What port configurations does the QFX5110-48S-AFI support?

It includes 48x 10GbE SFP+ ports for servers and 4x QSFP28 ports configurable as 100GbE, 40GbE, or 4x10GbE via breakout cables. Management ports: 2x (SFP/RJ-45), plus RS-232 console and USB 2.0. Supports SFP+/QSFP+ optics, DAC/AOC cables for flexible connectivity.

What is the switching performance?

Aggregate throughput reaches 1.76 Tbps (40GbE uplinks) or 1.32 Tbps (100GbE), with 176 Gbps switching capacity and 1.32 Bpps forwarding. Latency as low as 550ns, supporting 288,000 MAC addresses and 4,093 VLANs for high-scale data center fabrics.

Does it support network virtualization?

Yes, features VXLAN overlay, EVPN L2/L3 gateways, MC-LAG for multi-chassis redundancy. Runs Junos OS with OSPF, BGP, IS-IS, MPLS. Ideal for spine-leaf and hybrid virtualized/bare-metal environments.

What power and cooling options are available?

Dual redundant hot-pluggable AC (110-240V) or DC (-36/-72V) PSUs, max 300W, typical 195W, idle 150W. AFI model provides front-to-back airflow. Operates 0-40°C, 10-90% humidity.

What management protocols are supported?

Out-of-band management via Ethernet/serial console. Protocols include SNMP, SSH, Telnet, HTTP/HTTPS, NETCONF, YANG. Powered by 1.8GHz quad-core CPU, 16GB RAM, 64GB SSD.

Is it suitable for spine-leaf topologies?

Yes, high-density 10/40/100GbE ports, 1.76 Tbps capacity, and low latency make it ideal for leaf nodes. QSFP28 breakout to 16x10GbE total supports dense server access in scalable fabrics.

QFX5110-48S-AFI - Juniper QFX5110-48S-AFI 48x10GbE SFP+ 4xQSFP28 L3 Switch

Name: Juniper QFX5110-48S-AFI 48x10GbE SFP+ 4xQSFP28 L3 Switch
Brand: Juniper
SKU: QFX5110-48S-AFI
Price: 3705 USD
Availability: InStock

QFX5110-48S-AFI - Juniper QFX5110-48S-AFI 48x10GbE SFP+ 4xQSFP28 L3 Switch | US IT Hardware

Product overview

The Juniper Networks QFX5110-48S-AFI is a 1U Layer 2/3 access and aggregation switch designed for high-density data center environments. It features 48x 10GbE SFP+ ports for server connectivity and 4x QSFP28 ports configurable as 100GbE, 40GbE, or 4x10GbE via breakout cables, delivering aggregate throughput of 1.76 Tbps with 40GbE uplinks or 1.32 Tbps with 100GbE. Supporting VXLAN overlays, MC-LAG, and low-latency switching as low as 550ns, it enables agile spine-leaf topologies and EVPN gateways bridging virtualized and bare-metal servers. Dual redundant hot-pluggable AC/DC power supplies (max 300W) ensure high availability, with front-to-back airflow (AFI). Management includes out-of-band Ethernet/serial console, SNMP, NETCONF. Compliant with FCC Class A, CE, RoHS. Ideal for enterprise-scale networking with 288,000 MAC addresses and rich Junos OS features.

48x10GbE SFP+ + 4x100GbE QSFP28 ports
1.76 Tbps throughput, 1.32 Bpps forwarding
Dual redundant hot-plug AC/DC PSUs, 300W max
VXLAN, MC-LAG, low-latency 550ns switching
Front-to-back airflow, 1U rack-mount
288K MAC, Junos OS L2/L3/MPLS support

Expedited and overnight shipping options are available at checkout, priced by destination and service.
Purchase orders accepted from qualified institutions.
Refunds within 14 days and replacements within 30 days of delivery with an RMA (25% restocking fee on customer-initiated returns), and every part carries our Standard 30-Day Warranty - see our return policy or contact US IT Hardware.

Featuring

Manufacturer part #	QFX5110-48S-AFI
Brand	Juniper
Condition	Refurbished
Model	QFX5110-48S-AFI
Technology	VXLAN overlay deployments; MC-LAG support; low-latency switching
Product Line	QFX5110 Ethernet Switch Series
Product Type	Layer 2/Layer 3 Access and Aggregation Switch
Supported Protocols	SNMP; SSH; Telnet; HTTP/HTTPS; NETCONF; YANG
Compliance Certifications	FCC Part 15 Class A; CE Mark; RoHS compliant
Direct Attach Cable Support	SFP+ DAC (1/3/5 m twinax copper; 1/3/5/7/10 m active twinax); QSFP+ DAC (1/3/5 m twinax; 7/10 m active twinax); QSFP+ to SFP+ breakout (1/3/10 m twinax; 5/7 m active twinax)

Compatible systems

QFX5110-48S-AFI operates as standalone Layer 3 switch or modular component in QFX5110 chassis; requires Junos OS 15.1X53-D210+

Juniper Networks QFX5110 Series
Model: QFX5110-48S-AFI
Form factor: 1U rack-mount
Generation: Standalone or modular chassis component
Can operate as standalone switch (Junos OS Release 15.1X53-D210 and later) or as primary/backup/line card in QFX5110 modular chassis

Best for

Data Center Top-of-Rack
Provides 48x 10GbE SFP+ ports for dense server connectivity and 4x QSFP28 uplinks configurable to 100GbE, supporting high east-west traffic with 1.76 Tbps throughput.
Spine-Leaf Fabric
Enables scalable leaf deployment in spine-leaf architectures with low-latency 550ns switching, VXLAN, and EVPN for overlay/underlay networks.
VXLAN Gateway
Acts as L2/L3 gateway for VXLAN deployments and MC-LAG, bridging virtualized and bare-metal servers with rich Junos OS protocol support.
Aggregation Layer
Aggregates 10GbE server access to 100GbE core uplinks, handling 1.32 Bpps forwarding rate for enterprise data centers.

Frequently asked questions

Details

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Supported Transceiver Types	SFP+ 10GbE optical modules; SFP GbE optical and copper modules; QSFP+ optics (SR4, LX4, ESR4, IR, LR4); QSFP28 optics (SR4, CWDM4, LR4)

Active Optical Cable Support	QSFP+ AOC (1/3/5/7/10/15/20/30 m); QSFP28 AOC (10 m)

Switching Capacity	176 Gbps
Aggregate Throughput	1.76 Tbps (with 40GbE uplinks); 1.32 Tbps (with 100GbE uplinks)

Power Consumption

Max Wattage	300 W (AFI/AFO models)
Power Supplies	Dual redundant (1+1) hot-pluggable AC or DC power supplies
Idle Power Load	150 W (AFI/AFO models)
Typical Power Load	195 W (AFI/AFO models)
Voltage Input - AC	110-240 V single phase AC
Voltage Input - DC	-36 to -72 V DC

Rack Units	1U
Form Factor	1U rack-mount switch

Environmental

Airflow Direction	AFI = Air In (front-to-back); AFO = Air Out (back-to-front)
Operating Humidity	10% to 90% non-condensing
Storage Temperature	-40°C to 70°C
Operating Temperature	0°C to 40°C

Interface/Ports

USB Port	1x USB 2.0 port
Console Port	1x RS-232 console port
Management Ports	2x management ports (2x SFP fiber or 1x RJ-45 and 1x copper SFP)
Management Interface	Out-of-band management via Ethernet or serial console
Ethernet Ports - SFP+	48x 10GbE SFP+ ports for server connectivity
Ethernet Ports - QSFP28	4x QSFP28 ports configurable as 4x 10GbE, 4x 40GbE, or 100GbE

Juniper QFX5110-48S-AFI 48x10GbE SFP+ 4xQSFP28 L3 Switch