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Delivering reliable IT hardware solutions since 2009.
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Part Number: QFX5100-96S-DC-AFI
Description: QFX5100, 96 1/10G SFP+,8 40G QSFP ports, redundant fans and PSUs, DC, Back to Front airflow
Category: Juniper QFX5100 Series Switches, Juniper Switches, Switches
and more
15+ Years of Proven Excellence
Delivering reliable IT hardware solutions since 2009.
Same-Day Shipping
On all on-hand orders placed before 2 pm CST.
Limited Lifetime Warranty
You’ll find warranty coverage on the majority of our hardware.*
Terms & Conditions*
The Juniper QFX5100-96S-DC-AFI delivers exceptional performance for data center network environments with its impressive 96 1/10GbE SFP+ ports and 8 40GbE QSFP+ uplink ports. This 2U switch provides up to 2.56 Tbps of aggregate throughput and wire-speed packet performance of 1.44 Bpps (billion packets per second), enabling efficient resource utilization for demanding workloads. As a universal building block for data center switching architectures, the QFX5100-96S-DC-AFI supports sophisticated traffic management with features like multiple spanning tree protocol and rapid spanning tree protocol for loop prevention. The high port density makes it particularly valuable for larger scale data center deployments where maximizing connectivity while minimizing rack space is essential for controlling data center operating costs.
The QFX5100-96S-DC-AFI excels in tomorrow’s dynamic data center environments through its comprehensive support for network virtualization technologies. With virtual extensible LAN (VXLAN) implementation, the switch enables flexible overlay network-based solutions that can span physical boundaries while maintaining logical separation. The advanced routing capabilities of the QFX5100-96S-DC-AFI include robust support for border gateway protocol with specific BGP extended community attributes for scalable network design. Virtual chassis technology allows up to 10 interconnected QFX5100 switches to operate as a single logical device, dramatically simplifying network operations while providing the performance benefits of a distributed system. This capability is particularly valuable for data center server access deployments where multiple interconnected switches must function cohesively to deliver reliable service.
The QFX5100-96S-DC-AFI incorporates advanced security features to protect modern data center environments from sophisticated threats. The switch supports filters for secure interface login, implements advanced encryption standard protocols for data protection, and provides port error disable functionality to contain potential security breaches. Network traffic determined by user policies can be properly classified and handled with efficient resource utilization through weighted random early detection and random early detection for congestion management. For organizations requiring protection against network-level attacks, the QFX5100-96S-DC-AFI enables robust border security with virtual router redundancy protocol implementation and protection features like dynamic ARP inspection. These capabilities ensure that business-essential traffic remains prioritized and protected even in challenging network conditions.
With the QFX5100-96S-DC-AFI, network administrators gain exceptional visibility and control through intelligent monitoring capabilities. The switch supports the internet standard management framework and enables network operations teams to identify network hotspots through dynamic buffer utilization monitoring. Port and system automation features reduce manual configuration tasks, while Java Script Object Notification support enables efficient data collection for management platforms. The QFX5100-96S-DC-AFI facilitates improved network management through integration with Junos Space Security Director and provides comprehensive system logging to maintain detailed operational records. With interface group MIB support, the switch delivers detailed performance metrics that help network teams maintain bandwidth and optimize performance for critical application workloads across the enterprise data center or service provider core environments.
| Feature | Specification |
| Form Factor | 2U rack-mountable |
| Dimensions (W x H x D) | 17.4″ x 3.5″ x 20.5″ (44.2 x 8.9 x 52.1 cm) |
| Weight | 24.7 lbs (11.2 kg) |
| Access Ports | 96 x 1/10GbE SFP/SFP+ ports |
| Uplink/Stacking Ports | 8 x 40GbE QSFP+ ports |
| Switching Capacity | 2.56 Tbps |
| Forwarding Rate | 1.44 Bpps |
| Latency | 550 ns (cut-through mode) |
| Power Supply | Dual redundant, hot-swappable 850W DC |
| Power Consumption | Typical: 280W (2.9W per 10GbE port) |
| Airflow | Back-to-front (AFI – air flow in) |
| Fan Modules | Dual redundant, hot-swappable |
| CPU | 1.5 GHz dual-core Intel processor |
| Memory | 8 GB RAM |
| Storage | 32 GB SSD |
| Mean Time Between Failures | 200,000 hours |
The QFX5100-96S-DC-AFI runs on the robust Junos operating system features, providing extensive functionality for enterprise networks:
The QFX5100-96S-DC-AFI is designed for seamless integration into various network deployments:
The QFX5100-96S-DC-AFI fits within Juniper’s QFX5100 switch family, offering specific advantages for certain deployments:
| Model | QFX5100-96S-DC-AFI | QFX5100-48S | QFX5100-24Q | QFX5100-48T |
| Form Factor | 2U | 1U | 1U | 1U |
| Access Ports | 96 x 1/10GbE SFP+ | 48 x 1/10GbE SFP+ | 24 x 40GbE QSFP+ | 48 x 10GBASE-T |
| Uplink Ports | 8 x 40GbE QSFP+ | 6 x 40GbE QSFP+ | Up to 8 more with modules | 6 x 40GbE QSFP+ |
| Max 10GbE Ports | 104 (with breakout) | 72 (with breakout) | 104 (with breakout) | 48 direct + 24 breakout |
| Best For | High-density leaf or spine deployment | General access deployment | 40GbE-focused environments | Copper infrastructure |
| Power Supply | DC with back-to-front | AC/DC options | AC/DC options | AC/DC options |
| Port Density | Highest 10GbE density | Medium density | Highest 40GbE density | Highest copper density |
The QFX5100-96S-DC-AFI stands out with its significantly higher port count, making it ideal for dense server farm environments or larger spine deployments in data center networks.
The QFX5100-96S-DC-AFI delivers exceptional value through its high port density that effectively doubles the connectivity of standard 1U switches while only requiring a single management interface and operating system instance. The switch’s 3:1 oversubscription ratio between access and uplink ports provides an optimal balance between performance and investment, making it ideal for data center deployments where high server density is required. With support for virtual chassis technology, organizations can further reduce operational expenses by managing multiple physical switches as a single logical device, simplifying network administration and reducing configuration complexity.
When integrating the QFX5100-96S-DC-AFI into existing networks, administrators should verify power infrastructure compatibility with the DC power requirements and ensure back-to-front airflow aligns with data center cooling design. Consider whether to implement the switch as a standalone device or as part of a virtual chassis configuration, as this affects cabling designs and management approach. Evaluate existing monitoring systems for compatibility with the switch’s SNMP MIBs and determine if your operational tools support the dynamic host configuration protocol and other advanced features that could streamline deployment.
The QFX5100-96S-DC-AFI provides robust future-proofing through its support for software-defined networking capabilities and programmable interfaces that adapt to evolving network architectures. The switch’s 40GbE uplink ports can be reconfigured to serve as virtual chassis ports, enabling expansion of the switching fabric to support up to 10 interconnected switches managed as a single entity. With support for advanced protocols like VXLAN and MPLS, the QFX5100-96S-DC-AFI enables flexible network virtualization that can accommodate changing application requirements without wholesale infrastructure replacement.
The QFX5100-96S-DC-AFI ensures high availability through redundant, hot-swappable power supplies that maintain operation if one power supply fails, while the dual fan modules provide cooling redundancy to prevent thermal-related outages. The switch implements graceful protocol restart mechanisms and maintains intact data plane traffic during control plane events, preserving network connectivity during software updates or minor failures. With virtual router redundancy protocol support, the QFX5100-96S-DC-AFI enables network teams to design resilient topologies with automatic failover that keeps critical applications connected even during hardware or network path failures.
When deploying the QFX5100-96S-DC-AFI, plan rack space and power distribution carefully, accounting for the DC power requirements and ensuring proper airflow alignment with your data center design. Consider implementing link aggregation groups between switches to provide redundant connectivity paths while increasing available bandwidth. Establish a baseline monitoring strategy that leverages the switch’s dynamic buffer utilization monitoring capabilities to identify network hotspots before they impact service. Set up appropriate VLAN configurations and spanning tree protocol parameters to prevent network loops while enabling efficient traffic flows across the data center network.
At Network Republic, our end-user accounts are covered by a 1-Year Warranty on all hardware—whether New, New Open Box, New Pull, Refurbished, or Refurbished by Manufacturer —from the date of delivery. This warranty covers hardware defects under normal use and allows for repair, replacement, or in-house credit at our discretion.
For resellers and wholesale purchases, we offer a 30-Day Warranty limited strictly to functional issues or defects upon arrival, including dead-on-arrival (DOA) items; it does not apply to problems arising after prolonged use. Resellers are responsible for inspecting and testing products within the 30-day window. This warranty excludes accidental damage, misuse, cosmetic wear, third-party modifications, and software-related issues unrelated to hardware failure. Check out our full warranty policy here.
Software licenses are not covered under the standard return and warranty policies and need to be activated on the hardware within 7 days of receipt. Any issues need to be reported immediately, within 10 days, so we can issue an exchange. Under no circumstances will refunds be issued for software licenses.
Our team of professionals are experts in networking hardware configurations and can assist you at any time during your purchasing process. We always recommend great price-performance alternatives based on current market price and availability. In need of assistance or looking for a specific part number? Request a quote today or chat with one of our IT specialists.
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