QFX5120 Line of Ethernet Switches

The QFX5120 series delivers powerful 1/10/25/40/100GbE switching options for data center, data center edge, interconnect, and campus deployments. With models supporting 1/10GbE copper, the QFX5120 provides versatile connectivity and is loaded with advanced software features that support modern IP fabric architectures, including EVPN-VXLAN.

Manage data center deployments with the Juniper Apstra system, which automates the full network lifecycle for simplified design, deployment, and operations with closed-loop assurance. Campus fabrics can be deployed and managed through the Juniper Mist Cloud, offering streamlined operations and enhanced visibility.

Key Features

Use Case:
Data Center Fabric Leaf/Spine, Campus Distribution/Core, and deployments requiring MACsec

Port Density:

• QFX5120-48T: 48 × 1/10GbE RJ-45 and 6 × 40/100GbE QSFP+/QSFP28

• QFX5120-48Y: 48 × 1/10/25GbE SFP/SFP+ and 8 × 40/100GbE QSFP+/QSFP28

• QFX5120-48YM: 48 × 1/10/25GbE SFP/SFP+ and 8 × 40/100GbE QSFP+/QSFP28

• QFX5120-32C: 32 × 40/100GbE QSFP+/QSFP28 and 2 × 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

• Up to 6.4 Tbps bidirectional Layer 2/Layer 3 performance

• Ultra-low latency, as low as 550 nanoseconds

Junos OS Capabilities

• Advanced feature support including EVPN, BGP Add-Path, MPLS, L3 VPN, and IPv6 Provider Edge (6PE)

Flexible Deployment Options

• EVPN-VXLAN L2 and L3 gateway support for both edge-routed and centrally routed overlay architectures

Fabric Management

• Juniper Apstra automation provides full Day 0–Day 2 lifecycle management with closed-loop assurance

Network Automation

• Supports Python, Puppet, Ansible, and Zero Touch Provisioning (ZTP) for streamlined, automated network operations