Name: QFX5100-48S-AFO Juniper QFX5100 Series 48 x 10GBase-X SFP+ Ports + 6 x QSFP+ Uplink Ports Layer 3 Managed 1U Rack-Mountable Back-To-Front Airflow Network Switch
Brand: Juniper Networks
SKU: QFX5100-48S-AFO
Price: 737.00 USD
Availability: InStock
Rating: 4.9 (108 reviews)

Product Overview
The Juniper QFX5100-48S-AFO is a Layer 3 network switch offering 48 10GBase-X SFP+ ports along with 6 QSFP+ uplinks, tailored for data center and enterprise deployments. Its design supports high-density 10GbE access and flexible 40GbE uplinks, with back-to-front airflow that suits modern rack cooling setups. This switch is well-suited for environments requiring advanced routing and efficient hardware layouts.

General Information
Brand	Juniper Networks
Part Number	QFX5100-48S-AFO
Condition	Refurbished

Technical Information
Switch Ports	48 x 10GBase-X SFP+, 6 x 40G QSFP+
Number of Ports	48-Ports
Port Speed	1 Gbps,10 Gbps,40 Gbps
Switching Capacity	1.44 Tbps
Switch Forwarding Rate	1.44 Tbps switching capacity (full-duplex); 1,071.4 Mpps forwarding rate (64-byte packets)
DRAM	8 GB
Flash Memory	16 GB
Max VLANs Supported	4094
Connector Type	48 x 10G SFP+ ports; 6 x 40G QSFP+ uplink ports (SFP+, QSFP+)

Performance
Latency	Cut-through switching; low latency (sub-microsecond to single-digit microseconds depending on packet size and mode)
Jumbo Frame Support	Up To 9216 Bytes

Management and Configuration
Security	802.1X, ACLs, MAC filtering
Remote Management Protocol	SNMPv1/v2c/v3, SSH, HTTPS, Telnet, NETCONF
Routing Protocol	BGP, OSPF, RIP, IS-IS, Static Routing

Power & Cooling
Fans	Front-to-Back Airflow, Hot-swappable fans
Power	AC input 100–240 VAC, 50–60 Hz; maximum power draw ~580 W (platform- and configuration-dependent)

Physical Characteristics
Dimensions	1.73 x 17.5 x 18.5 in (44 x 445 x 470 mm) — 1U rack-mountable
Weight	3.00
Operating Temperature	0°C to 40°C (32°F to 104°F)

Miscellaneous
Eco Friendly	Yes
Assembly Required	Yes
Compliance Standards	WEEE, RoHS, CE, FCC, UL, TUV
Compliant Standards	IEEE 802.3, IEEE 802.1Q, IEEE 802.1p, RoHS, CE, FCC, UL

Product Description
The Juniper QFX5100-48S-AFO is a powerful network switch designed for data centers and enterprise networks requiring high-performance and flexible connectivity. It provides a full set of Layer 3 features, making it suitable for complex networking environments that demand efficient routing and switching. Often found in environments that need dense 10GbE access and 40GbE uplinks, this switch is built for network engineers who manage scalable and resilient infrastructures. Its back-to-front airflow design helps optimize cooling in modern rack setups. Key Features Compact 1U form factor fits standard racks without compromising port density Supports advanced Layer 3 protocols to simplify network management Back-to-front airflow aligns with data center cooling standards High port count enables aggregation of multiple devices with 10G links QSFP+ uplinks provide flexible 40GbE connectivity options This switch is commonly deployed in data center top-of-rack configurations or in enterprise core and aggregation layers. Its robust routing features and port density make it a practical choice for environments where both performance and manageability are key.

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