TLDR – In a significant move to bolster AI-driven data center infrastructure, Cisco Systems, Inc. announced the launch of the Cisco N9100 Series Switches, a new line of high-performance networking hardware co-developed with NVIDIA Corporation. Unveiled at the NVIDIA GTC Washington, D.C. event, the N9100 series is engineered to address the demanding bandwidth and low-latency requirements of modern AI and machine learning workloads, marking a new phase in the strategic partnership between the two technology giants [1].
A New Era of AI-Optimized Networking
The Cisco N9100 series is built on NVIDIA Spectrum-X Ethernet switch silicon, delivering a staggering 51.2 Tbps of total bandwidth through a 2RU chassis with 64 800G OSFP ports [2]. This powerful hardware is designed to create lossless Ethernet fabrics, which are critical for preventing packet loss and ensuring predictable performance in large-scale AI training clusters. The switch supports ultra-low latency with cut-through forwarding and Remote Direct Memory Access over Converged Ethernet (RoCE), enabling direct memory access between servers and storage without involving the CPU, thus minimizing latency and maximizing efficiency [3].
This launch represents a significant acceleration in Cisco’s AI strategy, with the N9100 being developed in under a year. Mike Trojecki, Senior Director of the AI Practice at World Wide Technology (WWT), Cisco’s largest integration partner, commented on the rapid development, stating, “It’s the fastest I’ve ever seen Cisco move, and I’ve been working with Cisco for 20-plus years… it’s a whole different Cisco right now” [1].
Flexibility and Ecosystem Integration
A key feature of the N9100 series is its flexibility in operating systems. Customers can choose between Cisco’s robust NX-OS for enterprise-grade reliability and features, or SONiC (Software for Open Networking in the Cloud) for an open-source, standards-based approach. Both operating systems are managed under the unified Cisco Nexus Dashboard, which provides centralized automation, monitoring, and operations for the entire network fabric [4].
This dual-OS approach allows organizations to tailor their infrastructure to their specific needs, whether they require the battle-tested stability of NX-OS or the open, customizable nature of SONiC. The integration with Nexus Dashboard ensures that, regardless of the OS choice, the network remains simple to manage and scale.
Key Technical Specifications
| Specification | Details |
|---|---|
| Form Factor | 2RU Chassis |
| Port Configuration | 64 x 800G OSFP |
| Total Bandwidth | 51.2 Tbps |
| Silicon | NVIDIA Spectrum-X Ethernet |
| Operating Systems | Cisco NX-OS or SONiC |
| Management | Cisco Nexus Dashboard |
| Key Features | Ultra-low latency, lossless Ethernet, RoCE support |
The Power of Partnership: Cisco, NVIDIA, and WWT
The N9100 is not just a Cisco product; it is the result of a deep, co-engineering partnership with NVIDIA and is validated by World Wide Technology. This collaboration brings together Cisco’s networking expertise, NVIDIA’s leadership in AI and accelerated computing, and WWT’s extensive experience in integrating and deploying complex enterprise solutions.
As part of the NVIDIA Cloud Partner (NCP) program, the N9100 is a key component of a compliant reference architecture for neocloud and sovereign cloud deployments. This allows customers to build GPU-as-a-service models with the assurance of a fully supported, end-to-end solution from Cisco [1].
Will Eatherton, Senior Vice President of Data Center, Internet and Cloud Infrastructure Engineering at Cisco, highlighted the importance of this ecosystem approach:
“As part of our engagement with Nvidia, this system, along with our unified computing system, is part of their Cloud Partner program. And that is something, especially for neocloud, that some enterprises are interested in. It’s really very neocloud-focused with that GPU as a service model. And with this, they can get going but have Cisco providing the overall solution and then supporting them end to end.” [1]
WWT plays a crucial role in this ecosystem by providing validation and integration services through its AI Validation Lab and AI Proving Ground. This ensures that the combined Cisco and NVIDIA technologies are production-ready and optimized for specific customer use cases, from AI training and inference to robotics and digital twins.
Market Impact and Future Outlook
The launch of the N9100 series positions Cisco as a key player in the rapidly growing market for high-performance AI networking. By leveraging NVIDIA’s Spectrum-X silicon and offering a flexible, open, and manageable platform, Cisco is directly addressing the most significant bottlenecks in AI data center infrastructure. The market responded positively to the announcement, with Cisco (CSCO) and NVIDIA (NVDA) shares seeing gains of 1.56% and 2.54%, respectively [5].
This move is part of a broader expansion of Cisco’s Nexus portfolio, which also includes switches based on Cisco’s own Silicon One ASICs. By offering a diverse range of silicon options, Cisco is providing customers with the flexibility to build AI networks that meet their unique performance, scalability, and cost requirements.
The N9100 series is more than just a new piece of hardware; it represents a new, more agile and collaborative approach from Cisco. As AI continues to reshape the data center, the ability to rapidly innovate and partner effectively will be critical for success. With the N9100, Cisco has demonstrated that it is ready to meet this challenge head-on.
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