Juniper EX4300-32FUncategorized

High-Density Fiber Access & Scalable Uplinks — Enterprise-Grade Juniper EX4300-32F.

The Juniper EX4300-32F is a high-performance managed fiber Ethernet switch designed for enterprise fiber access deployments. Featuring 32 SFP fiber ports, 4×10 GbE SFP+ uplinks, and 2×40 GbE QSFP+ stacking/backsone ports, it delivers robust connectivity and scalability for campus, data center, and enterprise network environments. Powered by Juniper’s Junos OS, the EX4300-32F supports advanced Layer 2 switching, Layer 3 routing, enhanced security controls, and Virtual Chassis technology — enabling up to 10 switches to be managed as a single logical system. Ideal for high-density fiber access networks that demand performance, flexibility, and simplified management.

Model: EX4300-32F
Series: Juniper EX4300 Ethernet Switch
Switch Type: Managed Fiber Access Gigabit Ethernet Switch
Operating System: Juniper Junos OS — enterprise-grade network OS used across Juniper switching and routing products.

Key Features

Ports & Connectivity

• 32 × 100/1000 BASE-X SFP Ports — high-density fiber connectivity for access layer devices.

• 4 × 10 GbE SFP+ Ports — flexible high-speed uplinks for aggregation or server links.

• 2 × 40 GbE QSFP+ Ports — high-capacity links for stacking (Virtual Chassis) or backbone connectivity.

• Uplink Module Slot — supports optional uplink modules (e.g., EX-UM-8X8SFP or EX-UM-2QSFP) for additional 10 GbE or 40 GbE connectivity.

Performance & Capacity

• Switching Capacity: ~464 Gbps overall.

• Forwarding Rate: ~345 Mpps (million packets per second).

• MAC Address Table: ~64,000 entries.

• Jumbo Frame Support: Up to 9216 bytes.

• Virtual Chassis: Stack up to 10 EX4300 switches as one logical device using QSFP+ ports.

Layer 2 / Layer 3 & Software Features

• Layer 2 switching: VLANs, STP/RSTP/MSTP, link aggregation (LACP), QoS, ACLs.

• Layer 3 routing: Static IPv4/IPv6, RIP, OSPF, BGP and advanced routing supported (depending on Junos OS and licensing).

• Management & Security: CLI (SSH), SNMP, J-Web GUI, RMON, sFlow; security features like DHCP snooping, MAC limiting, DAI, etc. (varies by Junos feature set).

Hardware & Physical Specs

• Form Factor: 1 RU rack-mount chassis.

• Airflow: Front-to-back (data center rack ready).

• Power Supply: Includes a 350 W AC PSU (optional redundant PSU available).

• Fans: Field-replaceable fans support proper cooling in rack environments.

Typical Use Cases

• Fiber-based network access layer for enterprise & campus networks

• High-density fiber aggregation with 10 GbE/40 GbE uplinks

• Virtual Chassis stacking to scale large networks with simplified management