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This article introduces a highly available data center access topology built around Cisco Catalyst C9300-24P-E switches. It demonstrates dual-homing to Cisco Nexus 9504 core switches, redundant connectivity to access devices, Cisco UCS S108 servers, and NetApp A700 storage.

Architecture Highlights
- Dual Cisco Nexus 9504 core switches provide redundancy.
- Two Cisco C9300-24P-E switches operate as resilient aggregation/access switches.
- Redundant 10GbE and 40GbE uplinks improve availability.
- Cisco UCS S108 servers use dual-path connectivity.
- NetApp A700 storage connects through redundant controllers.
Component | Role |
Cisco Nexus 9504 | Core switching |
Cisco C9300-24P-E x2 | Access/Aggregation |
Cisco UCS S108 | Compute platform |
NetApp A700 | Enterprise storage |
10GbE / 40GbE | Redundant network links |
• High availability through dual-switch design.
• Scalable architecture for enterprise and campus data centers.
• Simplified maintenance with redundant paths.
• Optimized east-west traffic forwarding and storage connectivity.
• Suitable for virtualization, private cloud, and enterprise applications.