Juniper QFX5120 Switches

The Juniper QFX5130 series offers compact, high-density 400GbE fixed switches in a 1U form factor. Built on Broadcom Trident 4, it supports 10/25/40/100/400GbE interfaces—ideal for spine-and-leaf architectures in enterprise, service provider, and cloud networks. The QFX5130 enables scalable performance for next-gen data centers, especially where cloud workloads are growing rapidly.

SKU: juniper QFX5120 Switches Category:

The Juniper QFX5120 line offers 1/10/25/40/100GbE Ethernet switches designed for modern data center, interconnect, and campus core/distribution deployments. With a rich feature set for EVPN-VXLAN-based architectures and high-speed connectivity, QFX5120 switches deliver scalable performance with low latency and advanced security, including AES-256 MACsec encryption on select models.

Manage QFX5120 deployments using Juniper Apstra for full network lifecycle automation and assurance, or Juniper Mist Cloud for enhanced campus fabric visibility and control.

Key Features

Use Case: Data Center Fabric Leaf/Spine, Campus Core/Distribution, MACsec-enabled applications

Port Density:

  • QFX5120-48T: 48 x 1/10GbE RJ-45 and 6 x 40/100GbE QSFP+/QSFP28
  • QFX5120-48Y: 48 x 1/10/25GbE SFP/SFP+ and 8 x 40/100GbE QSFP+/QSFP28
  • QFX5120-48YM: 48 x 1/10/25GbE SFP/SFP+ and 8 x 40/100GbE QSFP+/QSFP28
  • QFX5120-32C: 32 x 40/100GbE QSFP+/QSFP28 and 2 x 10GbE SFP+

Throughput: Up to 2.16/4/6.4 Tbps (bidirectional)

MACsec: AES-256 encryption on all ports (QFX5120-48YM)

Features & Benefits

High Throughput

Delivers up to 6.4 Tbps bidirectional Layer 2/Layer 3 performance with ultra-low latency as low as 550 nanoseconds.

Junos OS Capabilities

Supports advanced features like EVPN, BGP Add Path, MPLS, L3 VPNs, and IPv6 Provider Edge (6PE) for flexible and scalable networking.

Deployment Options

Offers EVPN-VXLAN Layer 2 and Layer 3 gateway support, ideal for edge-routed and centrally routed data center overlay designs.

Fabric Management

Enables day 0 to day 2 lifecycle management with Juniper Apstra’s intent-based operations and closed-loop assurance.

Network Automation

Compatible with automation tools like Python, Puppet, Ansible, and supports Zero Touch Provisioning (ZTP) for simplified deployment.