Network scalability that just keeps going.

Network architectures have shifted, and it is more critical than ever for cloud operators, service providers and enterprises to prepare their networks for the unexpected. The tenfold number of applications and services data center servers are facing fuel the ever-increasing demand for improved performance and scalable technology.

Juniper's 400G routing and switching portfolio offers the industry’s most comprehensive and high-performing platforms architected to improve customer experiences. Choose from the broadest 400G portfolio including PTX Series Packet Transport Routers, MX Series Universal Routing Platforms, ACX Series Universal Metro Routers and QFX Series Switches. These solutions increase efficiencies throughout your infrastructure while keeping your network secure, customizable, low-cost, and evolving it for the experience-first era.


How Juniper can help

Juniper offers a complete portfolio of 400G modular and fixed-chassis switches and routers. They’ve been optimized for scale-up and scale-out use cases across WANs and data center networks.


Performance at scale

Juniper custom silicon offers telemetry at hyperscale to help you scale higher and converge faster. Featuring 400G inline MACsec, filtering flexibility, and link utilization, our 400G solutions provide a solid and reliable foundation for architecting a reliable network.


Built to last

Juniper 400G solutions were designed to scale with your network. Built on generations of silicon advancements, we believe in quality, reliable products capable of growing with your needs.


Agility for the unknown

Reach new heights of consumption simplicity with flexible licensing options to pay only for the bandwidth and features you need. 400G upgrade cycles have never been so smooth.

Value based

Choose from new price performance options on merchant silicon in our 400G switches and routers to reach new benchmarks of performance and functionality.

Pluggable transceiver technology

Experience high-density, high-capacity access and aggregation routers supporting 400G cloud-scale port rates with ZR/ZR+ pluggable transceiver technology.

Related Solutions
Cloud Routing

At the heart of cloud networking lies cloud routing, a key building block for reliable, secure, and scalable cloud-era infrastructure buildouts.




Segment Routing

A source-routing based solution that provides greater control, agility and application awareness to simplify traffic engineering and management across network domains.

Data Center Networks

Simplify operations and assure experiences with the modern, automated data center.  Juniper helps you automate the entire network lifecycle to simplify design, deployment, and operations and provide continuous validation.


What is 400G?
Find out what 400G is all about.