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QFX5100-24Q-DC-AFO
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QFX5100, 24 QSFP ports, 2 expansion slots, redundant fans, r...
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QFX5100-24Q-DC-AFO
- Description:
- QFX5100, 24 QSFP ports, 2 expansion slots, redundant fans, redundant power supplies, Built in Port to PSU air flow.
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- Brand:
- Juniper
- GTIN:
- 832938068018
- Condition:
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QFX5100-24Q-DC-AFO Overview
Overview of QFX5100-24Q-DC-AFO. QFX5100-24Q-DC-AFO is a high-performance data center switch that features a modular architecture for rapid deployment and scalable networking. It offers a robust DC power supply, a comprehensive set of high-density QSFP+ ports designed for efficient stacking and easy expansion, and exceptional throughput that meets the demands of modern enterprise and cloud infrastructures.
Engineered for reliability and low-latency performance, this switch supports both Layer 2 and Layer 3 operations to accommodate a wide range of use cases. Its design facilitates simplified management and future-proof scalability, ensuring seamless integration into existing infrastructures while delivering the performance required for mission-critical applications.
QFX5100-24Q-DC-AFO price is is available on request. Get immediate quote.
Request bulk order quote for QFX5100-24Q-DC-AFO for additional pricing. Browse the full Juniper Qfx5100 Series Switches series or explore all Juniper products.
QFX5100-24Q-DC-AFO Specifications
- Product Type
- Switch
- Power Source
- DC Power Supply
- Layer Supported
- Layer 2 / Layer 3
- Form Factor
- Rack-mount
- Power Consumption
- 230 W
- Number of Ethernet Ports
- 12–24 Ports
- Number of Downlink Ports
- 24 Ports
- Manageable
- Managed
- Ethernet Technology
- 10/100/1000
- Media Type Supported
- Fiber
- Redundant Power Supply Supported
- No
- Manufacturer Part Number
- QFX5100-24Q-DC-AFO
- Uplink Configuration
- 40G
- IOS
- IP Services
- POE Support
- Non POE
- SFP Ports
- N/A
- Memory
- 4 GB
- Rack Units
- 1 RU
- Interface Ports
- 10/100/1000
- Port/Expansion Slot Details
- 24 QSFP+ ports for high-density 40/100G connectivity
- Flash Memory
- 256 MB
- Switching Capacity
- 1280 Gbps
- Switching Capacity with Stacking
- N/A
- Product Name
- Juniper QFX5100-24Q-DC-AFO
- Height
- 1.73 inches
- Width
- 17.5 inches
- Depth
- 12 inches
- Weight
- 20 lbs
QFX5100-24Q-DC-AFO Use Case
Hyperscale Leaf-Spine Fabric for Ultra-Low-Latency Data Centers
In a hyperscale data center environment, network architects deploy the QFX5100-24Q-DC-AFO-QFX5100 as leaf switches connecting 100 GbE QSFP28 server uplinks to a redundant spine layer. Its 24 QSFP ports deliver east-west traffic at wire-speed, while two expansion slots support breakout modules for 10 GbE consolidation. Redundant fans and power supplies plus built-in port-to-PSU airflow ensure continuous operation under high thermal load. Benefit: deterministic low latency, non-stop uptime and simplified capacity scaling.
High-Performance Compute Cluster Interconnect for AI/ML Workloads
Research and AI organizations use the QFX5100-24Q-DC-AFO-QFX5100 to interconnect GPU and CPU nodes over 100 GbE with RDMA and PFC support. The 24 QSFP ports aggregate massive data streams, while two expansion bays accommodate high-density breakouts for 25 GbE management and storage. Redundant fans and power modules plus optimized port-to-PSU airflow maintain cooling integrity during sustained peak loads. Benefit: accelerated model training, minimal packet loss and guaranteed cluster availability.
Carrier-Grade Edge Aggregation for Colocation and Telco PoPs
Colocation operators and service providers deploy the QFX5100-24Q-DC-AFO-QFX5100 in edge racks to aggregate customer 100 GbE circuits and off-net links. Twenty-four QSFP ports support direct high-speed customer hookups; expansion slots enable hardware-level segmentation and breakout for 10 GbE handoffs. Redundant fans and dual power supplies plus port-to-PSU airflow design safeguard continuous service in constrained rack environments. Benefit: high-density port scalability, carrier-grade reliability and efficient thermal management.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| QFX5100-24Q-DC-AFO |  QFX5100-96S-AFO |  QFX5100-24Q-AA-AFO |  QFX5100-24Q-AFI |  QFX5100-24Q-3AFI | |
|---|---|---|---|---|---|
| Depth | 12 inches | 18.5 inches | 10.9 inches | 12 inches | 18.5 inches |
| Ethernet Technology | 10/100/1000 | 10GbE | 10/100/1000 | 10/100/1000 | 10/25/40/100GbE |
| Flash Memory | 256 MB | 256 MB | 256 MB | 256 MB | 256 MB |
| Form Factor | Rack-mount | Rack-mount | Rack-mount | Rack-mount | Rack-mount |
| Height | 1.73 inches | 1.73 inches | 1.75 inches | 1.75 inches | 1.75 inches |
| IOS | IP Services | Junos OS | IP Services | IP Lite | Junos OS |
| Interface Ports | 10/100/1000 | 10GbE | 10/100/1000 | 10/100/1000 | 10/25/40/100GbE |
| Layer Supported | Layer 2 / Layer 3 | 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 | QFX5100-24Q-DC-AFO | QFX5100-96S-AFO | QFX5100-24Q-AA-AFO | QFX5100-24Q-AFI | QFX5100-24Q-3AFI |
| Media Type Supported | Fiber | Fiber | Fiber | Fiber | Fiber / Copper |
| Memory | 4 GB | 4 GB | 4 GB | 512 MB | 4 GB |
| Number of Downlink Ports | 24 Ports | 96 Ports | 24 Ports | 24 Ports | 24 Ports |
| Number of Ethernet Ports | 12–24 Ports | Over 48 Ports | 12–24 Ports | 12–24 Ports | 12–24 Ports |
| POE Support | Non POE | Non POE | Non POE | Non POE | Non POE |
| Port/Expansion Slot Details | 24 QSFP+ ports for high-density 40/100G connectivity | Fixed configuration with 96 SFP+ downlink ports and 6 QSFP+ uplink ports | 24 QSFP+ ports with breakout support to 4x10GbE | 24 QSFP+ ports with 4 dedicated SFP management ports | 24 QSFP28 fixed ports |
| Power Consumption | 230 W | 370 W | N/A | 255 W | N/A |
| Power Source | DC Power Supply | Redundant Power Supply / AC Power Supply | Redundant Power Supply / AC Power Supply | Redundant Power Supply / AC Power Supply | AC Power Supply |
| Product Name | Juniper QFX5100-24Q-DC-AFO | Juniper Networks QFX5100-96S-AFO | Juniper QFX5100-24Q-AA-AFO | Juniper QFX5100-24Q-AFI Data Center Switch | Juniper Networks QFX5100-24Q-3AFI |
| Product Type | Switch | Switch | Switch | Switch | Switch |
| Rack Units | 1 RU | 1 RU | 1 RU | 1 RU | 1 RU |
| Redundant Power Supply Supported | No | Yes | Yes | Yes | Yes |
| SFP Ports | N/A | 96 x 10GbE SFP+ ports | 24 SFP Ports | 24 SFP Ports | N/A |
| Switching Capacity | 1280 Gbps | 1920 Gbps | 1440 Gbps | 1280 Gbps | 4800 Gbps |
| Switching Capacity with Stacking | N/A | N/A | N/A | 2560 Gbps | N/A |
| Uplink Configuration | 40G | 40G | 40G | 40G | 40G/100G |
| Weight | 20 lbs | 15 lbs | 20 lbs | 7 lbs | 25 lbs |
| Width | 17.5 inches | 17.5 inches | 17.7 inches | 17.5 inches | 17.5 inches |
Reviews & Ratings
R
Russell Bennett
4
Reliable switching with efficient airflow.
O
Oliver Hastings
4
Handles heavy east west traffic smoothly.
D
Derek Wallace
5
No power or thermal issues experienced.
P
Patrick Coleman
4
Solid DC powered QSFP platform.
Questions & Answers
What is the Juniper QFX5100-24Q-DC-AFO switch?
The Juniper QFX5100-24Q-DC-AFO is a high-performance, 1U data center leaf switch with 24 QSFP28 ports, two expansion slots, redundant fans and power supplies, and front-to-rear airflow for optimized cooling.
How many ports and expansion slots does the QFX5100-24Q-DC-AFO provide?
It offers 24 QSFP28 ports supporting 100 GbE interfaces and two hot-swappable expansion slots for additional modules or optics to scale network capacity.
What redundant components are included in the QFX5100-24Q-DC-AFO?
The switch includes dual field-replaceable, front-to-rear redundant fans and dual hot-swap DC power supply units, ensuring uninterrupted operation during maintenance or failure.
What is the airflow design for the QFX5100-24Q-DC-AFO?
The QFX5100-24Q-DC-AFO uses front-to-rear airflow, directing intake air at the front and expelling hot air at the rear, in compliance with data center cooling standards.
What throughput and latency can I expect from this switch?
The QFX5100-24Q-DC-AFO delivers up to 6.4 Tbps of switching capacity with sub-600 nanosecond port-to-port latency for ultra-low-delay data center deployments.
Does the QFX5100-24Q-DC-AFO support Junos OS and automation?
Yes, it runs Juniper Junos OS with full automation support via Ansible, Puppet, Chef and native scripting, enabling consistent, policy-driven network operations.
What power requirements does the QFX5100-24Q-DC-AFO have?
It requires –48 VDC input and supports up to two 600 W DC power modules, with typical power consumption around 350 W under full load.
Can I mix QSFP28 transceivers and breakout cables on this switch?
Yes, the QFX5100-24Q-DC-AFO supports QSFP28 direct-attach copper, AOC, and active/passive breakout cable options, enabling flexible 4×25 GbE or 4×10 GbE deployments.
Is VXLAN EVPN supported on the QFX5100-24Q-DC-AFO?
Yes, it fully supports VXLAN EVPN for scalable, multitenant data center overlays with hardware-offloaded encapsulation for maximum performance.
How do I manage and monitor the switch?
Management is available via CLI, Junos Space Network Director, SNMP, NETCONF/YANG, and built-in web UI, offering real-time telemetry and proactive alerting.
What stacking or virtualization features are available?
The QFX5100-24Q-DC-AFO supports Virtual Chassis Fabric, grouping up to 10 switches into a single logical device for simplified management and active-active forwarding.
What warranty and support options exist for this switch?
Juniper provides a limited lifetime warranty, next-business-day hardware replacement, and optional 24×7 support and advanced replacement services for enhanced SLA.
What data center use cases fit the QFX5100-24Q-DC-AFO?
Ideal for leaf/spine topologies, east-west traffic aggregation, high-density 100 GbE uplinks, and cloud-scale virtualization in enterprise and service provider networks.
How dense is the QFX5100-24Q-DC-AFO in terms of 100 GbE ports per rack U?
In a compact 1U chassis, you get 24 native 100 GbE ports, delivering industry-leading port density for maximum rack efficiency.
Does the switch support MLAG for high availability?
Yes, it supports multichassis link aggregation (MLAG) for active-active uplinks, eliminating single points of failure and enabling hitless upgrades.
What security features are built into the QFX5100-24Q-DC-AFO?
It includes ACLs, MACsec encryption, storm control, and RADIUS/TACACS+ authentication, delivering robust perimeter and data-plane protection.
What operating environment does the switch require?
The QFX5100-24Q-DC-AFO operates in 0 °C to 40 °C ambient temperatures, up to 5,000 m elevation, and supports front-to-rear airflows in 19-inch racks.