QFX5100 Switches

QFX5100 top-of-rack 10GbE/40GbE switches for the data center offer low latency, deployment versatility, and rich automation features. These switches provide universal building blocks for industry-standard architectures such as spine-and-leaf IP and EVPN fabrics.

Manage your QFX5100s with turnkey Juniper Apstra intent-based networking software, which automates the entire network lifecycle to simplify design, deployment, and operations and provides closed-loop assurance.

Key Features


Use Case: Data Center Fabric Leaf

Port Density:

  • QFX5100-48S: 48 x 1/10GbE SFP/SFP+ and 6 x 40GbE QSFP+
  • QFX5100-48T: 48 x 100Mbps/1/10GbE RJ-45 and 6 x 40GbE QSFP+
  • QFX5100-24Q: 24/32 x 40GbE QSFP+ 
  • QFX5100-96S: 96 x 1/10GbE SFP/SFP+ and 8 x 40GbE QSFP+

Throughput: Up to 1.44/2.56 Tbps

Features + Benefits

High Throughput

The switches deliver up to 2.56 Tbps wire-speed switching with low latency and jitter, along with full Layer 2 and Layer 3 performance.

Junos OS Capabilities

The Junos operating system supports advanced networking features such as BGP, EVPN-VXLAN, MPLS, and Fibre Channel over Ethernet (FCoE).

Flexible Deployment Options

EVPN-VXLAN Layer 2 gateway support enables VXLAN-to-VLAN connectivity at any tier in the data center, from access to edge.

Network Automation

Zero-touch provisioning (ZTP) and support for Python, Ansible, Chef, Puppet, and other DevOps configuration management tools help reduce network complexity.

Fabric Management

Juniper’s intent-based Apstra software provides full Day 0 through Day 2+ capabilities for IP/EVPN fabrics with closed-loop assurance in the data center.

CUSTOMER SUCCESS

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Aston Martin Lagonda, one of the most prestigious British sports car brands, had a bold plan to build seven new cars in seven years, including the world’s first luxury electric vehicle. Delivering on that plan meant that IT needed to be more innovative, agile, and responsive. 

QFX Series Switches

See how the QFX Series compares to other QFX products.
qfx5100 24q front with top

QFX5100

The QFX5100 line of top-of-rack 10/40GbE switches for the data center offers low latency, deployment versatility, and rich automation features. These switches provide universal building blocks for industry-standard architectures such as spine-and-leaf fabrics.

Technical Features

Use Case: Data Center Fabric Leaf

Port Density:

  • QFX5100-48S: 48 x 1/10GbE SFP/SFP+ and 6 x 40GbE QSFP+
  • QFX5100-48T: 48 x 100Mbps/1/10GbE RJ-45 and 6 x 40GbE QSFP+
  • QFX5100-24Q: 24/32 x 40GbE QSFP+ 
  • QFX5100-96S: 96 x 1/10GbE SFP/SFP+ and 8 x 40GbE QSFP+

Throughput: Up to 1.44/2.56 Tbps

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QFX5120

The QFX5120 line offers 1/10/25/40/100GbE switches designed for data center, data center edge, data center interconnect and campus deployments with requirements for low-latency Layer 2/Layer 3 features and advanced EVPN-VXLAN capabilities.

Technical Features

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

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)

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QFX5130

The QFX5130 line offers high-density, cost-optimized, 1-U, 400GbE and 100GbE fixed-configuration switches based on the Broadcom Trident 4 processor. It’s ideal for environments where cloud services are being added. With 10/25/40/100/400GbE interface options, the QFX5130 is an optimal choice for spine-and-leaf deployments in enterprise, service provider, and cloud provider environments.

Technical Features

Use Cases: Data Center Fabric Spine
Campus Distribution/Core

Port Density:

  • QFX5130-32CD: 32 x 400GbE QSFP-DD/QSFP+/QSFP28 and 2 x 10GbE SFP+
    Throughput: Up to 25.6 Tbps (bidirectional)
  • QFX5130-48C: 48 x 100GbE SFP56-DD and 8 x 400GbE QSFP-DD
    Throughput: Up to 16 Tbps (bidirectional)
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QFX5100 FAQs

What are the port densities and speeds of the QFX5100 line?

Juniper QFX5100 switches are available in the following port configurations:

  • 72 x 10GbE in a 1 U platform
  • 96 x 10GbE in a 2 U platform
  • 32 x 40GbE in a 1 U platform

What are the main use cases for the QFX5100 switches?

QFX5100 access and aggregation switches are designed for the most demanding, high-performance data center deployments. They feature topology-independent in-service software upgrades (TISSU) and Layer 2 gateway capabilities for bridging virtualized and bare-metal servers. With low-latency, flexible deployment options and rich Layer 2 and Layer 3 features, the QFX5100 is the industry’s most nimble switching line.

What is the throughput of the QFX5100?

QFX5100 switches can deliver up to 2.56 Tbps of bidirectional throughput.

What are the top features of the QFX5100 line?

Three key features are described below.

  • In-service software upgrades: With its Intel core processor, the QFX5100 allows the Junos operating system to run within a virtual machine (VM) on Linux. Junos OS runs in two separate VMs in active and standby pairs; during software upgrade cycles, the switches seamlessly move to the newer software version while maintaining intact data plane traffic.
  • Automation: The switches support a number of features for network automation and plug-and-play operations. Features include ZTP, operations and event scripts, automatic rollback, and Python scripting.
  • Built-in Insight Technology software for analytics: Dynamic buffer utilization monitoring and reporting, with an interval of 10 milliseconds, provide microburst and latency insight for valuable performance and troubleshooting data and hotspot statistics.

Who should use QFX5100 switches?

The QFX5100 line of access and aggregation switches is ideally suited for leaf deployments in next-generation IP fabrics. Offering an advanced Layer 2, Layer 3, and MPLS feature set, network operators can use the switches to build large, high-density IP fabrics that support upgrades to 25GbE servers, network virtualization, and intelligent traffic forwarding based on proven, Internet-scale technology.

What QFX5100 models are available?

The QFX5100 line includes several compact 1 U models and a 2 U option, each providing wire-speed packet performance, very low latency, and a rich set of Junos OS features.

  • QFX5100-48S (1 U)
  • QFX5100-48T (1 U)
  • QFX5100-24Q (1 U)
  • QFX5100-24Q-AA (1 U)
  • QFX5100-96S (2 U)