C9300-48T-E Cisco Catalyst 9300 48 Ports Layer 3 Ethernet Switch

Overview of Cisco C9300-48T-E Catalyst Layer 3 Switch

The Cisco C9300-48T-E Catalyst 9300 is a robust Layer 3 managed switch designed for enterprise-grade networking environments. Optimized for high-speed connectivity, advanced routing, and reliable stackable operations, this rack-mountable switch delivers scalable solutions for modern network infrastructures.

Main Specifications

• Manufacturer: Cisco
• Part Number: C9300-48T-E
• Product Series: 9300
• Product Line: Catalyst 
• Product Type: Ethernet Switch

Key Features and Functional Capabilities

• Managed Layer 3 switch with full Gigabit Ethernet support for 48 ports.
• High-capacity switching with a throughput of 128 Gbps and stacking bandwidth up to 480 Gbps.
• Forwarding rate of 190.48 Mpps ensures rapid packet processing and minimal latency.
• Stackable architecture allowing flexible expansion and redundancy options.
• Rack-mountable 1U enclosure designed for enterprise racks and data centers.

Port and Connectivity Details

• 48 Gigabit Ethernet ports (10/100/1000 Mbps) for high-speed LAN connectivity.
• Supports up to 4,000 VLAN IDs and 2,000 Switched Virtual Interfaces (SVIs).
• Jumbo frame capability of up to 9,198 bytes to enhance large data transfers.
• MAC address table capacity of 32,000 entries for extensive device mapping.

Routing and Network Protocols

• IPv4 and IPv6 routing tables: 32,000 and 16,000 entries respectively.
• Dynamic routing with OSPF, IS-IS, RIP-1, RIP-2, and RIPng.
• Multicast routing using IGMP, PIM-SM, and PIM-SSM.
• Virtual Router Redundancy Protocol (VRRP) for high availability.
• Policy-Based Routing (PBR) for intelligent traffic control.

Remote Management and Monitoring

• Remote access via SNMP v1/v2c/v3, RMON1, RMON2 protocols.
• Command-line interface (CLI), NetConf, and RESTCONF support.
• Flexible monitoring and analytics for proactive network performance management.

Power and Redundancy

• Internal hot-pluggable power supply for seamless operation.
• Supports up to 2 power modules for redundancy (optional configuration).
• AC input: 120/230V at 50-60 Hz for global compatibility.

Physical Specifications

• Dimensions: 17.5 inches (W) x 17.5 inches (D) x 1.7 inches (H)
• Weight: 16.42 lbs
• Compact 1U design fits standard server racks and network cabinets.

Scalability and Deployment Advantages

• Stackable design allows multiple switches to operate as a single unit, simplifying network management.
• High forwarding performance ensures optimal throughput for demanding enterprise applications.
• Supports a large number of VLANs and IP routes, ideal for complex networks and data-intensive environments.
• Flexible power options and redundancy enhance uptime and reliability.

Benefits for Enterprise Networks

• Enhanced network efficiency through high-capacity switching and routing.
• Seamless integration into existing Cisco infrastructure and tools.
• Comprehensive support for IPv4 and IPv6 protocols ensures future-proof deployments.
• Optimized for security, redundancy, and high availability in critical environments.

Outline of Cisco C9300-48T-E Catalyst 9300 Series Switch

The Cisco C9300-48T-E Catalyst 9300 series represents the next evolution in enterprise-class network switches, delivering unmatched performance, reliability, and scalability. Designed for modern, high-density networks, this 48-port managed switch offers advanced features suitable for large enterprise deployments, campus networks, and data center edge environments. With full support for Multigigabit Ethernet, it accommodates high-speed devices without requiring extensive cabling upgrades.

Advanced Network Performance

The Cisco Catalyst 9300-48T-E is engineered to meet the increasing demands of high-speed network traffic. Each of the 48 ports provides exceptional throughput, supporting multiple simultaneous high-bandwidth applications such as video conferencing, cloud computing, and real-time data analytics. By integrating Multigigabit technology, this switch enables seamless connectivity for devices capable of operating at 1G, 2.5G, 5G, and 10G speeds, allowing organizations to maximize existing infrastructure without costly upgrades.

Multigigabit Ethernet Capabilities

Multigigabit support ensures that every connected device achieves optimal data rates even over legacy cabling. The Cisco C9300-48T-E automatically negotiates the best speed for each device, improving network efficiency and reducing bottlenecks. This feature is particularly valuable in environments with high-density wireless access points, video streaming systems, and IoT deployments, where traditional gigabit speeds may be insufficient.

Layer 3 Routing and Advanced Features

Beyond traditional Layer 2 switching, the Catalyst 9300 series offers comprehensive Layer 3 routing capabilities, enabling complex network segmentation and efficient inter-VLAN communication. With full support for OSPF, EIGRP, and BGP routing protocols, the Cisco C9300-48T-E simplifies the creation of scalable, resilient network topologies suitable for enterprises of all sizes. Integrated security features, such as Access Control Lists (ACLs) and dynamic segmentation, further enhance network protection while maintaining high throughput.

Flexible Network Management

Administrators benefit from a wide range of management options. The Cisco C9300-48T-E can be configured and monitored through traditional command-line interfaces, web-based dashboards, or Cisco DNA Center for centralized automation. This flexibility streamlines deployment and maintenance, reducing operational complexity and ensuring consistent performance across all connected devices. Real-time analytics and telemetry provide deep insights into network health and traffic patterns, enabling proactive optimization.

Stacking Capabilities and Scalability

One of the hallmark features of the Cisco Catalyst 9300 series is the ability to stack multiple switches into a single logical unit. With Cisco StackWise-480 technology, up to eight switches can be interconnected, creating a unified network fabric that simplifies management and increases resilience. Stacked configurations provide redundancy, ensuring uninterrupted connectivity even during maintenance or unexpected failures. This scalability makes the C9300-48T-E ideal for enterprises anticipating future growth or evolving network requirements.

Enterprise-Grade Security and Compliance

In today’s enterprise environment, security is paramount, and the Cisco C9300-48T-E is built with multiple layers of defense. Cisco’s TrustSec technology enforces identity-based access policies, while integrated Secure Group Tagging (SGT) simplifies segmentation and threat containment. Network administrators can enforce granular control over which devices can access specific network resources, protecting sensitive data and preventing unauthorized access.

Enhanced Threat Detection and Mitigation

Advanced security features include embedded threat detection and automated response capabilities. The switch continuously monitors traffic patterns and device behavior, detecting anomalies indicative of potential security breaches. Integration with Cisco’s Identity Services Engine (ISE) allows automated policy enforcement, ensuring that suspicious activity is promptly mitigated. These features make the Catalyst 9300-48T-E a robust solution for organizations aiming to maintain compliance with industry standards such as GDPR, HIPAA, and PCI-DSS.

Secure Device and Network Access

802.1X authentication ensures that only authorized devices gain access to the network. Additionally, dynamic VLAN assignment and role-based access policies provide granular control over user and device permissions. These security measures are vital in modern enterprise networks, where an increasing number of devices, including BYOD (Bring Your Own Device) and IoT endpoints, connect to corporate infrastructure.

Energy Efficiency  

The Cisco C9300-48T-E series emphasizes energy efficiency without compromising performance. Cisco’s EnergyWise technology enables administrators to monitor and manage energy consumption across the network, optimizing power usage for connected devices and infrastructure. This eco-friendly approach reduces operational costs and contributes to corporate sustainability goals.

Power over Ethernet (PoE) Support

While the C9300-48T-E is a non-PoE model, it is fully compatible with other PoE-capable devices within the Catalyst 9300 series, providing flexibility for network expansion. In scenarios where PoE is required, other models in the series can be integrated seamlessly, offering a mix of powered and non-powered ports for diverse deployment requirements. This adaptability allows organizations to maintain consistent network architecture while scaling power needs as necessary.

Thermal Management and Reliability

Efficient cooling mechanisms ensure that the Catalyst 9300-48T-E maintains optimal operating temperatures, even under heavy workloads. The modular fans and intelligent thermal sensors dynamically adjust cooling to meet real-time demands, minimizing the risk of overheating while reducing noise and energy consumption. High-quality components and robust design contribute to long-term reliability, making this switch a low-maintenance solution for enterprise networks.

Integration with Modern IT and Cloud Environments

The Catalyst 9300-48T-E is optimized for hybrid IT environments, supporting seamless integration with on-premises, cloud, and edge computing infrastructures. Organizations can leverage its advanced capabilities to create software-defined networks (SDN) that respond dynamically to changing application and workload requirements. This ensures optimal performance for cloud-based applications, virtual desktop infrastructure (VDI), and real-time collaboration tools.

Support for Cisco DNA and SD-Access

Integration with Cisco Digital Network Architecture (DNA) enables full visibility and automated management across the network. The Catalyst 9300-48T-E supports SD-Access, Cisco’s solution for intent-based networking, which automates policy enforcement, simplifies segmentation, and accelerates network provisioning. This approach reduces manual configuration, minimizes errors, and enhances overall operational efficiency, allowing IT teams to focus on strategic initiatives rather than routine maintenance tasks.

Application Optimization and Traffic Prioritization

Quality of Service (QoS) features ensure that critical applications receive priority over less time-sensitive traffic. The switch can classify, queue, and schedule traffic based on type, source, or destination, guaranteeing optimal performance for bandwidth-intensive applications like video conferencing, VoIP, and cloud-hosted services. This granular control improves user experience, reduces latency, and prevents network congestion during peak usage periods.

Ideal Use Cases for Cisco C9300-48T-E

The Catalyst 9300-48T-E is suitable for a wide range of deployment scenarios. In enterprise campus networks, it delivers reliable connectivity for thousands of endpoints, supporting both wired and wireless devices. In data centers, it serves as a high-performance edge switch, handling heavy traffic loads and providing fast interconnectivity between servers, storage, and access devices. Additionally, its robust security and monitoring features make it ideal for regulated industries that require strict compliance and audit capabilities.

Campus and Branch Deployments

For campus environments, the 48-port configuration ensures sufficient connectivity for classrooms, offices, and meeting spaces without compromising speed or performance. Integration with wireless controllers and access points allows seamless roaming and consistent network policies, providing a unified experience for all users. Branch offices benefit from the switch’s advanced routing, stacking, and security features, enabling reliable, secure connectivity even in remote locations.

Data Center and Edge Applications

In data centers, the Cisco C9300-48T-E supports high-density server deployments and storage systems, providing the bandwidth necessary for virtualization, cloud computing, and high-performance applications. Edge deployments leverage its Multigigabit capabilities to handle IoT devices, smart sensors, and edge computing nodes efficiently, ensuring low-latency, high-speed connections for critical workloads.

High-Security Environments

Organizations with stringent security requirements, such as healthcare, finance, and government institutions, benefit from the switch’s robust security framework. Identity-based access, segmentation, and integrated threat detection reduce risk and provide the necessary tools to maintain compliance with industry regulations. The combination of performance, reliability, and security makes the C9300-48T-E a comprehensive solution for mission-critical environments.