Core switch models include Cisco Catalyst and Nexus series, Huawei CloudEngine S12700E, and Ruijie RG-S6120 series, covering modular, fixed, and high-density configurations.

Cisco Core Switch Models

• Catalyst Series
  • Catalyst 9400 Series: Modular access switches with up to 9.6 Tbps throughput, UPOE+ support, and high availability for enterprise networks .
  • Catalyst 9500 Series: Fixed core and distribution switches designed for resiliency and high-performance Layer 3 switching .
  • Catalyst 9600 Series: High-security, scalable modular switches for campus core deployments .
  • Catalyst 4500 Series: Layer 2-4 switching with virtualization and automation support .
  • Catalyst 6500 Series: High-capacity chassis switches with up to 4 Tbps system bandwidth .
• Nexus Series
  • Nexus 7000 Series: Modular data center switches with 10/40/100GbE scalability, NX-OS features, and high resiliency .
  • Nexus 2000 Series: Fabric extenders paired with Nexus 7000 for expanded server connectivity .

Huawei Core Switch Models

• CloudEngine S12700E Series
  • Modular switches with high port density, supporting up to 288 x 100GE ports across S12700E-4, S12700E-8, and S12700E-12 models .
  • Designed for large-scale enterprise and data center core deployments with advanced management and energy efficiency features .

Ruijie Core Switch Models

• RG-S6120 Series
  • High-performance switches with flexible port configurations, including 20 x 10GE SFP+, 4 x 25GE SFP28, and 2 x 40GE QSFP+ ports .
  • Suitable for multi-segment enterprise networks requiring high-speed connectivity and modular expansion .

Key Features Across Core Switch Models

• Port Density: 24–48 ports in standard 1U/2U configurations, expandable in modular chassis .
• Interface Types: 1GbE, 10GbE, 25GbE, 40GbE, 100GbE, 400GbE .
• Switching Capacity: Modern core switches typically support 1 Tbps or higher .
• Advanced Capabilities: Layer 3 routing, MPLS support, SDN integration, intent-based networking, and AI-driven analytics .
• Deployment Flexibility: Modular designs allow scaling with network growth, while fixed configurations provide cost-effective solutions for smaller cores . These models represent the current leading options for enterprise and data center core networks, offering a balance of high throughput, scalability, and advanced network management features. For detailed specifications and vendor comparisons, consulting official datasheets or supplier platforms is recommended .