Cisco Catalyst 9400-LC-24XS: High-Performance 24-Port 10G Switch Module

Jun 19 , 2025 421

TL;DR: The Cisco Catalyst 9400-LC-24XS is a 24-port 10G Ethernet line card designed for the Cisco Catalyst 9400 Series modular switches. It delivers high-density, low-latency connectivity for enterprise and data center networks, supporting high-bandwidth applications with advanced QoS, security, and programmability.

Cisco Catalyst 9400-LC-24XS: High-Performance 24-Port 10G Switch Module

Product Overview

The Cisco Catalyst 9400-LC-24XS is a 24-port 10G Ethernet line card designed for the Cisco Catalyst 9400 Series modular switches. It delivers high-density, low-latency connectivity for enterprise and data center networks, supporting high-bandwidth applications with advanced QoS, security, and programmability.

Key Features & Specifications

✔ 24 x 10GBASE-X SFP+ ports (hot-swappable optics)
✔ 240Gbps switching capacity (non-blocking)
✔ Support for Cisco StackWise Virtual (for high availability)
✔ MACsec encryption (256-bit AES) for secure traffic
✔ Cisco UADP 2.0 ASIC for programmable forwarding
✔ Sub-5µs latency for latency-sensitive applications
✔ Energy-efficient design (adaptive power management)

Deployment Scenarios

• Data center top-of-rack (ToR) aggregation

• Enterprise core/distribution layer

• High-performance storage networks

• SD-Access and SD-WAN edge deployments

Next-Generation Evolution: Catalyst 9400-LC-48X25G (Projected 2025)

Major Enhancements

48 x 25G SFP28 ports (1.2Tbps switching capacity)
Backward compatibility with 10G/1G optics
Cisco Silicon One ASIC for AI-driven traffic optimization
MACsec with post-quantum cryptography readiness
Sub-2µs latency for ultra-low-latency applications
50% lower power per port (improved energy efficiency)

Why Upgrade?

5x bandwidth increase for future-proof scalability
AI-powered network analytics for predictive maintenance
Seamless integration with Cisco DNA Center
Ideal for AI/ML workloads, 5G backhaul, and cloud-scale applications

Conclusion

The Catalyst 9400-LC-24XS is a reliable, high-performance 10G module, while the Catalyst 9400-LC-48X25G represents the next leap in speed, intelligence, and efficiency. With higher density, lower latency, and AI-driven automation, the next-gen module is built for next-generation enterprise and cloud networks.

FAQ

Q: What is data center top-of-rack (ToR) aggregation?

A: Enterprise core/distribution layer High-performance storage networks SD-Access and SD-WAN edge deployments

Q: What is enterprise core/distribution layer?

A: High-performance storage networks SD-Access and SD-WAN edge deployments 48 x 25G SFP28 ports (1.

Q: What is high-performance storage networks?

A: SD-Access and SD-WAN edge deployments 48 x 25G SFP28 ports (1.

Q: What are the SD-Access and SD-WAN edge deployments?

A: 48 x 25G SFP28 ports (1.2Tbps switching capacity)Backward compatibility with 10G/1G opticsCisco Silicon One ASIC for AI-driven traffic optimizationMACsec with post-quantum cryptography readinessSub-2µs latency for ultra-low-latency applications50% lower powe...