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Juniper

Juniper QFX5120-48Y-AFO2 | QFX5120 48-Port 25GbE Switch, AC, Airflow Out, 8x 100GbE

Juniper QFX5120-48Y-AFO2 | QFX5120 48-Port 25GbE Switch, AC, Airflow Out, 8x 100GbE

QFX5120-48Y-AFO2

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Description

The Juniper QFX5120-48Y is a high-performance 1U top-of-rack data centre switch built for leaf-and-spine architectures. Equipped with 48 x 1/10/25GbE SFP28 downlink ports and 8 x 40/100GbE QSFP28 uplinks, it delivers up to 4 Tbps switching capacity with as low as 800 ns latency. This variant ships with front-to-back (port-side exhaust) airflow — ideal for hot-aisle containment environments — along with redundant AC power supplies and fans for maximum availability. Base Junos OS software features are included.

The QFX5120-48Y supports EVPN-VXLAN for scalable overlay networking, Layer 3 gateway routing between virtualised and bare-metal servers, and real-time streaming telemetry via the Junos Telemetry Interface (JTI). Compatible with Juniper Apstra and Mist cloud management platforms, it also supports Virtual Chassis for simplified operations. Upgrade your network with gear from iptrading.com.au — Australia's IT hardware specialists.

Features

- EVPN-VXLAN support for scalable overlay/underlay network fabric architectures
- Layer 3 gateway routing between virtualised and bare-metal server environments
- Optimised for leaf-and-spine data centre and collapsed spine/campus distribution deployments
- Junos Telemetry Interface (JTI) for real-time streaming network telemetry
- High availability via redundant AC power supplies and hot-swappable fans
- Front-to-back (port-side exhaust) airflow — compatible with hot-aisle containment
- Compatible with Juniper Apstra for intent-based data centre automation
- Juniper Mist cloud management support for AI-driven operations
- Virtual Chassis support for simplified multi-switch management
- Rich Layer 2 and Layer 3 feature set running on proven Junos OS

Warranty

Juniper products are supplied with standard manufacturer warranty terms, which vary by product and can range from 1 year through to limited lifetime coverage. IP Trading can also provide Juniper J-Care warranty and support extensions for customers who need longer coverage or enhanced support options. https://support.juniper.net/support/warranty/

All technical data should be verified on the manufacturer data sheets.

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Technical Specifications

FAQs

Datasheet

Technical Specifications

- 48 x 1/10/25GbE SFP28 downlink ports
- 8 x 40/100GbE QSFP28 uplink ports
- 1 x 1GbE out-of-band management port
- Switching capacity: up to 4 Tbps (bidirectional)
- Latency: as low as 800 nanoseconds
- CPU: 2.2 GHz quad-core Intel
- Memory: 16 GB
- Storage: 50 GB SSD
- Form factor: 1U rack-mountable
- Airflow: front-to-back (port-side exhaust / AFO)
- Power: redundant AC power supplies
- Cooling: redundant fans
- Weight: 23.7 lb (10.75 kg)
- Dimensions: 1.72 x 17.36 x 20.48 in
- Operating system: Junos OS (ships with base software features)

FAQs

Q: What is the difference between the AFO (Airflow Out) and AFI (Airflow In) variants of the QFX5120-48Y?
A: The AFO (front-to-back / port-side exhaust) variant draws cool air in from the port side and exhausts heat out the rear — suited to hot-aisle containment data centre designs. The AFI (back-to-front / port-side intake) variant is the opposite, designed for cold-aisle containment. The QFX5120-48Y-AFO2 is the AFO variant with redundant AC PSUs and fans.

Q: Does the QFX5120-48Y support EVPN-VXLAN for modern data centre overlays?
A: Yes. The QFX5120-48Y natively supports EVPN-VXLAN, making it ideal as a leaf or spine node in scalable overlay/underlay network architectures. It also functions as a Layer 3 gateway for routing between virtualised workloads and bare-metal servers.

Q: What software does the QFX5120-48Y-AFO2 ship with?
A: This SKU ships with Junos OS base software features included. Advanced feature licences (such as for additional L3 or automation capabilities) may be purchased separately depending on your deployment requirements.

Q: Can the QFX5120-48Y be managed through Juniper Apstra or Mist?
A: Yes. The QFX5120-48Y is compatible with both Juniper Apstra (for intent-based data centre automation) and Juniper Mist (for cloud-based AI-driven management), enabling centralised visibility and simplified operations.

Q: Is the QFX5120-48Y suitable for campus distribution as well as data centre deployments?
A: Yes. While primarily designed as a top-of-rack or spine switch for data centre leaf-and-spine fabrics, the QFX5120-48Y also supports collapsed spine and campus distribution use cases, thanks to its rich Layer 2/3 feature set and high port density.

Q: Can I purchase the Juniper QFX5120-48Y-AFO2 in Australia through IP Trading?
A: Yes. iptrading.com.au is an Australian B2B IT hardware specialist stocking Juniper QFX5120 series switches. Contact our team for pricing, availability, and volume purchasing options tailored to your organisation.

Datasheet

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