Cisco Catalyst C9300-24U-A

Enterprise-Grade 24-Port Multigigabit Access Switch with Cisco UPOE+

Overview

The Cisco Catalyst C9300-24U-A is a next-generation enterprise access switch engineered to meet the growing demands of modern networks. As part of the highly respected Cisco Catalyst 9300 Series, this model is designed for organizations that require high power delivery, multigigabit performance, advanced security, and long-term scalability.

With 24 Multigigabit Ethernet ports, Cisco UPOE+ support, and full integration with Cisco IOS XE, the C9300-24U-A is ideal for environments deploying Wi-Fi 6 / Wi-Fi 6E access points, IP cameras, digital signage, VoIP phones, and IoT devices—all from a single, reliable access layer switch.

This switch is not just hardware; it is a platform built to support automation, software-defined networking, zero-trust security, and cloud-managed operations, making it a future-ready investment for enterprises, campuses, healthcare facilities, and high-density office networks.

Designed for Modern Enterprise Networks

Enterprise networks today face challenges that traditional access switches cannot handle. Devices consume more power, require faster uplinks, and expect uninterrupted connectivity. The Cisco C9300-24U-A directly addresses these needs with a combination of performance, power, and intelligence.

Unlike basic Gigabit switches, this model supports Multigigabit Ethernet, enabling speeds beyond 1Gbps over existing copper cabling. This allows organizations to upgrade network performance without rewiring their buildings, significantly reducing infrastructure costs.

The inclusion of Cisco UPOE+ (up to 90W per port) means even the most power-hungry devices can be supported reliably—making the C9300-24U-A an excellent foundation for smart buildings and advanced workplace technologies.

Key Hardware Highlights

24 Multigigabit Ethernet Ports

Each of the 24 ports supports 10/100/1000/2.5G/5G speeds, enabling seamless connectivity for both legacy and next-generation devices. This flexibility ensures compatibility across a wide range of endpoints while future-proofing the network.

Multigigabit capability is especially valuable for:

• Wi-Fi 6 and Wi-Fi 6E access points

• High-performance workstations

• Video streaming endpoints

• Data-intensive collaboration tools

Cisco UPOE+ Power Delivery

The C9300-24U-A supports Cisco Universal Power over Ethernet Plus (UPOE+), delivering up to 90 watts per port. This eliminates the need for external power sources and simplifies deployment of advanced devices.

Common UPOE+ use cases include:

• Pan-tilt-zoom (PTZ) IP cameras

• Digital signage displays

• Thin clients

• Building automation systems

• Smart lighting and access control

With intelligent power management, the switch dynamically allocates power where it’s needed most, ensuring optimal efficiency and uptime.

Modular Uplink Flexibility

This model supports hot-swappable network modules, allowing organizations to choose uplinks that match their bandwidth requirements. Options include 1G, 10G, 25G, and 40G uplinks, making it easy to scale as network demands grow.

This modular approach ensures that the switch remains relevant over its entire lifecycle, protecting your investment and reducing future upgrade costs.

Powered by Cisco IOS XE

The Cisco IOS XE operating system transforms the C9300-24U-A from a traditional switch into a programmable, automation-ready network platform.

Benefits of Cisco IOS XE

• Full support for model-driven programmability

• REST APIs and NETCONF/YANG

• Simplified automation and orchestration

• Continuous feature enhancements through software updates

• High availability with process-level redundancy

This software architecture allows IT teams to automate repetitive tasks, reduce configuration errors, and deploy policies consistently across large networks.

Cisco Catalyst C9300-24U-A

Enterprise-Grade 24-Port Multigigabit Access Switch with Cisco UPOE+

Built for Software-Defined Networking (SD-Access)

The Cisco Catalyst C9300-24U-A is a foundational component of Cisco Software-Defined Access (SD-Access) architectures.

With SD-Access, organizations can:

• Segment users and devices automatically

• Enforce identity-based access control

• Reduce manual VLAN configuration

• Improve security without increasing complexity

When integrated with Cisco DNA Center, the switch enables centralized policy management, automated provisioning, and real-time network analytics.

Advanced Security at the Access Layer

Security is no longer optional at the network edge. The C9300-24U-A provides built-in, hardware-enforced security features that protect users, devices, and data from day one.

Key Security Capabilities

• Secure Boot and hardware trust anchor

• MACsec encryption for wired traffic

• Role-based access control

• Network segmentation

• Integration with Cisco Identity Services Engine (ISE)

These features help organizations implement zero-trust security models, ensuring only authorized users and devices gain access to the network.

Cisco Catalyst C9300-24U-A

Enterprise-Grade 24-Port Multigigabit Access Switch with Cisco UPOE+

High Availability and Reliability

Downtime at the access layer can disrupt entire organizations. Cisco engineered the Catalyst 9300 Series for maximum uptime and resilience.

Reliability Features

• Field-replaceable power supplies

• Field-replaceable fans

• Redundant power options

• Stateful switchover

• StackWise technology for switch stacking

With Cisco StackWise, multiple C9300 switches can operate as a single logical unit, simplifying management while providing built-in redundancy.

Energy Efficiency and Sustainability

The C9300-24U-A is designed with energy efficiency in mind. Intelligent power features help reduce overall consumption without compromising performance.

Benefits include:

• Optimized power usage during low-traffic periods

• Efficient cooling design

• Support for sustainable IT initiatives

• Reduced operational costs over time

This makes the switch suitable for organizations with green IT goals and long-term sustainability strategies.

Ideal Deployment Scenarios

The Cisco Catalyst C9300-24U-A is suitable for a wide range of environments:

Enterprise Offices

Support dense Wi-Fi deployments, VoIP systems, and collaboration tools with high power and bandwidth requirements.

Campus Networks

Provide scalable, secure access across multiple buildings with centralized management and consistent policies.

Healthcare Facilities

Power medical devices, imaging systems, and secure workstations while meeting strict reliability standards.

Education Institutions

Enable digital classrooms, smart boards, and high-density wireless access.

Smart Buildings

Serve as the backbone for IoT, automation, surveillance, and building management systems.

Long Product Lifecycle and Investment Protection

Cisco Catalyst 9300 Series switches are known for their long operational lifespan, often exceeding 7–10 years in enterprise environments when properly maintained.

Cisco’s ongoing software support ensures:

• Regular security updates

• Feature enhancements

• Compatibility with new technologies

• Long-term availability of spare parts

This makes the C9300-24U-A a low-risk, high-value investment for organizations planning for the future.

Why Choose Cisco Catalyst C9300-24U-A?

Choosing the right access switch impacts network performance, security, and operational efficiency for years. The C9300-24U-A stands out because it offers:

• Multigigabit performance without rewiring

• Industry-leading power delivery

• Advanced security built into hardware

• Automation and programmability

• Proven Cisco reliability

• Seamless integration with Cisco ecosystem

It is not just a switch—it is a strategic platform for digital transformation.

Buying Considerations

Before purchasing the Cisco C9300-24U-A, consider the following:

• Required power budget for connected devices

• Current and future bandwidth needs

• Uplink module selection

• Software licensing requirements

• Stack deployment plans

Working with an experienced Cisco reseller ensures you select the right configuration for your environment.

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Deep Dive: Multigigabit Ethernet Advantage

One of the defining strengths of the Cisco Catalyst C9300-24U-A is its true Multigigabit Ethernet support. Traditional Gigabit Ethernet has become a bottleneck in modern enterprise environments, especially with the widespread adoption of high-throughput wireless access points and media-rich applications.

The C9300-24U-A solves this by supporting intermediate speeds such as 2.5Gbps and 5Gbps over standard Cat5e and Cat6 cabling. This means organizations can dramatically increase network throughput without replacing existing cabling infrastructure, saving time, labor, and capital expenditure.

For IT teams, this translates into:

• Faster wireless backhaul for Wi-Fi 6/6E access points

• Improved performance for high-bandwidth users

• Reduced congestion at the access layer

• Smoother video conferencing and cloud application access

Multigigabit Ethernet ensures that the access layer is no longer the weakest link in the network.

Cisco UPOE+ in Real-World Deployments

The UPOE+ capability of the C9300-24U-A is especially valuable in environments where devices demand more than standard PoE or PoE+ can deliver.

Practical Applications of 90W Power Delivery

• Advanced Surveillance Systems
  High-resolution PTZ cameras with motors, heaters, and analytics engines require significant power. UPOE+ allows these cameras to operate at full capacity without external adapters.

• Digital Signage and Interactive Displays
  Retail environments, airports, and corporate offices increasingly rely on large digital displays. UPOE+ simplifies installation and improves reliability.

• Smart Building Infrastructure
  Lighting systems, HVAC controllers, badge readers, and sensors can all be powered directly from the switch, reducing electrical complexity.

• Unified Communications Devices
  High-end video phones and collaboration endpoints benefit from a single-cable deployment.

This power capability turns the switch into a centralized power hub, not just a data switch.

StackWise Technology: Simplified Growth and Redundancy

The Cisco Catalyst C9300-24U-A supports Cisco StackWise, allowing multiple switches to operate as one logical unit.

Benefits of Switch Stacking

• Single management interface

• Unified configuration and policy enforcement

• Built-in redundancy

• Seamless expansion as the network grows

Stacking is especially useful in enterprise access closets where uptime is critical. If one unit fails, traffic is automatically rerouted through remaining stack members with minimal disruption.

For growing organizations, StackWise provides a pay-as-you-grow model, avoiding forklift upgrades.

Automation and Zero-Touch Provisioning

Manual configuration of switches is time-consuming and error-prone. The C9300-24U-A is designed for automation-first networking.

With support for:

• Zero-touch provisioning

• API-driven configuration

• Template-based deployments

IT teams can deploy switches rapidly across multiple locations with consistent settings. This is particularly useful for:

• Branch office rollouts

• Campus expansions

• Managed service providers

Automation reduces operational costs and significantly improves deployment speed.

Visibility and Analytics with Cisco DNA

When integrated with Cisco DNA Center, the C9300-24U-A becomes part of an intelligent network fabric.

What IT Teams Gain

• Real-time visibility into network health

• User and device behavior analytics

• Proactive issue detection

• Faster troubleshooting

Instead of reacting to outages, administrators can identify potential problems before users are affected. This leads to higher user satisfaction and lower support overhead.

Secure Access for BYOD and IoT Environments

Modern networks must support a wide range of devices—from employee laptops to guest smartphones and IoT sensors. The C9300-24U-A excels in mixed-device environments.

Security Without Complexity

Through integration with Cisco security solutions, organizations can:

• Apply different access policies to different device types

• Isolate IoT devices from critical systems

• Grant guest access without compromising security

This is especially valuable in industries like healthcare, education, and hospitality, where device diversity is the norm.

Performance Under Load

The Cisco Catalyst C9300-24U-A is built to perform consistently even under heavy traffic conditions. Its hardware architecture ensures:

• Low latency forwarding

• High packet throughput

• Stable performance during peak usage

Whether supporting hundreds of wireless users or powering dozens of high-demand endpoints, the switch maintains predictable performance.

Maintenance and Operational Simplicity

From an operational perspective, the C9300-24U-A is designed to minimize downtime and simplify maintenance.

Features That Matter to IT Teams

• Hot-swappable power supplies and fans

• Clear hardware status indicators

• Remote monitoring capabilities

• Predictable upgrade paths

These features reduce the need for on-site intervention and help IT teams maintain service continuity.

Compliance and Enterprise Standards

Cisco Catalyst switches are widely deployed in regulated industries. The C9300-24U-A aligns with enterprise standards for:

• Security compliance

• Network segmentation

• Data protection

• Auditability

This makes it suitable for financial institutions, government agencies, and large enterprises with strict IT governance requirements.

Comparing C9300-24U-A to Traditional Access Switches

When compared to older or entry-level access switches, the advantages are clear:

• Higher port speeds

• Greater power availability

• Advanced automation

• Stronger security

• Longer lifecycle

While the upfront investment may be higher, the total cost of ownership is often lower due to reduced upgrades, fewer power adapters, and simplified management.

Future-Ready Network Architecture

The Cisco Catalyst C9300-24U-A is not designed just for today’s needs—it is built for what comes next.

As organizations adopt:

• AI-driven applications

• Cloud-first strategies

• Hybrid work models

• Smart infrastructure

This switch provides the performance, power, and intelligence required to support continuous evolution without frequent hardware replacement.

Summary: A Strategic Access Layer Choice

The Cisco Catalyst C9300-24U-A stands as one of the most capable enterprise access switches available. It combines multigigabit performance, high-power delivery, advanced security, and software-defined networking capabilities into a single, robust platform.

For organizations seeking reliability, scalability, and long-term value, this model represents a smart and future-proof choice.

Enterprise IT Decision-Maker Perspective

When IT managers and CIOs evaluate access-layer switches, the decision is rarely about ports alone. The Cisco Catalyst C9300-24U-A addresses the broader concerns of risk reduction, scalability, operational efficiency, and future-readiness.

From a strategic standpoint, this switch enables organizations to standardize on a single access platform capable of supporting diverse use cases. Instead of deploying multiple switch models for different power or performance needs, enterprises can simplify their network design and inventory by adopting the C9300-24U-A across critical areas.

This consistency reduces training requirements for IT staff and lowers the likelihood of configuration errors, especially in large or distributed environments.

Long-Term Cost Efficiency

Although enterprise-grade switches often carry a higher initial cost, the total cost of ownership (TCO) of the Cisco Catalyst C9300-24U-A is significantly lower over time.

How the C9300-24U-A Reduces Costs

• Eliminates the need for separate power adapters and injectors

• Avoids expensive recabling by supporting Multigigabit Ethernet

• Reduces downtime through high availability design

• Lowers operational overhead with automation and centralized management

Over a typical lifecycle of 7–10 years, these savings often outweigh the upfront investment.

Deployment in High-Density Wireless Environments

High-density wireless deployments are one of the most common drivers for upgrading to the C9300-24U-A.

Wi-Fi 6 and Wi-Fi 6E access points demand:

• Higher backhaul bandwidth

• Increased power budgets

• Stable low-latency connections

The multigigabit ports ensure that wireless access points operate at full potential, while UPOE+ guarantees sufficient power for advanced radio features and onboard processing.

This results in:

• Better user experience

• Higher wireless throughput

• Reduced packet loss

• Consistent performance during peak usage

Support for Hybrid Work and Collaboration

As hybrid work becomes the norm, networks must support video conferencing, cloud collaboration tools, and secure remote access. The C9300-24U-A plays a crucial role at the access layer by ensuring stable connectivity for collaboration endpoints.

High-bandwidth wired connections reduce jitter and latency for video calls, while integrated security features help protect sensitive corporate data accessed from shared or flexible workspaces.

Role in Network Segmentation Strategies

Network segmentation is critical for minimizing security risks and meeting compliance requirements. The Cisco Catalyst C9300-24U-A enables granular segmentation at the access layer without increasing administrative complexity.

By enforcing policies based on user identity, device type, or application, organizations can:

• Isolate guest traffic

• Protect critical systems

• Limit lateral movement during security incidents

This proactive approach significantly strengthens the organization’s security posture.

Reliability in Mission-Critical Environments

In industries where downtime is not acceptable, such as healthcare and finance, the reliability of access-layer switches is paramount.

The C9300-24U-A is designed to operate continuously under demanding conditions, offering:

• Redundant power options

• High-quality components

• Advanced monitoring capabilities

These features help maintain uninterrupted service for mission-critical applications and devices.

Simplified Network Expansion

Business growth often requires rapid network expansion. The modular and stackable design of the C9300-24U-A allows organizations to add capacity quickly without redesigning their entire network.

New switches can be added to existing stacks, configured automatically, and brought online with minimal disruption—making expansion predictable and manageable.

Integration with Existing Cisco Infrastructure

For organizations already using Cisco routing, wireless, or security products, the C9300-24U-A integrates seamlessly into the existing ecosystem.

This compatibility ensures:

• Consistent management tools

• Unified security policies

• Streamlined troubleshooting

Such integration reduces complexity and maximizes the value of existing investments.

Cisco Catalyst C9300-24U-A

Enterprise-Grade 24-Port Multigigabit Access Switch with Cisco UPOE+

Training and Skill Availability

Cisco technologies are widely taught and certified worldwide. This makes it easier to:

• Hire skilled network engineers

• Train internal IT staff

• Find third-party support

Choosing the C9300-24U-A reduces dependency on niche skills and proprietary systems, which can be a risk with lesser-known vendors.

Cisco Catalyst C9300-24U-A

Enterprise-Grade 24-Port Multigigabit Access Switch with Cisco UPOE+

Lifecycle Planning and Supportability

Cisco is known for long product lifecycles and clear support roadmaps. The C9300-24U-A benefits from:

• Extended software maintenance

• Regular security updates

• Long-term hardware availability

This predictability allows organizations to plan budgets and upgrades with confidence.

Use in Managed Services and MSP Environments

Managed service providers (MSPs) value the C9300-24U-A for its reliability, automation, and remote management capabilities.

With centralized control and visibility, MSPs can support multiple customers efficiently while maintaining consistent service levels. The switch’s robustness minimizes emergency interventions and improves SLA compliance.

Preparing for Future Technologies

As new technologies emerge—such as AI-driven analytics, augmented reality applications, and advanced IoT—the demand on access-layer networks will only increase.

The C9300-24U-A provides:

• Headroom for higher speeds

• Power for next-generation devices

• Software-driven adaptability

This ensures the network remains relevant even as requirements evolve.

Final Thoughts for Buyers

The Cisco Catalyst C9300-24U-A is more than a networking component; it is a strategic infrastructure asset. Its combination of performance, power, security, and manageability makes it suitable for organizations that prioritize stability and long-term value.

For businesses looking to modernize their access layer without constant upgrades, this switch offers a balanced and dependable solution.

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