EX3400-48T - Juniper Networks

The Juniper EX3400-48T is a 1U fixed-configuration Ethernet switch designed for enterprise access and aggregation layers. It offers high performance, scalability, and advanced features suitable for modern network infrastructures.​

Hardware Specifications

• Ports:

  • 48 x 10/100/1000BASE-T (Gigabit Ethernet) ports

  • 4 x 1/10GbE SFP/SFP+ uplink ports

  • 2 x 40GbE QSFP+ uplink ports​

• Switching Capacity:

  • 168 Gbps (unidirectional) / 336 Gbps (bidirectional)

• Forwarding Rate:

  • 250 million packets per second (Mpps)​

• CPU:

  • Dual-core 1 GHz processor

• Memory:

  • 2 GB DRAM with ECC

  • 2 GB flash storage​

• Airflow:

  • Front-to-back airflow (model-specific)​

• Dimensions:

  • 44.1 cm (W) x 4.37 cm (H) x 35 cm (D)

  • With power supply installed: 44.1 cm (W) x 4.37 cm (H) x 38.24 cm (D)

• Weight:

  • 4.64 kg (without power supply or fan modules)

Software and Features

• Layer 2 Features:

  • Supports up to 32,000 MAC addresses

  • Jumbo frames up to 9216 bytes

  • 4,096 VLANs

  • IEEE 802.1D (Spanning Tree Protocol), IEEE 802.1Q (VLAN tagging), IEEE 802.1X (Port Access Control), and more

• Layer 3 Features:

  • 36,000 IPv4 unicast routes / 4,000 IPv4 multicast routes

  • 18,000 IPv6 unicast routes / 2,000 IPv6 multicast routes

  • Routing capabilities with Virtual Chassis support​

• Quality of Service (QoS):

  • 8 unicast and 4 multicast queues per port​

• Traffic Monitoring:

  • sFlow support for network monitoring​

• Virtual Chassis:

  • Allows up to 10 EX3400 switches to operate as a single logical device​

Power and Energy Efficiency

• Power Supply:

  • Single 150W AC power supply included

• Maximum Power Consumption:

  • 120W (without PoE)

• Energy Efficiency:

  • Energy Efficient Ethernet (EEE) capability​