Name: QFX5100-48S-D-3AFO Juniper 48-Port 10GbE SFP+ 6-Port 40Gb QSFP+ Switch
Brand: Juniper Networks
SKU: QFX5100-48S-D-3AFO
Price: 1232.77 USD
Availability: InStock
Rating: 4.8 (118 reviews)

Product Overview
The QFX5100-48S-D-3AFO is a versatile data center switch providing a mix of 10GbE and 40GbE ports designed to support high-speed connectivity and low-latency switching. It fits well in racks requiring dense 10GbE aggregation along with scalable uplinks, offering consistent performance for demanding network infrastructures.

General Information
Brand	Juniper Networks
Condition	Refurbished

Technical Information
Switch Type	Layer 2, 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	10G SFP+, 40G QSFP+
Port Speed	10Gbps,40Gbps
UpLink Ports	6
POE Support	No
Switching Capacity	1.44 Tbps
Switch Forwarding Rate	2.14 Mpps
VLAN Support	Yes
Max VLANs Supported	1-4094 (4094 IDs)
Stackable	Yes
Layer Support	Layer 3
Connector Type	SFP+,QSFP+,RJ-45,USB Console,Serial Console (RJ-45)

Performance
Latency	<2 microseconds
Jumbo Frame Support	Up To 9216 Bytes
MAC Address Table Size	160000

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	CLI (Junos OS),Web UI,SNMP,NETCONF,SSH
Security Features	802.1X,ACLs,MAC limiting,IP Source Guard,SSH,RADIUS,TACACS+
Management Type	Managed
Remote Management Protocol	SNMP,NETCONF,SSH

Power & Cooling
Fans	Front-to-back, redundant, hot-swappable fans (3)
Power	AC 100-240V, 50-60Hz
Power Supply	Dual hot-swappable AC power supplies (100-240V)

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

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

Product Description
The QFX5100-48S-D-3AFO is a high-capacity network switch designed to handle demanding data center environments. It is commonly found in enterprise and service provider networks where high throughput and low latency are critical. Network architects and administrators benefit from its flexible port configuration and robust performance. Key Features Supports 48 SFP+ ports for versatile 10GbE connections and 6 QSFP+ ports for scalable 40GbE uplinks Delivers wire-speed switching with minimal latency suitable for virtualization and storage traffic Designed for efficient power and thermal management in dense rack environments Equipped with advanced hardware to support diverse network topologies and protocols Facilitates seamless integration into existing Juniper network infrastructures This switch plays a key role in aggregating and distributing data traffic reliably across the network. Its robust architecture helps ensure consistent performance and operational stability in complex IT environments. With its balance of capacity and efficiency, it effectively meets the demands of modern data centers.

Use Cases
The QFX5100-48S-D-3AFO is often deployed in enterprise data centers and service provider networks where high bandwidth and low latency are essential. Organizations that require scalable, reliable switching for virtualized environments or storage networks find this switch particularly valuable. How It's Used: Aggregation layer switch in enterprise campus and data center networks Top-of-rack switch for high-performance server connectivity in virtualized environments Edge switch in service provider networks managing 10GbE client connections Supporting storage clusters with low-latency, high-throughput switching Scalable uplink aggregation for cloud infrastructure deployments This product supports network efficiency by delivering consistent throughput and low latency, helping maintain operational continuity and scalability in complex network environments.