| Specification | Details |
|---|---|
| Model | EX4300-48T |
| Brand | Juniper |
| Description | Juniper EX4300 switch with 48-port 10/100/1000BASE-T + 350 W AC PS (QSFP+ DAC for Virtual Chassis ordered separately) |
| Form factor | Fixed platform Virtual Chassis configuration of up to 10 switches |
| Dimensions (W × H × D) | 17.4 × 1.7 × 16.4 in (44.2 × 4.3 × 41.7 cm) 1 rack unit |
| Backplane speed | 320 Gbps (Virtual Chassis) |
| Data rate | 496 Gbps |
| Throughput | 369 Mpps (wire speed) |
| 40GBASE QSFP+ port densities | 4 per switch Up to 20 in Virtual Chassis configuration (assuming 2 ports per switch used for VC) |
| 100GBASE CFP port densities | N/A |
| Resiliency | Internal, hot-swappable redundant power supply Field-replaceable fans Graceful Routing Engine Switchover (GRES) in Virtual Chassis configuration |
| Operating system | Junos OS |
| Traffic monitoring | sFlow |
| QoS queues per port | 12 |
| MAC addresses | 64,000 |
| Jumbo frames | 9216 bytes |
| IPv4 unicast / multicast routes | 32,000 / 8,000 |
| IPv6 unicast / multicast routes | 18,000 / 4,000 |
| Number of VLANs | 4093 |
| ARP entries | 64,000 |
