Name: QFX5220-128C-D-AFO Juniper 128 QSFP+/QSFP28 Ports 40/100G Layer 2 Switch
Brand: Juniper Networks
SKU: QFX5220-128C-D-AFO
Price: 1.00 USD
Availability: InStock
Rating: 4.8 (119 reviews)

Product Overview
The QFX5220-128C-D-AFO offers a comprehensive solution for high-capacity Layer 2 switching. It fits well within data center racks where dense 40G and 100G connectivity is required. With its combination of numerous QSFP+/QSFP28 ports and a couple of SFP+ options, it supports diverse networking needs while maintaining efficient airflow and cooling.

General Information
Brand	Juniper Networks
Condition	Refurbished

Technical Information
Switch Type	Layer 2, Managed Switch
Form Factor	Rack-Mountable
Switch Ports	QSFP+,QSFP28,SFP+
Port Type	40G QSFP+, 100G QSFP28, SFP+
Port Speed	40G,100G,10G
UpLink Ports	2 x SFP+
POE Support	No
Switching Capacity	25.6 Tbps
VLAN Support	Yes
Max VLANs Supported	4094
Stackable	No
Layer Support	Layer 2
Connector Type	QSFP+,QSFP28,SFP+

Performance
Jumbo Frame Support	Up To 9216 Bytes

Management and Configuration
Remote Protocols	Yes
Management Interfaces	Console (RJ-45), Out-of-Band Management (10/100/1000Base-T), USB, Ethernet management
Management Type	Junos CLI, J-Web, SNMP, NETCONF
Remote Management Protocol	SSH,HTTPS,SNMP,NETCONF

Power & Cooling
Fans	Front-to-Back Airflow (hot-swappable)

Physical Characteristics
Weight	3.00

Miscellaneous
Assembly Required	No

Product Description
The QFX5220-128C-D-AFO is a high-density network switch designed for demanding data center and enterprise environments. It is commonly found in setups requiring substantial 40 and 100 Gigabit Ethernet connectivity, offering a blend of performance and scalability. Built for network engineers and IT teams, it simplifies managing large-scale Layer 2 networks with robust hardware and airflow design. Key Features Delivers up to 128 high-speed QSFP+/QSFP28 ports optimized for 40G and 100G traffic Includes 2 SFP+ ports to support 10G Ethernet connections Layer 2 managed capabilities enable efficient VLAN and switching management 4U rack-mount form factor fits standard data center racks Front-to-back airflow supports effective cooling in hot-aisle/cold-aisle configurations This switch plays an essential role in network infrastructure by providing reliable high-throughput switching with energy-efficient cooling. Its design and performance make it a practical choice for maintaining network stability and accommodating growth in complex environments.

Use Cases
The QFX5220-128C-D-AFO is typically deployed in data center core or aggregation layers where high port density and performance are critical. It's designed for environments requiring robust Layer 2 switching and broad 40/100G connectivity options, beneficial for network teams managing large-scale infrastructure. How It's Used: Serving as a core switch in enterprise data centers with heavy east-west traffic Aggregating high-speed links in hyperscale and cloud provider networks Supporting virtualization environments needing large 40G/100G bandwidth Fitting into 4U rack spaces with strict cooling requirements through front-to-back airflow Connecting storage clusters with low latency and high throughput By handling dense port requirements and providing managed Layer 2 switching, this product supports operational efficiency and scalability. Its airflow design also ensures consistent performance in temperature-sensitive deployments.