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Cisco Nexus N9K-SUP-B: High-Performance Supervisor Engine for Nexus 9000 Series
Jun 19 , 2025 59

Cisco Nexus N9K-SUP-B: High-Performance Supervisor Engine for Nexus 9000 Series


N9K-SUP-B


Product Overview
The Cisco Nexus N9K-SUP-B is a supervisor engine designed for the Nexus 9000 Series switches, providing advanced control plane functionality and system management. This supervisor module delivers enterprise-class performance for data center networks with enhanced programmability and automation capabilities.

Key Specifications:

  • Performance: 1.2Tbps system capacity

  • CPU: Quad-core 2.2GHz processor

  • Memory: 32GB DDR4

  • Storage: 64GB internal flash

  • Management Ports:

    • 2x 1G/10G SFP+ ports

    • 1x 1G RJ45 console port

  • Redundancy: 1:1 supervisor redundancy support

Advanced Features:
✔ Cisco NX-OS software with programmable APIs
✔ Full support for VXLAN/EVPN
✔ Advanced security with TrustSec and MACsec
✔ Streaming telemetry and analytics
✔ Seamless software upgrades (ISSU)

Next-Generation Evolution: Nexus N9K-SUP-C (Current Generation)

Major Enhancements:

  • Performance: 2.4Tbps system capacity (2x improvement)

  • CPU: 8-core 3.0GHz processor

  • Memory: 64GB DDR4 (expandable to 128GB)

  • Storage: 128GB NVMe flash

  • Management Ports:

    • 4x 10G/25G SFP28 ports

    • 1x 2.5G RJ45 console port

  • New Capabilities:

    • AI/ML-enabled network analytics

    • Enhanced automation with model-driven programmability

    • Cloud-scale telemetry

    • Improved cryptographic performance

Why Upgrade?

  • Double the performance for modern workloads

  • Future-proof architecture for AI/ML applications

  • Improved operational efficiency

  • Better visibility and troubleshooting

  • Enhanced security capabilities

Conclusion:
The Nexus N9K-SUP-B established the foundation for enterprise-class data center switching, while the N9K-SUP-C delivers next-generation performance with enhanced automation, visibility, and security capabilities. The newer supervisor maintains backward compatibility while offering significant improvements for digital transformation initiatives.

Tags: linecard cisco N9K-SUP-B

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