A display showing Cisco Nexus Dashboard on a monitor screen, the Nexus 9504 chassis switch, and a stack with the Nexus 9332-GX2B switch and the Nexus 3550-T switch.

Cisco Data Center Networking

Achieve simple, secure, AI-ready, and modern networks

Stay in control with industry-leading network management, automation, real-time visibility, segmentation, sustainability, and simplified operations.

Comprehensive connections


Data center transformation illustration

Unlock the full potential of your data center—now.

Keep your data, workloads, and applications connected and secure for exceptional efficiency across your global data-center networks. 

Unify experiences across all data-center networks

Choose the best operational experience for the job, every time, with secure on-premises and cloud-managed data center networking. Configure with ease, operate with confidence, and analyze for predictability with one fabric experience.

Review, react, relax

Make it easier than ever to assess the situation, deliver a solution, and get to what's next with increased visibility, intelligent automation, and rapid troubleshooting.

Work sustainably

Embrace smart-energy data-center networking with visibility into actual usage of power and your carbon footprint, and enjoy the benefits of being at the forefront of the net-zero journey. 

AI blueprint for networking

Boost cost efficiencies and performance with design best-practices and automation templates for AI data-center networking. 

Data center switches

Data center switches designed for hybrid harmony

Cisco N3000 Series Switches

Purpose-built low-latency switches to support business-critical applications and performance

Cisco N9200 Series Switches

Compact 100M/1G Base-T switch running Cisco NX-OS

Cisco N9300 Series Switches

Whether spine-and-leaf or top-of-rack is your style, these fixed switches support ports from 1G to 800G to 1.6T. They enable modern and AI-ready infrastructure for data-centers of any size

Cisco 6000 Series Switches

Cloud-managed switches that are easy to deploy and manage for Cisco Nexus Hyperfabric.

Cisco N9400 Series switches

These switches pack high performance and density plus improved telemetry into a compact, modular design. 

Cisco N9500 Series Switches

Enterprise or high growth? Modular configurations can support you with ports from 1G to 400G. 

Cisco N9800 Series switches

Get high-density switching that's designed for 800G adoption and beyond. 

Cisco N9000 400G and 800G family

Bandwidth like you’ve never known. Adopt 400G with scalability to 800G with confidence in a family of 1-, 2-, and 4-RU switches. 

CIsco Optics

Fiber-optic transceiver modules to accelerate your network connections.

Cisco N3500 Series portfolio

Design efficient, low-latency networks with programmable platforms, switches, and smart adapters.

Cisco N3550-T Series

FPGA-based programmable network platform for critical, ultra-low latency network applications.

Cisco Nexus SmartNICs

FPGA-based network interface cards (NICs). Ideal for ultra-low latency, high-resolution timestamping.

Cisco N3500 Series Switches

Low-latency, 1RU switches supporting 1G to 40G. Ideal for high-frequency trading (HFT) and big-data environments. 

Cisco MDS 9700 Series

A SAN director with scale, performance, integrated analytics, and superior port density.

Cisco MDS 9300 Series

Next-generation high-density fabric switches with integrated analytics and telemetry.

Cisco MDS 9200 Series

High-performance SAN extension, disaster recovery, intelligent fabrics, and multiprotocol connectivity.

Cisco MDS 9100 Series

Flexible and agile, highly available and secure, and easy to use, with visibility to every flow.

Cisco SAN Analytics

Visibility and data-driven guidance, for faster troubleshooting and optimized infrastructure.

Cisco Nexus One

One architecture across silicon, systems, and software to scale AI factories and modernize enterprise workloads on a unified operating model—without fragmenting operations.

Cisco Application Centric Infrastructure (ACI)

Simplifies data center network management, boosts security with centralized application-centric approach with automation and policy-based control driving agile IT.

Cisco NX-OS

Make your network agile, easily scalable, and secure with simplified network operations and integrated automation.

Cisco Nexus Dashboard

Configure, operate, and analyze, all from one place. Private cloud-managed across your data-center networks.

Cisco Nexus Hyperfabric

New plug-and-play, cloud-managed operations and validation of the full lifecycle of data-center networks.

Cisco N9300 Series Smart Switches

Cisco data-center smart switches with Cisco Hypershield fuses networking with security.

Cisco Live Protect

Mitigate common vulnerability and exposure (CVE) threats in real time and help ensure uninterrupted data-center security and operational stability with Cisco Live Protect. 

nexus-one-spotlight-graphic

Advancing Cisco Nexus One with Intelligence

Cisco Nexus One delivers a unified operating model with advanced intelligence, observability, security, breakthrough silicon, and systems for seamless and secure data-center and AI-workload deployment. 


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Cisco named a Leader in Gartner® 2025 Magic Quadrant™ for Data Center Switching

See why we believe our industry-leading performance, simplicity, and scalability helped us earn this recognition.

We've got your back

Cisco Services

With you at every step

Guide your data-center networking transformation journey with embedded services and expertise.

Cisco Hybrid Cloud

An exceptional consumption model

Ensure your energy expenditure remains balanced with flexible consumption for your hybrid cloud infrastructure.

Cisco Ecosystem

Joint solutions for increased productivity

Discover the extensible open APIs for today's modern data-center applications.

Employee sitting at her desk and working on two large monitors

The AI blueprint: network security, zero-trust, and the SOC

Security solutions that protect against identity threats, enable AI adoption, reshape firewalls, and evolve analytics.

Discover the business benefits of a more sustainable network

Go beyond compliance and learn how a more energy-efficient data center can also help you optimize operations, gain visibility, and reduce costs.