Juniper PTX Series Routers

Meet the performance, reliability, and low-latency demands of AI workloads, today and in the future. Experience secure, high-performance, ultra high-density routing that can scale across, scale out, and scale up as your needs evolve.

Juniper PTX series family.
PTX routers datacenter technician.

A new benchmark for routing in the AI era

Juniper PTX12000 Routers deliver leading density and throughput at scale in a single 1.6T-ready platform to meet the growing demands of AI workloads.

Secure, high-performance routing at scale

Benefit from exceptional throughput efficiency and ultra-high port density that can scale to meet future service demands. And strengthen protection against internal and external threats with robust, embedded security.

Sustainable by design

Meet your ESG goals and lower TCO with multilayer sustainability efficiencies across silicon, systems, and operations, offering increased space and power efficiency.

Simplified operations with AI-native automation

Design and deliver the right connectivity the first time—and every time—with advanced, intent-based automation. Increase efficiency, fix issues faster, and continuously verify user experience, moving you closer to a self-driving network.

Our customers

Scaling for the AI era

AI is pushing networks to scale faster than ever. 800GE Juniper PTX Routers are redefining what's possible, and the PTX12000 line raises the bar again with leading throughput and ultra‑dense, 1.6T‑ready platforms. The portfolio now also includes new ultra‑compact 2U fixed routers, giving operators more high‑performance options in smaller footprints.

Scale across to interconnect data centers

Juniper PTX 800GE routers anchor HPE's Networking for AI portfolio. Designed to help you scale up, scale out, and scale across with ZR/ZR+ optics on every port-so you can meet the growing demands of AI workloads.

Start your 800G DCI transformation

Deliver the scale, performance, and security needed for the AI era. See how to accelerate your data center interconnect with high-performance 800G routing.

Explore the Juniper PTX Series Routers

Two people walking in a glass walkway.

Take the next steps

Ready to get started? Explore purchasing options or engage with HPE experts to determine the best solution for your business needs.

Featured products

Mist AI

Powering a suite of cloud-native AIOps applications, Mist AI delivers a network that can learn, adapt, and resolve issues in real time.

Juniper QFX Series Switches

Explore a comprehensive portfolio of AI-native switches offering simplified operations, enhanced visibility, and faster troubleshooting.

Apstra® Data Center Director

Get comprehensive data center fabric management and full lifecycle automation to design, deploy, and operate data center networks with confidence.

FAQs

What are the key features of Juniper PTX Series Routers?

PTX Routers are powered by HPE Juniper Networking's latest generation of custom Express family ASICs, and cloud-optimized for smooth 400G and 800G migrations. Offering native 400G and 800G inline MACsec, deep buffering, flexible filtering, and a reliable network operating system, they are versatile, high-performance, and sustainable platforms built for longevity in demanding environments.

Why choose Juniper PTX Series Routers for core network routing?

PTX Routers deliver secure, high-performance routing, with exceptional throughput efficiency and ultra-high port density that scales for future services.

With robust embedded protection and multilayer sustainability efficiencies across silicon, systems, and operations, they enable strengthened protection against internal and external threats and increased space and power efficiency.

What are the common deployment scenarios for Juniper PTX Series Routers?

PTX Routers support a broad spectrum of WAN and data center use-cases and deployment scenarios, including core, peering, data center interconnect, data center edge, metro aggregation, and AI data center networking.

How do Juniper PTX Series Routers enable high-performance networking?

Key features enabling high-performance include:

  • Custom Express ASICs for high performance.
  • High throughput: up to 43.2 Tbps per line card with the PTX12000 line of routers and 28.8 Tbps per line card with the PTX10000 line of routers.
  • Modular design for scalability and adaptability to various WAN and data center use cases.
  • Deep buffering to reduce packet loss.
  • Flexible traffic filtering based on specific criteria.
  • A reliable OS for consistent, high-quality service.
What are the security features and protocols for Juniper PTX Series Routers?

PTX Routers provide advanced protection:

  • Line rate 256 AES MACsec encryption on all ports.
  • Integrated security for DDoS mitigation and hardware integrity.
  • Over 8 million counters for accurate traffic management and monitoring.
  • Dynamic table memory allocation for massive IP routing scale.
  • Integrated 3D memory architecture offering the highest packet performance per gigabit in the fewest rack units.
  • Wire-rate packet performance for IP traffic with power efficiency.