C9400-LC-24XS Cisco Catalyst 9400 Series 24 Ports Expansion Module

Cisco C9400-LC-24XS 24 Ports Catalyst 9400 Expansion Module

The Cisco C9400-LC-24XS is a high-performance 24-port expansion module designed for the Catalyst 9400 Series, delivering scalable and flexible networking solutions. Built for enterprise-grade deployments, this module enhances connectivity, throughput, and overall network efficiency.

General Specifications

• Manufacturer: Cisco
• Part Number: C9400-LC-24XS
• Device Type: Network Switch
• Form Factor: Plug-in Module

Technical Details

• Device Type: Switch with 24 Ports
• Port Configuration: 24 x 1 Gigabit / 10 Gigabit Ethernet
• Performance: 80 Gbps Bandwidth
• Jumbo Frame Support: Up to 9198 Bytes

Advanced Features

• Jumbo Frames support for high-performance data transfer
• Energy Efficient Ethernet for reduced power consumption
• Precision Time Protocol (PTP) for accurate time synchronization
• TrustSec support for enhanced network security

Compliance and Standards

• IEEE 802.1ae for MAC Security (MACsec)
• IEEE 802.1as for timing and synchronization in network environments

Expansion and Connectivity Options

The Cisco C9400-LC-24XS module offers seamless integration into Catalyst 9400 Series switches, providing high-speed uplinks and enhanced network scalability.

Interface Configuration

• 24 x 10GBASE-T SFP+ ports for flexible connectivity
• Support for both fiber and copper SFP+ modules

Network Performance Optimization

• Supports jumbo frames for larger data packets, improving throughput efficiency
• 80 Gbps switching capacity ensures low latency and high-performance data handling
• Energy-efficient design reduces operational costs while maintaining high-speed performance

Security and Management

• TrustSec technology enables advanced access control and data protection
• PTP support allows precise network timing, critical for financial and telecom applications
• Compliant with industry standards to ensure reliable and secure networking

Ideal Use Cases

• Enterprise core and distribution networks requiring high port density
• Data centers needing scalable, high-performance 10G uplinks
• Organizations seeking energy-efficient, secure, and reliable network expansion

Cisco C9400-LC-24XS Expansion Module  

The Cisco C9400-LC-24XS 24 Ports Catalyst 9400 Series Expansion Module is designed to extend the performance and scalability of the Cisco Catalyst 9400 Series modular switches. This expansion module delivers high-density 10 Gigabit Ethernet connectivity, offering robust network performance suitable for modern enterprise infrastructures. It provides seamless integration with existing Catalyst 9400 systems, ensuring a smooth upgrade path without requiring a complete system overhaul. Its architecture supports the latest networking standards, enabling reliable high-speed data transfer and optimized network operations.

High-Density Connectivity and Port 

The C9400-LC-24XS module features 24 high-performance 10G SFP+ ports, allowing network administrators to increase uplink capacity and connect multiple devices with ease. Each port supports advanced networking capabilities including VLAN segmentation, QoS prioritization, and link aggregation. The module’s port density ensures that enterprises can consolidate network resources while maintaining low latency and high throughput for mission-critical applications. Additionally, the module supports hot-swappable port configurations, enabling maintenance and upgrades without disrupting ongoing network operations.

Advanced Network Performance

This Catalyst 9400 expansion module is engineered to deliver enhanced network performance with minimal latency. By leveraging Cisco’s Unified Access Data Plane (UADP) architecture, it provides predictable and consistent throughput for large-scale enterprise deployments. The module’s forwarding capacity ensures that high-volume data traffic is efficiently processed, reducing bottlenecks and improving overall network responsiveness. These performance characteristics make it an ideal solution for data centers, campus networks, and enterprise backbones that demand consistent high-speed connectivity.

Scalable Enterprise Solutions

As part of the Catalyst 9400 Series, the C9400-LC-24XS module offers seamless scalability for growing network environments. Enterprises can expand port capacity incrementally, adding new modules as network demands increase without disrupting existing infrastructure. This modularity provides cost-effective flexibility, allowing organizations to scale network performance while optimizing capital investment. Network administrators benefit from predictable expansion options, which simplify long-term planning and reduce the complexity of network growth management.

Reliability and Redundancy Features

Reliability is a core focus of the Cisco C9400-LC-24XS module, which incorporates hardware redundancy and failover mechanisms to maintain continuous network uptime. The module supports dual supervisor engines and redundant power supplies when deployed in compatible chassis configurations. These features ensure that network operations remain uninterrupted even during hardware maintenance or unexpected component failures. The Catalyst 9400 Series expansion modules are also designed with resilient system monitoring, providing real-time alerts and diagnostics to help administrators quickly identify and resolve potential issues.

Integration with Cisco IOS XE Software

The C9400-LC-24XS module operates on the Cisco IOS XE software platform, which delivers advanced network intelligence, automation, and security features. IOS XE enables centralized management and streamlined configuration through Cisco DNA Center or CLI interfaces. The module supports programmable network functions, enabling policy-driven automation and consistent configuration across all connected ports. Integration with Cisco’s software-defined networking tools enhances network visibility and simplifies operations, helping organizations optimize performance and security at scale.

Enhanced Security and Policy Enforcement

Security is integral to the Catalyst 9400 expansion module’s design. The C9400-LC-24XS supports advanced security protocols, including MACsec encryption, IEEE 802.1X authentication, and role-based access control. These features protect sensitive data as it traverses the network and prevent unauthorized access to critical resources. Additionally, the module supports policy-based traffic segmentation and Quality of Service rules, enabling precise control over network traffic and ensuring priority for critical applications. These capabilities are essential for enterprise environments that require secure, high-performance network connectivity.

Energy Efficiency and Environmental Considerations

Designed with energy efficiency in mind, the C9400-LC-24XS module optimizes power consumption without compromising network performance. Cisco’s innovative cooling architecture ensures that the module operates reliably under heavy workloads while minimizing energy use. This efficiency supports organizational sustainability initiatives by reducing operational costs and environmental impact. The module is compliant with industry standards for energy-efficient networking, making it an ideal choice for data centers and enterprise environments that prioritize both performance and eco-friendly operation.

Use Cases for the Catalyst 9400 Expansion Module

The C9400-LC-24XS module is highly suitable for a variety of enterprise networking scenarios. It can be deployed in core and distribution layers to provide high-speed uplinks and interconnect multiple switches. In campus networks, it enables seamless aggregation of user access switches, supporting high-performance applications such as cloud computing, virtualization, and real-time collaboration. Data centers benefit from its high-density ports, ensuring efficient connectivity for storage networks, server clusters, and virtualized environments. This versatility allows organizations to deploy the module across multiple network segments, enhancing overall network reliability and performance.

Future-Proof Networking with Modular Design

The modular architecture of the Catalyst 9400 Series, complemented by the C9400-LC-24XS expansion module, ensures long-term network flexibility. Organizations can adapt to evolving business requirements and emerging technologies without replacing the entire switching platform. The expansion module allows administrators to gradually upgrade network infrastructure, maximizing return on investment while maintaining compatibility with existing hardware. This future-proof design ensures that enterprises can continue to meet growing data demands while maintaining a stable and secure network foundation.