Name: QFX5120-48T-AFO-T Juniper 48x RJ45 10GbE 6x QSFP28 100GbE Switch
Brand: Juniper Networks
SKU: QFX5120-48T-AFO-T
Price: 3048.75 USD
Availability: InStock
Rating: 4.8 (119 reviews)

Product Overview
The QFX5120-48T-AFO-T combines 48 RJ45 10GbE ports with 6 QSFP28 100GbE uplinks, delivering high-capacity switching suitable for modern data center and enterprise networks. It fits where scalable, low-latency, and versatile connectivity is required to support complex network architectures without compromising on performance.

General Information
Brand	Juniper Networks
Condition	Refurbished

Technical Information
Switch Type	Layer 3, Managed Switch, Stackable Switch, Gigabit Switch
Form Factor	Rack-Mountable
Mount Type	1U Rack
Switch Ports	48
Number of Ports	48-Ports
Port Type	10GBase-T, 40G QSFP+, 100G QSFP28, USB Console, Serial Console (RJ-45)
Port Speed	10 Gbps,40 Gbps,100 Gbps
UpLink Ports	6
POE Support	No
VLAN Support	Yes
Max VLANs Supported	1-4094
Stackable	Yes
Layer Support	Layer 2, Layer 3
Connector Type	RJ-45,QSFP / QSFP+,100G QSFP28

Performance
Jumbo Frame Support	Up To 9216 Bytes

Management and Configuration
Routing Protocols	Static, RIP, OSPF, OSPFv3, BGP, VRRP, PIM-SM, IGMP, MLD
Remote Protocols	Yes
Management Interfaces	CLI,Web UI,SSH,HTTPS,Serial Console (RJ-45),SNMP,NETCONF,REST API
Security Features	802.1X,ACLs,MAC filtering,Port security,Storm control,DHCP snooping,Dynamic ARP Inspection
Management Type	In-band and Out-of-band
Remote Management Protocol	SSH,HTTPS,Telnet,SNMP,NETCONF,REST
Routing Protocol	Yes

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

Miscellaneous
Eco Friendly	Yes
Assembly Required	No
Compliance Standards	WEEE, RoHS, CE, FCC, UL, TUV, cULus
Compliant Standards	IEEE 802.3,IEEE 802.3ab,IEEE 802.3ae,IEEE 802.1Q,IEEE 802.1p,IEEE 802.1X,IEEE 802.3az

Product Description
The QFX5120-48T-AFO-T is a high-density Ethernet switch designed to deliver robust connectivity with 48 RJ45 10 Gigabit Ethernet ports and 6 QSFP28 uplink ports capable of 100Gbps. It is commonly found in data centers and enterprise network cores where reliable, scalable switching is essential. Built for network engineers and IT teams who require consistent performance and versatility, this switch integrates advanced networking protocols and high bandwidth capacity to handle demanding traffic loads. It is often deployed in environments where efficient data handling and network resiliency are priorities. Key Features Offers 48 copper 10GbE ports along with 6 high-speed QSFP28 ports for uplinks or stacking Includes comprehensive Layer 2 and Layer 3 functionality for flexible network design Delivers low latency suitable for high-speed data center applications Supports network segmentation and virtualization features for optimized traffic management Designed to integrate with Juniper’s network operating system for streamlined operations This switch provides dependable throughput and network stability, making it a solid component for building scalable and manageable network infrastructures. Its design caters to both performance and operational efficiency, which is critical for maintaining seamless network operations.

Use Cases
The QFX5120-48T-AFO-T is typically deployed in medium to large data centers and enterprise network aggregation layers. It benefits IT teams needing reliable high-speed Ethernet connections with flexible uplink options to accommodate growing bandwidth demands. How It's Used: Aggregation and spine layer in data centers supporting virtualization and cloud workloads Enterprise campus network core requiring a mix of 10GbE and 100GbE port configurations High-performance connectivity for storage clusters in distributed computing environments Edge computing setups demanding low latency and robust port density Networks integrating multi-vendor environments with advanced routing and switching features In these settings, the switch helps maintain network efficiency and scalability, supporting evolving infrastructure needs while ensuring consistent throughput and operational reliability for critical business applications.