Massive Scale. Extreme Speed. Carrier-Grade Reliability — Juniper ACX5400
Product Description
The Juniper ACX5400 is a next-generation aggregation router engineered to meet the demands of high-speed metro, cloud, and service provider networks. With support for 25GbE through 400GbE interfaces, it delivers exceptional scalability and performance for bandwidth-intensive applications and future-ready network architectures.
Model Type: High-Performance Aggregation Router
Category: Metro, Data Center Interconnect & Service Provider Aggregation
Series: Juniper ACX Series
Key Features
Ultra-High-Speed Interfaces – Supports 25GbE, 40GbE, 100GbE, and 400GbE ports for massive aggregation and backbone connectivity.
Next-Generation Aggregation – Built for metro Ethernet, cloud, and data center interconnect (DCI) environments.
Compact & Power-Efficient Design – High-capacity performance in a space-efficient chassis optimized for modern networks.
Advanced IP/MPLS Capabilities – Full support for IP, MPLS, EVPN, VXLAN, Segment Routing, and Layer 2 & Layer 3 services.
Carrier-Grade Reliability – Designed with redundant power supplies, non-stop routing, and high availability architecture.
Junos OS Powered – Unified management with Junos OS, offering CLI, automation, telemetry, and enhanced security.
Cloud & 5G Ready – Optimized for 5G transport, metro aggregation, and cloud-scale networking.
Technical Specs at a Glance
| Specification | Details |
|---|---|
| Form Factor | Compact, Rack-mountable |
| Interfaces | 25GbE / 40GbE / 100GbE / 400GbE |
| Switching Capacity | Multi-terabit throughput |
| Routing | Advanced Layer 2 & Layer 3 |
| MPLS | Full MPLS & Segment Routing |
| OS | Junos OS |
| High Availability | Redundant PSUs, ISSU, Non-Stop Routing |
| Automation | NETCONF, REST APIs, Telemetry |
| Use Case | Metro, DCI, SP aggregation |
| Operating Environment | Telco & data center grade |
Typical Use Cases
Metro Ethernet aggregation
Data center interconnect (DCI)
Service provider edge & aggregation
Cloud networking infrastructure
5G transport & mobile backhaul
High-density enterprise core networks








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