Cisco Nexus 400G-The Next Frontier for Cloud Networking

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Cisco Nexus High-Capacity 400G Data Center Networking:

  • Built for the most demanding environments
  • Built for customer choice and flexibility
  • Built to last, for maximum investment protection
The New Cisco Nexus 400G family includes four models:

Cisco Nexus 9316D-GX  

  • 1RU, 16p 400G QSFP-DD
  • 6.4 Tbps bandwidth
  • Up to 64p 100G in a compact 1RU form factor

Cisco Nexus 93600CD-GX

  • 1RU 28p 100G QSFP-28 with 8p 400G QSFP-DD
  • 6.0 Tbps bandwidth
  • High performance for AI/ML workloads
Key differentiators:
  • Industry-leader in route scale
  • Full data and system telemetry capabilities
  • Only 400G silicon with SRv6 forwarding at line rate

ACI leaf and spine capability in same switch

Cisco Nexus 3432D-S

  • 1RU, 32p 400G with QSFP-DD
  • 12.8 Tbps bandwidth
  • High-density spine

Cisco Nexus 3408-S

  • 4RU semimodular switch
  • 12.8Tbps bandwidth
  • Expansion modules of 8-slots for 100G or 400G LEMs
  • 8 slots for different up- and down-link configurations
  • 400G QSFP-DD
  • 100G QSFP-28
Key differentiators:
  • Industry’s lowest latency 450ns at 400G
  • Lowest power at high switch radix
  • Optimized for Leaf and Spine architectures

Backward compatible with 100GE QSFP-28 and 40GE QSFP+1x 400 GbE/100 GbE/40 GbE Breakout 4x 100 GbE/25 GbE/10 GbE or 8x 50GbE;2x 200 GbE or 4x 50GbE

Cisco Nexus 400G use cases 400G: Terabit-scale Switching

Bandwidth continues to explode. Cisco Visual Networking Index (VNI) research data indicates the dawning of a 400G era for mass-scale networking in service providers and data centers.

Webscale customer use case

  • Enable transition from 50G to 100G servers with proportionally scaled-out fabrics
  • Higher radix switches for optimized power consumption

Cisco ACI™ enterprise deployments

  • High-performance I/O and 400G fabric for AI/ML compute clusters
  • Sophisticated dynamic fabric load-balancing, smart buffers, and flow-level visibility
  • 400G in different fabric tiers

Service provider deployments

  • 100G/400G fabrics for spaceconstrained environments in service-provider edge locations
  • Ready for NFV/5G adoption cycle
400G optics: QSFP-DD
PID Distance, media (connector)
QDD-400-CUxM* 3m passive copper cable*
QDD-400G-AOCxxM* 30m active optical cable*
QDD-400G-SR4-BD 100m MMF ribbon (MPO-12)
QDD-400G-DR4-S* 500m SMF ribbon (MPO-12)*
QDD-400G-FR4-S* 2km duplex SMF (LC)*
QDD-400G-LR8-S 10km duplex SMF (LC)
QDD-400G-ZR-S 120km duplex SMF (LC)
QDD-2X100-SR4-S 100m MMF ribbon (MPO-24)
QDD-2X100-PSM4-S 500m SMF ribbon (MPO-24)
QDD-2X100-CWDM4-S 2km dual duplex SMF (CS)
QDD-2X100-LR4-S 10km dual duplex SMF (CS)

* Available at FCS

Learn more: Cisco Nexus 400G Switches: Not just more bandwidth. More features.

Info from https://www.cisco.com/c/dam/en/us/solutions/collateral/data-center/high-capacity-400g-data-center-networking/brochure-c02-741700.pdf

More Data Sheets of New Nexus 400G Switches:

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