Name: QFX5220-128C-AFO Juniper 128 QSFP+/QSFP28 40/100G Layer 2 Managed Switch
Brand: Juniper
SKU: QFX5220-128C-AFO
Price: 1.00 USD
Availability: InStock
Rating: 4.8 (118 reviews)

Product Overview
The QFX5220-128C-AFO network switch provides an extensive set of high-speed ports and Layer 2 managed capabilities within a 4U rack-mountable design. It fits well in environments demanding substantial throughput and port density, offering efficient cooling through front-to-back airflow. This switch delivers network connectivity that balances performance and manageability without unnecessary complexity.

General Information
Brand	Juniper
Condition	Refurbished

Technical Information
Switch Type	Layer 2, Layer 3, Managed Switch
Form Factor	Rack-Mountable
Switch Ports	128 x QSFP+/QSFP28, 2 x SFP+ (front-panel)
Number of Ports	2-Ports
Port Type	10G SFP+, 25G SFP28, 40G QSFP+, 100G QSFP28, USB Console, Serial Console (RJ-45)
Port Speed	100Gbps,40Gbps,25Gbps,10Gbps
POE Support	No
Switching Capacity	25.6 Tbps
Switch Forwarding Rate	50,000 Mpps
VLAN Support	Yes
Max VLANs Supported	4094
Stackable	No
Layer Support	Layer 2, Layer 3
Connector Type	QSFP+/QSFP28,SFP+,USB Console,RJ-45 Console

Performance
Jumbo Frame Support	Up To 9216 Bytes

Management and Configuration
Routing Protocols	Static, OSPF
Remote Protocols	Yes
Management Interfaces	Console (RJ-45), USB Console, 1x 1GbE management port, Serial Console (RJ-45)
Security Features	RADIUS/TACACS+, 802.1X, ACLs, MAC limiting, Storm control, SSH, SSL
Management Type	Junos OS, CLI, Web UI, NETCONF
Remote Management Protocol	SNMPv1/v2/v3, SSH, NETCONF, REST, Syslog

Power & Cooling
Fans	Front-to-back airflow, field-replaceable hot-swappable fans
Power Supply	Dual hot-swappable AC power supplies (redundant)

Physical Characteristics
Weight	3.00
Operating Temperature	0°C to 40°C

Miscellaneous
Assembly Required	No
Compliance Standards	RoHS, CE, FCC, UL, cULus
Compliant Standards	IEEE 802.1Q,IEEE 802.1p,IEEE 802.3ae,IEEE 802.3ba,IEEE 802.3x

Product Description
The QFX5220-128C-AFO is a high-density network switch designed to handle demanding data center environments. It delivers a robust Layer 2 switching platform that supports large-scale 40 and 100GbE connectivity, enabling efficient data transfer across extensive network fabrics. Often found in enterprise and service provider networks, this switch is built for scenarios that require high port counts and reliable performance. Network administrators and IT professionals benefit from its scalable architecture and managed features that simplify deployment and monitoring. Key Features Offers 128 high-speed QSFP+/QSFP28 ports optimized for 40/100GBase-X traffic Includes 2 SFP+ ports providing flexible 10G uplink options Supports Layer 2 protocols with comprehensive management capabilities Designed with a 4U form factor suited for standard rack environments Front-to-back airflow ensures consistent thermal management in data centers This network switch plays a crucial role in maintaining efficient data flow in complex infrastructures. Its reliable throughput and stable operation help maintain the integrity of network communications under heavy loads. Maintenance and configuration are streamlined to support ongoing operational needs without compromising performance or uptime.

Use Cases
The QFX5220-128C-AFO switch is typically deployed in data centers and high-capacity network cores where large-scale 40G and 100G connectivity is needed. It benefits environments requiring dense port configurations and reliable Layer 2 switching capabilities. How It's Used: Data center aggregation layers requiring high port density for east-west traffic Enterprise core networks supporting virtualization and server farms Service provider environments managing large-scale 100GbE transport High-performance computing clusters needing low-latency, high-throughput switching Cloud infrastructure platforms demanding scalable and manageable network fabrics Its ability to integrate seamlessly into rack deployments with efficient airflow helps sustain performance and operational stability. The switch supports evolving network requirements by providing flexible connectivity and straightforward management.