Name: QFX5120-48YM-AFI Juniper 48 SFP28 25GBase-X 8 QSFP28 Rack-Mount Switch
Brand: Juniper Networks
SKU: QFX5120-48YM-AFI
Price: 24829.00 USD
Availability: InStock
Rating: 4.8 (119 reviews)

Product Overview
The QFX5120-48YM-AFI switch offers a robust solution focusing on delivering 25 Gbps connectivity through 48 SFP28 ports, complemented by 8 QSFP28 ports for higher bandwidth needs. It fits seamlessly within rack-mounted setups and supports a broad range of networking protocols, positioning itself as a reliable asset in network topology. Its design balances throughput capacity with efficient power consumption, suitable for scale-out environments.

General Information
Brand	Juniper Networks
Condition	Refurbished

Technical Information
Switch Type	Layer 3, Managed Switch, Stackable Switch
Form Factor	Rack-Mountable
Mount Type	1U Rack
Switch Ports	48 SFP28
Number of Ports	48-Ports
Port Type	25G SFP28, 100G QSFP28, USB Console, Serial Console (RJ-45)
Port Speed	25Gbps (SFP28), 100Gbps (QSFP28 - native or 4x25G breakouts)
UpLink Ports	8 QSFP28 (can operate as 100G or 4x25G)
POE Support	No
Switching Capacity	4 Tbps
VLAN Support	Yes
Max VLANs Supported	4094
Stackable	Yes
Layer Support	Layer 3
Connector Type	SFP28, QSFP28, USB Console, Serial Console (RJ-45)

Performance
Jumbo Frame Support	Up To 9216 Bytes

Management and Configuration
Routing Protocols	Static, RIP, RIPng, OSPF, OSPFv3, BGP, IS-IS, VRRP, PIM-SM, IGMP, MLD, Policy-Based Routing (PBR)
Remote Protocols	Yes
Management Interfaces	Junos CLI (SSH), SNMP, NETCONF, REST, Out-of-band management (RJ-45), USB console
Security Features	802.1X, ACLs, MAC limiting, DHCP snooping, IP Source Guard, Storm control, SSH
Management Type	CLI (Junos), SNMP, NETCONF, REST
Remote Management Protocol	SSH,SNMP,NETCONF,REST

Physical Characteristics
Weight	3.00
Operating Temperature	0°C to 40°C (32°F to 104°F)

Miscellaneous
Eco Friendly	Yes
Assembly Required	No
Compliance Standards	RoHS, CE, FCC, UL
Compliant Standards	IEEE 802.1Q, IEEE 802.3ad (LACP), IEEE 802.1p, IEEE 802.1D, IEEE 802.3x, IEEE 802.1s

Product Description
The QFX5120-48YM-AFI is a high-performance switch designed to provide dense 25G and 100G Ethernet connectivity. Often found in data centers and enterprise network infrastructures, it supports demanding workloads requiring low latency and high throughput. Network engineers and IT professionals commonly use this switch to build scalable and reliable network fabrics. Key Features High port density with 48 SFP28 slots supporting 25 Gbps speeds 8 QSFP28 ports for 40/100 Gbps uplinks and aggregation 1RU chassis that fits standard rack deployments Comprehensive Layer 2 and Layer 3 protocols for versatile network design Energy-efficient design to reduce operational costs This switch plays a vital role in enabling efficient data transport within network infrastructures. Its combination of speed, port density, and protocol support ensures consistent performance and reliability. The design reflects a careful balance between power consumption and throughput, making it well-suited for environments demanding both scalability and stable operation.

Use Cases
The QFX5120-48YM-AFI switch is typically deployed in environments where dense 25G and 100G Ethernet connections are critical. It is favored in data centers and enterprise networks focusing on high bandwidth and low latency. IT teams benefit from its flexibility in network architecture, especially when scaling infrastructure. How It's Used: Aggregating server connections in virtualized data center environments requiring 25G speeds. Providing uplinks to spine switches in leaf-spine network architectures for enterprises. Supporting high-throughput applications in storage clusters with low latency demands. Enabling edge computing nodes with scalable 25G and 100G connectivity options. Deploying in campus networks requiring consistent Layer 2 and Layer 3 forwarding capabilities. This switch supports operational efficiency by offering flexible port configurations and stable performance across diverse workloads. Its scalability and protocol support aid in maintaining network reliability as infrastructure needs evolve.