Name: QFX3500-48S4Q Juniper 1.28Tbps Layer 2/3 Switch 48x10GbE 4x40GbE
Brand: Juniper
SKU: QFX3500-48S4Q
Price: 596.40 USD
Availability: InStock
Rating: 4.8 (130 reviews)

Product Overview
The Juniper QFX3500-48S4Q is a Layer 2/3 switch offering a switching capacity of 1.28 Tbps. It features 48 10GbE ports and 4 40GbE uplink ports, making it suitable for aggregation and access layer roles in data centers and enterprise networks.

General Information
Brand	Juniper
Condition	Refurbished

Technical Information
Switch Type	Layer 2, Layer 3, Managed Switch
Form Factor	Rack-Mountable
Mount Type	1U Rack
Switch Ports	48
Number of Ports	48-Ports
Port Type	1000Base-T, 25G SFP28, 100G QSFP28, USB Console, Serial Console (RJ-45)
Port Speed	25Gbps,100Gbps
UpLink Ports	4 x 100Gb QSFP28
POE Support	No
Switching Capacity	1.28 Tbps
Switch Forwarding Rate	952 Mpps
VLAN Support	Yes
Max VLANs Supported	4094
Layer Support	Layer 2, 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
Remote Protocols	Yes (Junos OS, CLI, SNMP, NETCONF, RESTCONF)
Management Interfaces	Console (RJ-45), USB Console, Dedicated 10/100/1000Base-T Management Port
Security Features	802.1X, MAC ACLs, DHCP Snooping, IP Source Guard, Storm Control, RADIUS, TACACS+, SSH
Management Type	In-band and Out-of-band (Junos OS)
Remote Management Protocol	SSH, HTTPS, SNMP, NETCONF, RESTCONF

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
Compliant Standards	IEEE 802.3, IEEE 802.1Q, IEEE 802.1p, IEEE 802.3ad (LACP)

Product Description
The Juniper QFX3500-48S4Q is a high-capacity Layer 2 and Layer 3 switch designed to handle demanding data center and enterprise network environments. It provides versatile Ethernet connectivity suitable for aggregation and access layers within modern IT infrastructure. This switch is typically utilized by network administrators and IT professionals managing scalable network architectures requiring a mix of high-speed 10GbE and 40GbE ports. Key Features 1.28 Tbps total switching capacity to accommodate large data throughput 48 10GbE ports offering dense connectivity for servers and storage devices 4 40GbE uplink ports enabling high-bandwidth aggregation Layer 2 and Layer 3 protocol support for flexible network segmentation and routing Compact form factor suited for rack-mount deployment in data centers This switch plays a critical role in network topologies by providing both dense port counts and high uplink bandwidths, supporting efficient traffic management and scalability. It is suitable for environments that demand protocol versatility and substantial data handling capacity.

Use Cases
The QFX3500-48S4Q is commonly deployed in data center and enterprise environments where high port density and layered network functionality are required. It supports workloads that need both high-speed access and aggregation capabilities. How It's Used: As an access switch connecting servers and storage with 10GbE links in data centers Functioning as an aggregation switch leveraging 40GbE uplinks for traffic consolidation Supporting Layer 2 switching and VLAN segmentation within enterprise LANs Implementing Layer 3 routing to facilitate inter-VLAN communication and network segmentation Deploying in rack-mounted network closets for dense networking port availability Utilized by network teams managing scalable and segmented network infrastructures Overall, this switch supports efficient traffic flow and segmentation in environments where a combination of port density and uplink bandwidth is crucial. It aids in network scalability and structured traffic management without introducing unsupported features.

FAQ's
What does the 1.28 Tbps capacity indicate? The 1.28 Tbps switching capacity specifies the maximum total data throughput the QFX3500-48S4Q can handle across all ports simultaneously, supporting high-volume traffic in data center environments. What types of ports are available on the QFX3500-48S4Q? This switch includes 48 ports that support 10 Gigabit Ethernet connections and 4 ports that support 40 Gigabit Ethernet for uplinks, enabling a mix of access and aggregation connectivity. Does the QFX3500-48S4Q support Layer 3 routing? Yes, the switch supports both Layer 2 switching and Layer 3 routing protocols, allowing for network segmentation and inter-VLAN routing within enterprise environments. Can the QFX3500-48S4Q be used in rack-mounted setups? Yes, the switch is designed for rack-mount deployment, making it suitable for installation in standard data center racks or network closets. Who typically uses the Juniper QFX3500-48S4Q switch? Network administrators and IT professionals in data centers and enterprise networks commonly use this switch to manage high-density 10GbE and 40GbE connectivity with Layer 2/3 capabilities. Is the QFX3500-48S4Q suitable for enterprise LANs? Yes, it supports Layer 2 VLAN segmentation and Layer 3 routing, making it appropriate for enterprise local area network deployments requiring both switching and routing functions.