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QFX5120-48Y-AFI2
- Description:
- Juniper Networks QFX Series QFX5120-48Y - switch - 48 ports - managed - rack-mountable
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$32,865.00
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QFX5120-48Y-AFI2
Juniper Networks QFX Series QFX5120-48Y - switch -...
$32,865.00
$7,261.00
49 in Global Warehouse
$7,261.00
78% off
TRUSTED, TRIED, PROVEN
QFX5120-48Y-AFI2 Overview
QFX5120-48Y-AFI2 is a high-performance data center switch engineered with a scalable architecture that supports advanced Layer 2 and Layer 3 functionalities. It features versatile power options with redundant power supply support, comprehensive port configurations, and a design that facilitates stacking and easy expansion, delivering consistent non-blocking performance for demanding applications.
QFX5120-48Y-AFI2 is optimized to handle high throughput with low latency, making it ideal for modern data centers, cloud environments, and micro-segmentation applications. Its robust design and reliable performance have been tailored for a wide range of network use cases, providing both enhanced scalability and operational flexibility in enterprise and service provider deployments.
What is the price of QFX5120-48Y-AFI2?
Lowest price of QFX5120-48Y-AFI2 is $ 7,261.00. Shop now! Get further exclusive discounts with bulk quotation on QFX5120-48Y-AFI2
Explore more options from Switches or explore other Juniper products.
QFX5120-48Y-AFI2 Specifications
| Product Type | Switch |
| Power Source | Redundant Power Supply / AC Power Supply |
| Layer Supported | Layer 2 / Layer 3 |
| Form Factor | Rack-mount |
| Power Consumption | N/A |
| Number Of Ethernet Ports | 24–48 Ports |
| Number Of Downlink Ports | 48 Ports |
| Manageable | Managed |
| Ethernet Technology | 10/100/1000 |
| Media Type Supported | Fiber |
| Redundant Power Supply Supported | Yes |
| Manufacturer Part Number | QFX5120-48Y-AFI2 |
| Uplink Configuration | 40G |
| IOS | IP Services |
| POE Support | Non POE |
| SFP Ports | 24 SFP Ports |
| Memory | 4 GB |
| Rack Units | 1 RU |
| Interface Ports | 10/100/1000 |
| Port/Expansion Slot Details | 48 x QSFP28 data ports and 4 x SFP28 management ports |
| Flash Memory | 256 MB |
| Switching Capacity | 6400 Gbps |
| Switching Capacity With Stacking | N/A |
| Product Name | Juniper QFX5120-48Y-AFI2 Ethernet Switch |
| Height | 1.75 inches |
| Width | 19 inches |
| Depth | 17 inches |
| Weight | 25 lbs |
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
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|---|---|---|---|---|---|
| Depth | 8.5 inches | 10.5 inches | 10.9 inches | 12 inches | 17 inches |
| Ethernet Technology | 10/100/1000 | 10GbE | 10/100/1000 | 10/100/1000 | 10/100/1000 |
| Flash Memory | 64 MB | 256 MB | 256 MB | 256 MB | 256 MB |
| Form Factor | Rack-mount | Rack-mount | Rack-mount | Rack-mount | Rack-mount |
| Height | 1.75 inches | 1.75 inches | 1.75 inches | 1.75 inches | 1.75 inches |
| Interface Ports | 10/100/1000 | N/A | 10/100/1000 | 10/100/1000 | 10/100/1000 |
| IOS | IP Lite | IP Lite | IP Services | IP Lite | IP Services |
| Layer Supported | Layer 2 | Layer 2 / Layer 3 | Layer 2 / Layer 3 | Layer 2 / Layer 3 | Layer 2 / Layer 3 |
| Manageable | Managed | Managed | Managed | Managed | Managed |
| Manufacturer Part Number | EX2300-24MP | EX4300-32F-DC | QFX5100-24Q-AA-AFO | QFX5100-24Q-AFI | QFX5120-48Y-AFI2 |
| Media Type Supported | Twisted Pair / Fiber / Combo | Fiber | Fiber | Fiber | Fiber |
| Memory | 256 MB | 256 MB | 4 GB | 512 MB | 4 GB |
| Number of Downlink Ports | 24 Ports | 32 Ports | 24 Ports | 24 Ports | 48 Ports |
| Number of Ethernet Ports | 12–24 Ports | 24–48 Ports | 12–24 Ports | 12–24 Ports | 24–48 Ports |
| POE Support | POE+ | Non POE | Non POE | Non POE | Non POE |
| Port/Expansion Slot Details | 24 PoE Ports, 4 SFP Uplink Ports | N/A | 24 QSFP+ ports with breakout support to 4x10GbE | 24 QSFP+ ports with 4 dedicated SFP management ports | 48 x QSFP28 data ports and 4 x SFP28 management ports |
| Power Consumption | N/A | 63W | N/A | 255 W | N/A |
| Power Source | AC Power Supply | DC Power Supply | Redundant Power Supply / AC Power Supply | Redundant Power Supply / AC Power Supply | Redundant Power Supply / AC Power Supply |
| Product Name | EX2300-24MP | Juniper Networks EX4300-32F-DC Ethernet Switch | Juniper QFX5100-24Q-AA-AFO | Juniper QFX5100-24Q-AFI Data Center Switch | Juniper QFX5120-48Y-AFI2 Ethernet Switch |
| Product Type | Switch | Switch | Switch | Switch | Switch |
| Rack Units | 1 RU | 1 RU | 1 RU | 1 RU | 1 RU |
| Redundant Power Supply Supported | No | No | Yes | Yes | Yes |
| SFP Ports | 4 SFP Ports | 32 SFP+ Ports | 24 SFP Ports | 24 SFP Ports | 24 SFP Ports |
| Switching Capacity | 52 Gbps | 640 Gbps | 1440 Gbps | 1280 Gbps | 6400 Gbps |
| Switching Capacity with Stacking | 104 Gbps | 640 Gbps | N/A | 2560 Gbps | N/A |
| Uplink Configuration | 1G | 10G | 40G | 40G | 40G |
| Weight | 10 lbs | 8.6 lbs | 20 lbs | 7 lbs | 25 lbs |
| Width | 17.5 inches | 17.5 inches | 17.7 inches | 17.5 inches | 19 inches |
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Questions & Answers
Q
What is the Juniper Networks QFX5120-48Y-AFI2 switch?
A
The Juniper Networks QFX5120-48Y-AFI2 is a 1U, rack-mountable managed switch featuring 48 SFP28 ports and an AFI2 advanced feature license for enhanced Layer 2/3 capabilities.
Q
How many and what types of ports does the QFX5120-48Y-AFI2 provide?
A
The QFX5120-48Y-AFI2 delivers 48 SFP28 ports supporting 1/10/25 GbE and six QSFP28 ports for 40 GbE or breakout to 4×10/4×25 GbE.
Q
What is the switching capacity and throughput of the QFX5120-48Y-AFI2?
A
The switch offers up to 3.6 Tbps of switching capacity and a maximum forwarding rate of 2.7 billion packets per second (Bpps).
Q
Does the QFX5120-48Y-AFI2 support Layer 2 and Layer 3 protocols?
A
Yes. It supports comprehensive Layer 2 features (VLAN, Spanning Tree, MLAG) and advanced Layer 3 routing (OSPF, BGP, RIP, VRF).
Q
What management and monitoring options are available?
A
Management is via Junos OS CLI, Juniper’s REST API, Junos Space, SNMP, RMON, and sFlow for real-time telemetry and automation.
Q
Which advanced features are enabled by the AFI2 license?
A
The AFI2 license activates EVPN-VXLAN, MPLS, advanced security (MACsec), segment routing, and comprehensive traffic analytics.
Q
Is the QFX5120-48Y-AFI2 rack-mountable and what are its physical dimensions?
A
Yes. It’s a 1U, 19-inch rack-mount device measuring 44.25×1.68×20.87 cm (W×H×D) with included mounting brackets.
Q
What power supply and redundancy options are supported?
A
The switch supports dual hot-swappable 750 W AC power supplies for N+1 redundancy and continuous uptime.
Q
What is the typical power consumption of the QFX5120-48Y-AFI2?
A
Typical power consumption is approximately 205 W, with a maximum draw of around 350 W under full load.
Q
How does the cooling and airflow work on this switch?
A
It uses front-to-back airflow with redundant, hot-swappable fans to maintain optimal operating temperatures in data center environments.
Q
Does the QFX5120-48Y-AFI2 support Virtual Chassis technology?
A
Yes. It supports Virtual Chassis configurations up to 10 units, enabling single-system management and high-availability clustering.
Q
What are the primary use cases for the QFX5120-48Y-AFI2?
A
Ideal for data center leaf-spine topologies, campus aggregation, and high-performance edge deployments requiring 10/25 GbE connectivity.
Q
Which automation and programmability frameworks are supported?
A
It supports Junos automation tools (PyEZ), Ansible modules, Terraform providers, and native Python or REST-based scripting.
Q
What security and compliance features are included?
A
Security features include MACsec encryption, dynamic MAC filtering, ACLs, DHCP snooping, ARP inspection, and DDoS mitigation.
Q
What warranty and support options are available for this switch?
A
The QFX5120-48Y-AFI2 comes with a one-year limited hardware warranty and optional Juniper J-Care support for extended coverage.
Q
How does the AFI2 model differ from the base QFX5120-48Y switch?
A
The AFI2 model includes an advanced feature license that unlocks EVPN-VXLAN, MPLS, MACsec, and enhanced telemetry not available in the base model.
