offers forty-eight Power over Ethernet capable Ethernet ports combined with four Gigabit SFP uplink interfaces, enabling seamless connectivity between access devices and aggregation layers. This configuration supports dense endpoint deployments while maintaining consistent throughput, predictable latency, and high availability. The category emphasizes switches that balance cost efficiency with enterprise-grade reliability, making them suitable for organizations seeking professional networking infrastructure without unnecessary complexity.

Layer 3 Switching Capabilities and Network Intelligence

The Cisco C9200L-48P-4G-A is classified as a Layer 3 switch, meaning it extends beyond basic Layer 2 forwarding to include advanced routing intelligence. This capability allows network administrators to implement inter-VLAN routing directly at the access layer, reducing dependency on centralized routing devices and minimizing network bottlenecks. The category encompasses solutions that streamline traffic flows, improve segmentation, and enhance overall network responsiveness.

With support for dynamic routing protocols, static routing, and policy-based routing, this switch category enables more granular control over data movement. Traffic can be prioritized, segmented, and directed efficiently, which is essential for environments running voice, video, cloud applications, and mission-critical services simultaneously. The integration of routing intelligence within the access layer contributes to simplified network architectures and reduced operational overhead.

High-Density Ethernet Port Configuration

The forty-eight Ethernet ports on the Cisco C9200L-48P-4G-A are designed to accommodate a wide range of connected devices, including IP phones, wireless access points, surveillance cameras, and user workstations. This high-density port configuration is particularly valuable in large office floors, campuses, and branch locations where numerous endpoints must be supported reliably. The category highlights switches that can handle extensive device counts without compromising performance or manageability.

Each Ethernet interface delivers consistent throughput and low-latency switching, ensuring that data-intensive applications function smoothly. The ports are optimized for continuous operation, making them suitable for environments with high uptime requirements. This density allows organizations to consolidate network equipment, reduce rack space consumption, and simplify cabling infrastructures.

Integrated Power over Ethernet Functionality

Power over Ethernet support is a defining characteristic of the Cisco C9200L-48P-4G-A category. By delivering both data and electrical power through standard Ethernet cabling, the switch eliminates the need for separate power adapters for connected devices. This capability simplifies deployment, enhances flexibility, and reduces installation costs across enterprise environments.

PoE functionality enables centralized power management, allowing administrators to monitor, allocate, and control power usage across all connected devices. This is especially advantageous for powering wireless access points and IP phones in locations where electrical outlets are limited or inaccessible. The category emphasizes efficient power delivery, reliability, and intelligent power allocation as essential attributes of modern access-layer switches.

Gigabit SFP Uplink Interfaces for Flexible Connectivity

The inclusion of four Gigabit SFP uplink ports enhances the versatility of the Cisco C9200L-48P-4G-A switch. These uplink interfaces support fiber or copper transceivers, providing flexible options for connecting to distribution switches, core networks, or remote buildings. The category focuses on uplink solutions that ensure high-speed, low-latency connections between network layers.

Gigabit SFP uplinks are particularly important for maintaining consistent performance in environments with high aggregated traffic. By offloading uplink traffic from copper interfaces and utilizing fiber connections, organizations can extend network distances while preserving signal integrity. This flexibility allows the switch to adapt to diverse deployment scenarios, from compact office setups to expansive campus networks.

Advanced Security Framework and Threat Mitigation

Security is a critical aspect of the Cisco C9200L-48P-4G-A switch category, addressing the growing need to protect enterprise networks against internal and external threats. The switch integrates multiple layers of security features designed to prevent unauthorized access, detect anomalies, and enforce network policies consistently across all connected devices.

Support for access control mechanisms, secure authentication, and traffic monitoring enables organizations to maintain strict control over who and what can connect to the network. The category emphasizes proactive security measures that operate at the access layer, reducing the risk of lateral movement by malicious actors and limiting the impact of potential breaches.

Identity-Based Access and Policy Enforcement

The Cisco C9200L-48P-4G-A supports identity-based networking, allowing policies to be applied based on user identity rather than physical port location. This capability enhances flexibility and security, particularly in environments with mobile users or shared workspaces. The category underscores the importance of adaptive security models that align with modern work patterns.

By integrating identity awareness into the switching infrastructure, administrators can define access policies that automatically adjust as users move across the network. This approach simplifies management while maintaining consistent enforcement of security rules, ensuring compliance with organizational and regulatory requirements.

Operational Efficiency and Simplified Management

Ease of management is central to the Cisco C9200L-48P-4G-A category, addressing the need for streamlined network operations in organizations with limited IT resources. The switch is designed to integrate seamlessly with Cisco’s management ecosystems, enabling centralized configuration, monitoring, and troubleshooting.

Intuitive management interfaces and automation capabilities reduce the time required to deploy and maintain network infrastructure. This category prioritizes solutions that minimize manual intervention, reduce configuration errors, and support consistent policy enforcement across large numbers of devices.

Automation and Programmability

Modern enterprise networks require adaptability, and the Cisco C9200L-48P-4G-A category supports this through programmability and automation features. Network administrators can leverage APIs and automation tools to streamline repetitive tasks, accelerate deployments, and respond quickly to changing business requirements.

Automation reduces operational costs while improving network reliability by minimizing human error. The category emphasizes programmable switching platforms that align with software-defined networking principles and support future innovation.

Reliability, Redundancy, and Continuous Operation

Enterprise networks demand high availability, and the Cisco C9200L-48P-4G-A switch category is designed with reliability as a core principle. The hardware architecture emphasizes durability, stable performance, and resilience against component failures. This focus ensures continuous operation even in demanding environments.

Redundant components and robust power delivery systems contribute to minimized downtime and consistent service availability. The category underscores the importance of dependable access-layer switches in supporting business continuity and user productivity.

Resilient Hardware Design

The physical construction of the Cisco C9200L-48P-4G-A reflects Cisco’s commitment to quality and longevity. High-quality materials and rigorous testing processes ensure that the switch can operate reliably over extended periods. This resilience is particularly important for deployments in environments with limited maintenance access.

Hardware resilience reduces the frequency of replacements and repairs, resulting in lower total cost of ownership. The category positions durability as a key differentiator for enterprise-grade switching solutions.

Software Stability and Lifecycle Support

Beyond hardware reliability, software stability plays a crucial role in overall network performance. The Cisco C9200L-48P-4G-A benefits from Cisco’s long-term software support model, providing regular updates, security patches, and feature enhancements. This approach ensures that the switch remains secure and functional throughout its lifecycle.

The category emphasizes long-term investment protection, highlighting solutions that evolve alongside changing networking standards and business needs.

Scalability and Future-Ready Networking

The Cisco C9200L-48P-4G-A category is designed with scalability in mind, enabling organizations to expand their networks without major infrastructure overhauls. The combination of high port density, flexible uplinks, and advanced routing capabilities supports incremental growth and evolving connectivity requirements.

Scalability is not limited to physical expansion but also includes the ability to support new technologies, applications, and security models. The category focuses on switches that provide a foundation for future digital initiatives, including cloud integration and advanced collaboration tools.

Support for Modern Enterprise Applications

As enterprises adopt bandwidth-intensive applications such as unified communications, video conferencing, and cloud-based services, access-layer switches must deliver consistent performance. The Cisco C9200L-48P-4G-A is optimized to handle diverse traffic types simultaneously, ensuring a high-quality user experience.

The category highlights the importance of application-aware networking, where traffic is managed intelligently to meet specific performance and reliability requirements.