C9300L-48T-4G-E Cisco Catalyst 9300L 48 Ports Managed Switch

Overview of Cisco Catalyst 9300L-48T-4G-E Switch 

The Cisco Catalyst 9300L Series is engineered for modern, high-performance networks, delivering exceptional stackable solutions with Cisco StackWise technology. It ensures seamless operation with support for Nonstop Forwarding with Stateful Switchover (NSF/SSO), creating a resilient network backbone with sub-50 ms recovery times in stacked configurations. These switches are optimized for efficiency, reliability, and scalability, making them ideal for enterprise deployments.

General Specification

• Manufacturer: Cisco
• Part Number: C9300L-48T-4G-E
• Product Type: Ethernet Switch

Technical Information

• Switch with 48 Ports
• Layer 3 Capability
• Stackable Design
• Rack-mountable Enclosure
• 48 x 10/100/1000 Mbps Ethernet Ports
• 4 x 10 Gigabit SFP+ Uplinks

Performance Metrics

• Stacking Switching Capacity: 424 Gbps
• Switching Capacity: 104 Gbps
• Forwarding Rate: 77.38 Million Packets per Second (Mpps)
• Forwarding Rate with Stacking: 315.48 Mpps

Routing and Protocols

• IPv4 Routes: 32,000
• IPv6 Routes: 16,000
• Multicast Entries: 8,000
• Quality of Service (QoS) Entries: 5,120
• Access Control List (ACL) Entries: 5,120
• Routed Ports: 416
• VLANs Supported: 4,094
• Switched Virtual Interfaces (SVIs): 1,000
• Mac Address and Frame Support
• Mac Address Table Size: 32,000 Entries
• Jumbo Frame Size: Up to 9,198 Bytes
• Routing Protocols Supported
• OSPF
• RIP-1 and RIP-2
• EIGRP
• VRRP
• PIM-SM
• EIGRP for IPv6
• PIM-SSM
• Policy-Based Routing (PBR)
• RIPng
• MSTP

Memory and Storage

• RAM: 8 GB
• Flash Memory: 16 GB
• Interface Details
• 48 x 1000BASE-T RJ-45 Ports
• 4 x 1000BASE-X SFP+ Uplinks

Power Requirements

• Internal Power Supply
• Hot-plug Capability
• Installed Quantity: 1 (default) / 2 (maximum)
• Power Redundancy: Optional
• Power Output: 350 Watts
• Voltage: AC 120/230 V (50 - 60 Hz)

Outline of Cisco C9300L-48T-4G-E Catalyst 9300L  Switch

The Cisco C9300L-48T-4G-E Catalyst 9300L series represents a premier solution in enterprise-grade network switching, designed to meet the rigorous demands of modern IT infrastructures. With 48 Ethernet ports and 4 integrated Gigabit SFP uplinks, this switch delivers superior connectivity, reliability, and performance for medium to large-scale networks. Engineered with Cisco’s renowned hardware and software architecture, the Catalyst 9300L series ensures high availability, secure operations, and simplified management for IT administrators.

Performance and Reliability

Performance is at the core of the Cisco Catalyst 9300L. The C9300L-48T-4G-E model supports advanced Layer 2 and Layer 3 switching functionalities, allowing organizations to manage heavy network traffic seamlessly. Equipped with a forwarding rate capable of handling millions of packets per second, the switch guarantees low latency and consistent throughput even during peak workloads. Reliability is further enhanced through redundant power supply options and field-replaceable components, ensuring minimal downtime and continuous network operation.

Advanced Uplink and Connectivity Options

Connectivity in modern networks requires flexibility and scalability. The C9300L-48T-4G-E includes 48 fixed 10/100/1000 Ethernet ports, enabling robust wired connections for end devices, servers, and access points. Additionally, the four integrated 1G SFP uplinks allow for high-speed connections to core switches, data centers, or aggregation layers. This combination of ports and uplinks provides IT administrators with the ability to expand networks effortlessly while maintaining optimal performance and low latency.

Stacking Capabilities

One of the defining features of the Catalyst 9300L series is its stackability. Using Cisco StackWise-160 technology, multiple C9300L switches can be interconnected to function as a single logical switch. This stacking capability simplifies network management, enables high availability, and provides increased scalability without adding complex configurations. Networks can scale efficiently, and administrators can maintain uniform policy enforcement across all stacked switches.

Security Features of the Cisco Catalyst 9300L

Security remains a top priority in enterprise networks, and the Cisco C9300L-48T-4G-E addresses this with comprehensive protection measures. The switch supports advanced security protocols, including IEEE 802.1X for port-based network access control, dynamic ARP inspection, and DHCP snooping. These features mitigate threats such as unauthorized access, IP spoofing, and rogue devices on the network. Additionally, the Catalyst 9300L integrates Cisco TrustSec technology, providing policy-based segmentation and secure communication across the entire network infrastructure.

Role-Based Access Control

Role-based access control (RBAC) on the Catalyst 9300L ensures that users and devices receive appropriate network permissions based on their role. This feature allows IT teams to enforce strict access policies without complicating network configuration. RBAC, combined with VLAN segmentation and private VLANs, creates a secure environment that isolates sensitive data while maintaining network efficiency for day-to-day operations.

Encrypted Traffic and Threat Mitigation

The C9300L-48T-4G-E supports encryption for both management and data traffic, providing confidentiality and integrity for sensitive communications. The switch also works seamlessly with Cisco’s software-defined access (SD-Access) and network analytics tools, allowing organizations to proactively detect and respond to threats. These features collectively enhance network security, making the Catalyst 9300L a reliable choice for enterprises handling sensitive or mission-critical data.

Software and Network Management

Managing a large-scale network requires intuitive and efficient software tools. The Cisco C9300L-48T-4G-E is powered by Cisco IOS XE, a modular operating system designed for high performance and programmability. IOS XE supports automation, analytics, and telemetry, enabling administrators to deploy configurations, monitor network health, and troubleshoot issues with precision. The software also supports Cisco DNA Center integration, which centralizes network management and offers a complete view of the network topology.

Automation and Programmability

Automation capabilities on the Catalyst 9300L reduce manual intervention and increase operational efficiency. Using tools such as NETCONF, RESTCONF, and Cisco Embedded Event Manager (EEM), network administrators can automate repetitive tasks, enforce consistent policies, and respond dynamically to network events. Programmability allows the switch to adapt to evolving network requirements and ensures a future-proof infrastructure capable of handling software-defined networking initiatives.

Scalability and Network Flexibility

Scalability is a critical consideration for businesses that anticipate growth or fluctuating network demands. The Catalyst 9300L-48T-4G-E provides flexible expansion options through additional switches, modular uplinks, and stackable architecture. Organizations can incrementally increase port density without disrupting existing operations, allowing for seamless integration of new devices, wireless access points, and servers. The switch’s design ensures that both small and large deployments achieve optimal performance without unnecessary complexity.

Integration with Cisco Ecosystem

The C9300L-48T-4G-E seamlessly integrates into the broader Cisco ecosystem, allowing organizations to leverage complementary technologies and services. Integration with Cisco DNA Center, Cisco Identity Services Engine (ISE), and Cisco SD-Access enhances network visibility, policy enforcement, and security management. This interoperability ensures that enterprises can deploy comprehensive network solutions without compatibility concerns, simplifying both day-to-day operations and strategic network planning.

Compatibility with Wireless Networks

Modern networks are increasingly reliant on wireless connectivity, and the Catalyst 9300L series provides strong support for wireless infrastructure. The switch can serve as a wired backbone for wireless access points, enabling seamless mobility and high-speed wireless connections. With features such as dynamic VLAN assignment and QoS prioritization for wireless traffic, the switch ensures optimal performance for both wired and wireless endpoints, meeting the needs of modern, hybrid network environments.

Use Cases and Applications

The Cisco Catalyst 9300L-48T-4G-E is versatile, supporting a wide range of enterprise network applications. In campus networks, it provides high-speed connectivity for desktops, servers, and wireless access points, while enabling advanced security and policy enforcement. In branch offices, the switch serves as a reliable aggregation point, supporting WAN connections and facilitating cloud integration. Its high port density and stackability also make it ideal for data centers, where reliability and performance are paramount.

Support for Cloud and Digital Transformation

As organizations embrace digital transformation and cloud adoption, the Catalyst 9300L series provides the necessary infrastructure to support these initiatives. With robust support for cloud-managed networking, SD-WAN integration, and secure remote access, enterprises can leverage cloud technologies without compromising security or performance. The switch acts as a foundational component, enabling efficient, scalable, and secure connectivity across distributed network environments.

Enterprise Network Optimization

Optimizing enterprise networks requires a combination of high-performance hardware, intelligent software, and integrated management tools. The Cisco C9300L-48T-4G-E delivers all of these capabilities, allowing IT teams to fine-tune network performance, enforce policies, and maintain high availability. By combining scalability, security, and advanced features, the Catalyst 9300L empowers organizations to build resilient networks that support both current and future demands.

Technical Specifications and Key Features

Port and Interface Details

The Catalyst 9300L-48T-4G-E provides 48 fixed 10/100/1000 Ethernet ports for high-density connectivity. Four integrated 1G SFP uplinks facilitate uplink flexibility and network expansion. These ports support advanced Layer 2 and Layer 3 functions, including VLAN segmentation, routing protocols, and multicast optimization. The combination of high port density and versatile uplinks ensures adaptability to various network architectures.

Power and Redundancy Options

Reliability is enhanced through dual redundant power supply support, enabling uninterrupted operation in case of power failure. The switch also features field-replaceable fan modules and supports PoE+ for powering connected devices such as IP phones and access points. These power and redundancy features provide peace of mind for organizations that rely on continuous network availability.

Software and Protocol Support

The Catalyst 9300L runs Cisco IOS XE, providing robust software capabilities, including support for routing protocols such as OSPF, EIGRP, and BGP. Layer 2 protocols like Spanning Tree Protocol (STP), Rapid STP, and VLAN Trunking Protocol (VTP) are fully supported, ensuring network stability and scalability. Additional software features include Cisco FlexStack-Plus for stacking, MACsec encryption, and extensive QoS and traffic shaping capabilities.