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Name:
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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- Juniper
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- GTIN:
- 832938068018
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3 Year Extended Warranty
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Extended protection, enterprise-grade.
All enterprise hardware is backed by a 3-year warranty — triple the industry standard — covering defects under normal use.
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If a hardware issue is confirmed, we’ll repair or replace the unit. Replacement parts carry either original or 3-month coverage.
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Once an RMA is approved, return the defective unit within 10 days. We handle the rest — no service gaps.
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Covered for any early faults.
All equipment includes a 30-day replacement warranty. If something goes wrong, we’ll repair or swap it — fast.
Replacements shipped in 10 days or less.
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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.
What is the price of QFX5100-24Q-DC-AFO?
Pricing for QFX5100-24Q-DC-AFO is available on request. Get immediate quote or for exclusive discounts, opt for bulk quotation for QFX5100-24Q-DC-AFO.
Explore more options from Switches or explore other 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
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| Depth | 10.9 inches | 18.5 inches | 12 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 | 1.75 inches | 1.73 inches | 1.75 inches | 1.73 inches | 1.75 inches |
| Interface Ports | 10/100/1000 | 10GbE | 10/100/1000 | 10/100/1000 | 10/25/40/100GbE |
| IOS | IP Services | Junos OS | IP Lite | IP Services | Junos OS |
| 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-AA-AFO | QFX5100-96S-AFO | QFX5100-24Q-AFI | QFX5100-24Q-DC-AFO | QFX5100-24Q-3AFI |
| Media Type Supported | Fiber | Fiber | Fiber | Fiber | Fiber / Copper |
| Memory | 4 GB | 4 GB | 512 MB | 4 GB | 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 with breakout support to 4x10GbE | Fixed configuration with 96 SFP+ downlink ports and 6 QSFP+ uplink ports | 24 QSFP+ ports with 4 dedicated SFP management ports | 24 QSFP+ ports for high-density 40/100G connectivity | 24 QSFP28 fixed ports |
| Power Consumption | N/A | 370 W | 255 W | 230 W | N/A |
| Power Source | Redundant Power Supply / AC Power Supply | Redundant Power Supply / AC Power Supply | Redundant Power Supply / AC Power Supply | DC Power Supply | AC Power Supply |
| Product Name | Juniper QFX5100-24Q-AA-AFO | Juniper Networks QFX5100-96S-AFO | Juniper QFX5100-24Q-AFI Data Center Switch | Juniper QFX5100-24Q-DC-AFO | 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 | Yes | Yes | Yes | No | Yes |
| SFP Ports | 24 SFP Ports | 96 x 10GbE SFP+ ports | 24 SFP Ports | N/A | N/A |
| Switching Capacity | 1440 Gbps | 1920 Gbps | 1280 Gbps | 1280 Gbps | 4800 Gbps |
| Switching Capacity with Stacking | N/A | N/A | 2560 Gbps | N/A | N/A |
| Uplink Configuration | 40G | 40G | 40G | 40G | 40G/100G |
| Weight | 20 lbs | 15 lbs | 7 lbs | 20 lbs | 25 lbs |
| Width | 17.7 inches | 17.5 inches | 17.5 inches | 17.5 inches | 17.5 inches |
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Questions & Answers
Q
What is the Juniper QFX5100-24Q-DC-AFO switch?
A
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.
Q
How many ports and expansion slots does the QFX5100-24Q-DC-AFO provide?
A
It offers 24 QSFP28 ports supporting 100 GbE interfaces and two hot-swappable expansion slots for additional modules or optics to scale network capacity.
Q
What redundant components are included in the QFX5100-24Q-DC-AFO?
A
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.
Q
What is the airflow design for the QFX5100-24Q-DC-AFO?
A
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.
Q
What throughput and latency can I expect from this switch?
A
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.
Q
Does the QFX5100-24Q-DC-AFO support Junos OS and automation?
A
Yes, it runs Juniper Junos OS with full automation support via Ansible, Puppet, Chef and native scripting, enabling consistent, policy-driven network operations.
Q
What power requirements does the QFX5100-24Q-DC-AFO have?
A
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.
Q
Can I mix QSFP28 transceivers and breakout cables on this switch?
A
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.
Q
Is VXLAN EVPN supported on the QFX5100-24Q-DC-AFO?
A
Yes, it fully supports VXLAN EVPN for scalable, multitenant data center overlays with hardware-offloaded encapsulation for maximum performance.
Q
How do I manage and monitor the switch?
A
Management is available via CLI, Junos Space Network Director, SNMP, NETCONF/YANG, and built-in web UI, offering real-time telemetry and proactive alerting.
Q
What stacking or virtualization features are available?
A
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.
Q
What warranty and support options exist for this switch?
A
Juniper provides a limited lifetime warranty, next-business-day hardware replacement, and optional 24×7 support and advanced replacement services for enhanced SLA.
Q
What data center use cases fit the QFX5100-24Q-DC-AFO?
A
Ideal for leaf/spine topologies, east-west traffic aggregation, high-density 100 GbE uplinks, and cloud-scale virtualization in enterprise and service provider networks.
Q
How dense is the QFX5100-24Q-DC-AFO in terms of 100 GbE ports per rack U?
A
In a compact 1U chassis, you get 24 native 100 GbE ports, delivering industry-leading port density for maximum rack efficiency.
Q
Does the switch support MLAG for high availability?
A
Yes, it supports multichassis link aggregation (MLAG) for active-active uplinks, eliminating single points of failure and enabling hitless upgrades.
Q
What security features are built into the QFX5100-24Q-DC-AFO?
A
It includes ACLs, MACsec encryption, storm control, and RADIUS/TACACS+ authentication, delivering robust perimeter and data-plane protection.
Q
What operating environment does the switch require?
A
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.
