Name: EX4300-48T-AFI Juniper 48-Port 10/100/1000Base-T + 4 QSFP+ 1U Layer 3 Switch
Brand: Juniper Networks
SKU: EX4300-48T-AFI
Price: 229.00 USD
Availability: InStock
Rating: 4.8 (119 reviews)

Product Overview
The EX4300-48T-AFI from Juniper Networks combines 48 gigabit Ethernet ports with 4 QSFP+ uplinks, making it a solid choice for enterprise networks that need both capacity and flexibility. It fits neatly into a 1U rack slot and supports Layer 3 switching to manage routing between VLANs and subnets directly within the switch. This model is often used to connect a broad range of devices while providing the backbone uplinks necessary for seamless network operation.

General Information
Brand	Juniper Networks
Part Number	EX4300-48T-AFI
Condition	Refurbished

Technical Information
Switch Ports	48
Number of Ports	48-Ports
Port Type	10/100/1000Base-T, SFP+
Port Speed	10/100/1000Base-T
UpLink Ports	4
POE Support	No
Switching Capacity	176 Gbps
Switch Forwarding Rate	130.95 Mpps
VLAN Support	Yes
Max VLANs Supported	1-4094
Stackable	Yes
Layer Support	Layer 3
Connector Type	RJ-45,SFP+

Performance
Jumbo Frame Support	Up To 9216 Bytes
MAC Address Table Size	32,000

Management and Configuration
Routing Protocols	Static, RIP, OSPF, OSPFv3, BGP, VRRP, PIM-SM, IGMP
Remote Protocols	Yes
Management Type	Command Line (CLI), Web-based, SNMP
Remote Management Protocol	SSH,Telnet,HTTP,HTTPS,SNMPv2c,SNMPv3,NETCONF

Power & Cooling
Fans	Variable-speed, redundant (field-replaceable)

Physical Characteristics
Weight	5.00
Operating Temperature	0°C to 40°C (32°F to 104°F)

Miscellaneous
Compliance Standards	WEEE, RoHS, CE, FCC, UL, TUV, cULus
Compliant Standards	IEEE 802.3,IEEE 802.3u,IEEE 802.3ab,IEEE 802.1Q,IEEE 802.1p,IEEE 802.3x,IEEE 802.1D

Product Description
The EX4300-48T-AFI is a versatile network switch designed to handle demanding enterprise environments. It offers 48 copper ports that provide reliable gigabit connections, paired with 4 high-speed QSFP+ uplink ports that support flexible network growth. Built for data centers and campus networks, this switch enables Layer 3 routing, making it suitable for complex network topologies. Often found in medium to large-sized organizations, network administrators rely on the EX4300-48T-AFI for its balance of performance and manageability. Its rack-mountable form factor suits crowded equipment rooms where space and organization are essential. Key Features High-density 48-port gigabit capacity to connect numerous devices 40GbE QSFP+ ports allow for fast aggregation and uplink options Layer 3 functionality supports dynamic routing protocols and segmentation Efficient 1U size eases integration into existing rack setups Robust software features streamline network management and security This switch typically serves in data center access layers or core distribution points, handling traffic from servers, storage, and end-user devices. Its routing capabilities and uplink speeds help maintain smooth data flows even in busy networks. Deployments benefit from reduced latency and improved network reliability without sacrificing rack space.

Use Cases
The EX4300-48T-AFI is ideal for enterprise network environments requiring robust Layer 3 capabilities combined with high port density. It serves well in data center top-of-rack deployments or campus networks where managing multiple VLANs and high throughput uplinks is essential. IT teams benefit from its modular uplink options and compact 1U form factor suited for dense rack installations. How It's Used: Aggregating server and storage traffic in medium to large data centers leveraging Layer 3 routing for segmentation and control. Providing access layer connectivity in enterprise campus networks with integration into existing routed infrastructures. Supporting virtualization environments by enabling efficient east-west traffic flow between virtual machines and storage arrays. Deploying in remote or branch offices requiring scalable uplinks back to central sites while maintaining local switching intelligence. Enabling edge computing deployments where compact, high-port-density switches facilitate local processing with uplinks to core data centers. By integrating both high-density gigabit ports and 40GbE uplinks, the EX4300-48T-AFI enhances operational efficiency in complex network topologies. Its Layer 3 capabilities allow direct routing and segmentation, reducing dependency on external routers and improving traffic management across distributed environments.