EX4300 24T 24-Port Gigabit Layer 3 Switch with 10G Uplinks
Product Overview
The EX4300-24T is a 24-port Layer 3 managed switch from Juniper Networks, designed for enterprise access, aggregation, and campus distribution networks. It features 24 fixed 10/100/1000BASE-T ports, 4 x 1G/10G SFP/SFP+ uplink ports, and supports Virtual Chassis technology to interconnect up to 10 switches as one logical device. Powered by Junos OS, the EX4300-24T delivers high performance, scalability, and robust Layer 2 and Layer 3 features.
Product Details
| Attribute | Description |
| Product Name | EX4300-24T |
| Brand | Juniper Networks |
| Downlink Ports | 24 x 1G RJ-45 (10/100/1000BASE-T) |
| Uplink Ports | 4 x 1G/10G SFP/SFP+ |
| Switching Capacity | 320 Gbps |
| Forwarding Rate | 238 Mpps |
| Virtual Chassis | Supported, up to 10 members |
| Stacking Ports | 2 x 40G QSFP+ (dedicated for VC) |
| Layer Support | Layer 2 and Layer 3 |
| Power Supply | Hot-swappable, field-replaceable AC or DC |
| Operating System | Junos OS |
| Form Factor | 1U rack-mountable |
| Airflow | Front-to-back or back-to-front depending on SKU |
Key Features
24 non-PoE Gigabit Ethernet ports with 4 high-speed SFP+ uplinks
Supports Virtual Chassis technology for stacking up to 10 switches
Dedicated QSFP+ ports for stacking, eliminating uplink port sacrifice
Advanced Layer 3 routing capabilities including OSPF, BGP, PIM
Ideal for enterprise edge, campus access, or top-of-rack deployments
Redundant hot-swappable power supply and fans for high availability
Flexible deployment with AC or DC power models
Secure access with MACsec, Dynamic ARP Inspection, and DHCP Snooping
Technical Specifications
| Specification | Value |
| Access Ports | 24 x 1G RJ-45 |
| Uplink Ports | 4 x 10G SFP/SFP+ |
| Virtual Chassis Ports | 2 x 40G QSFP+ |
| Switching Capacity | 320 Gbps |
| Forwarding Rate | 238 Mpps |
| Power Options | AC or DC, hot-swappable |
| Operating System | Junos OS |
| Form Factor | 1U rack-mountable |
| Operating Temperature | 0°C to 45°C |
Similar Models Comparison
| Model | Access Ports | Uplink Ports | Virtual Chassis | Power Supply | Use Case |
| EX4300-24T | 24 x 1G RJ-45 | 4 x 10G SFP+ | Yes (10 switches) | Hot-swappable | Enterprise edge or aggregation |
| EX4300-48T | 48 x 1G RJ-45 | 4 x 10G SFP+ | Yes | Hot-swappable | Campus aggregation, core access |
| EX4300-24P | 24 x 1G PoE+ | 4 x 10G SFP+ | Yes | Hot-swappable | VoIP and wireless access edge |
| EX3400-24T | 24 x 1G RJ-45 | 4 x 10G SFP+ | Yes (4 switches) | Built-in | Cost-effective access layer |
