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Cisco 9300 Switch: The Comprehensive Guide to Cisco Catalyst 9300 Series Switches

Oct, 09, 2024 Hi-network.com

cisco 9300 switch

Introduction to Cisco Catalyst 9300 Series

The Cisco Catalyst 9300 Series, often referred to as the C9300 series, is one of the most advanced and widely adopted enterprise-class switches in the networking industry. Designed to support high-performance, security, and scalability, the C9300 series is ideal for enterprises that need a reliable and future-proof solution for their network infrastructures. These switches support cloud computing, wireless, and IoT integration while providing excellent security features and programmability to accommodate evolving business needs.


Key Features of Cisco Catalyst 9300 Switches

Cisco Catalyst 9300 switches boast a host of powerful features that make them an excellent choice for modern network infrastructures. Below are some of the most notable features:

StackWise® Technology

One of the standout features of the Cisco 9300 series is the ability to stack up to 8 switches using Cisco's StackWise® technology. This allows for a unified system with up to **480 Gbps** of stacking bandwidth. With StackWise®, businesses can simplify network management while increasing resilience and performance.

Power over Ethernet (PoE) voir aussi: Capabilities

The C9300 series comes with PoE+, UPOE, and even UPOE+ support, offering up to **384 ports** of PoE power. This is critical for powering IoT devices, IP phones, and wireless access points, reducing the need for additional electrical cabling.

High Performance et évolutivité

The switches in the Cisco 9300 series provide high switching capacity, with some models reaching up to **960 Gbps**. This ensures that the network can handle large volumes of traffic and is scalable to meet growing business needs.

Advanced Security

Cisco Catalyst 9300 switches are built with advanced security features like **Cisco TrustSec®** and **MACsec encryption**, which safeguard the integrity and confidentiality of network traffic. These features help prevent unauthorized access and ensure that communications across the network are protected.


Performance and Scalability

One of the key selling points of the Cisco Catalyst 9300 switches is their performance and scalability. These switches are designed to meet the demands of growing organizations, offering a wide range of port configurations and modular uplink options.

Liaisons montantes modulaires

The Cisco 9300 switches provide flexibility through modular uplinks. The uplink options include **1GbE**, **10GbE**, and even **40GbE**. This flexibility allows for high-speed connections between network segments and ensures that the network can scale as required.

Stacking Capabilities

With the ability to stack up to 8 switches, the C9300 series supports high bandwidth while offering redundancy. This feature ensures that in the event of a hardware failure, the stacked system will continue to function, maintaining network availability.

Multigigabit Ethernet

For environments with high bandwidth demands, such as wireless networks, the Cisco Catalyst 9300 series supports **multigigabit Ethernet**. This allows businesses to achieve speeds beyond **1Gbps** without having to upgrade existing cabling infrastructure, making it a cost-effective option for high-speed connectivity.


Security Features of the Cisco Catalyst 9300 Series

Security is a critical component of any network infrastructure, and the Cisco Catalyst 9300 series integrates advanced security features to ensure data protection.

Cisco TrustSec®

Cisco TrustSec® allows for identity-based access control, simplifying security policy management and offering a scalable solution to segment the network based on roles, policies, and user identity. This enhances the security posture by limiting access to sensitive data only to authorized users.

MACsec Encryption

MACsec (Media Access Control Security) encryption is built into the Cisco 9300 switches, providing **Layer 2 encryption** between network devices. This ensures that data transmitted across the network remains confidential and protected against eavesdropping or interception.

Software-Defined Access (SDA)

Cisco’s Software-Defined Access (SDA) simplifies network segmentation and enhances security by automating policy enforcement across the network. SDA helps reduce the attack surface by applying consistent security policies, regardless of where users connect to the network.


Key Technical Specifications

Here are the key technical specifications of the Cisco Catalyst 9300 series switches: 

- Ports: 24 or 48 x 1GbE PoE+ ports, with UPOE or UPOE+ options. 

- Uplinks: 2 x 40GbE or 4 x 10GbE modular uplink ports for high-speed connectivity. 

- Stacking Bandwidth: Up to 480 Gbps with Cisco StackWise® technology. 

- Switching Capacity: Up to 960 Gbps, ensuring high-performance traffic handling. 

- MACsec Encryption: Built-in MACsec encryption for secure Layer 2 communication. 

- PoE Power: Up to 384 ports of PoE+ or UPOE power for connecting powered devices. 

- Management: Supports centralized management through Cisco DNA Center, along with full programmability using open APIs. 

- Programmability: API-driven automation through Cisco IOS XE, supporting Python and NETCONF/RESTCONF. 

- Redundancy: Hot-swappable power supplies and fans for increased uptime and high availability.


Popular Models in the Cisco Catalyst 9300 Series

The Cisco Catalyst 9300 series offers a range of models to suit different business needs. Here are some of the most popular models:

C9300-24T-A

A 24-port data-only switch, ideal for businesses that need high-performance switching without PoE requirements.

C9300-48P-A

A 48-port PoE+ switch, perfect for environments where devices like IP phones and wireless access points need to be powered over Ethernet.

C9300-24UXB-A

A 24-port multigigabit switch with UPOE, designed for high-speed wireless networks and dense IoT deployments.

C9300-48U-A

A 48-port UPOE switch capable of delivering high power for connected devices, including advanced access points and surveillance systems.


Use Cases for Cisco Catalyst 9300 Switches

The versatility and advanced feature set of the Cisco Catalyst 9300 switches make them suitable for a variety of use cases in different industries.

Enterprise Campus Networks

With high performance, scalability, and advanced security features, the Cisco Catalyst 9300 series is ideal for enterprise campus networks. The switches can support thousands of connected devices, ensuring reliable connectivity and robust security.

Wireless Network Infrastructure

The 9300 series supports **802.11ac Wave 2** wireless technologies and multigigabit Ethernet, making it the perfect backbone for high-speed wireless networks in large enterprises or educational institutions.

IoT Deployments

With extensive PoE and UPOE support, the Cisco Catalyst 9300 switches can power a wide array of IoT devices, including cameras, sensors, and access control systems. Their programmability also makes them an excellent fit for environments that require automation and data analytics integration.

Data Centers and Branch Networks

For organizations looking to extend their data centers or create resilient branch networks, the Cisco Catalyst 9300 series offers centralized management, high throughput, and stacking capabilities that simplify operations and enhance network reliability.


Conclusion Conclusion

The Cisco Catalyst 9300 series switches are the industry’s leading solution for enterprise networking. With advanced features like StackWise® technology, PoE capabilities, and robust security integrations, these switches provide businesses with the flexibility, performance, and security needed to support modern IT demands. Whether it’s for a wireless network, IoT infrastructure, or a high-performance data center, the Cisco 9300 series delivers exceptional performance and future-proof scalability to keep networks running smoothly and securely. 


Cisco Catalyst 9300 Series Switches

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