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Cisco Network Convergence System (NCS) 5700 Series

High performance routers for service provider, cloud and WAN

NCS 5700 line cards and routers bring scalability and flexibility to provider networks. Integrated Segment Routing supports performance-based service offerings and high-density 400G ports provide long-term network growth.

Features and benefits

Ready for the future

Scale with demand with flexible port configurations from 10G to 400G and available 3.6, 4.8, 7.2 or 9.6 Tbps per slot line cards.

Service agility

Converge all services onto a single infrastructure and use Segment Routing for end-to-end granular traffic control that delivers the best client experience.

Investment protection

With backward compatibility, a flexible pay-as-you-grow model, and IOS XR throughout the network, this platform offers long-term growth that scales with demand and protects investment.


Power efficiency and scalability with a carrier-grade network operating system to rightsize the network footprint and lower your carbon impact.

NCS 5700 Series models

Fixed units and flexible line card configurations with high density 400G interface ports to allow service providers to build mass-scale networks.

Line cards


  • 7.2 Tb total capacity
  • 30 x 200/100 GE ports or 18 x 400 GE ports (QSFP-DD)
  • Class B timing support on all ports


  • 9.6 Tb total capacity
  • 24 x 400 GE ports (QSFP-DD)
  • Class B timing support on all ports


  • Up to 3.6 Tb total capacity
  • 36 x 100 GE ports
  • Class B timing support on all ports


  • Up to 4.8 Tb total capacity
  • 24 x 100GE and 6 x 400GE ports or 24 x 100GE and 12 x 200/100GE ports
  • Class C timing support on all ports



  • 2.4 Tb total capacity
  • 48 x 1/10/25GbE ports (SFP28) and 8 (or 4) 100GbE ports (QSFP28), 3 x MPA
  • 1G optics support
  • Class B & C timing support
  • MACsec support

NCS 57B1-6D24-SYS /

  • 4.8 Tb total capacity
  • 24 x 100 GbE ports and 6 x 400 GbE ports (QSFP-DD)
  • ZR/ZR+ optics support
  • Class B & C timing support
  • MACsec support

Modernized IOS XR network operating system

The NCS 5700 Series utilizes the IOS XR operating system platform to simplify operations for users and help reduce complexity.

  • Customize XR’s deployment to the features you need without forcing a one-size-fits-all approach
  • Ease the delivery and deployment thanks to new, powerful install procedures
  • Facilitate integration to orchestration and management tools with integrated Open APIs

Transform the network with optics

Innovations in photonics CMOS processes, PAM4, and coherent pluggables to reduce operational complexity and costs.

Flexible deployment and services

Cisco Smart Licensing

A flexible and secure licensing model that provides an easier and more consistent way to purchase and manage software.

Cisco Capital

Access the Cisco technology you need right now with innovative, flexible payment options.


Solve problems faster, improve operational efficiency, and reduce your risk of downtime with Cisco CX services.

Invest in green initiatives

Network and the environment

Transform your network and join Cisco on the journey to a sustainable and inclusive future.

Cisco Refresh

Get certified Cisco remanufactured equipment at significant savings. Warrantied same as new.

Cisco Takeback and Reuse

Ready to return your end-of-use Cisco hardware? We’re ready to pick it up. Safe, secure, sustainable.