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Ethernet Switches Juniper EX4300 Series

Discover unparalleled performance and reliability with Juniper's EX4300 Series Ethernet Switches. Engineered for seamless network scalability and robust security, our advanced switch solutions empower your digital infrastructure.

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Juniper Ex4300 Series Ethernet Switches

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Questions & Answers

What is the Juniper EX4300 Series Ethernet Switch?

The Juniper EX4300 Series Ethernet Switch is a high-performance, top-of-rack and campus access switch family running Junos OS, offering advanced Layer 2/3 features and Virtual Chassis scalability.

What port density and speed options are available on EX4300 switches?

EX4300 switches provide 24 or 48 fixed 1 GbE ports with four integrated 10 GbE SFP+ uplinks and optional 40 GbE QSFP+ uplink modules for flexible bandwidth scaling.

How does Virtual Chassis technology enhance EX4300 deployments?

Virtual Chassis technology lets you interconnect up to 10 EX4300 units over dedicated ports or fiber links, creating a single logical switch for simplified management and seamless Layer 2/3 forwarding.

Which PoE and PoE+ capabilities does the EX4300 Series support?

The EX4300-P models deliver up to 30 W per port, supporting IEEE 802.3af/at PoE/PoE+ with a total power budget of 1440 W for IP phones, cameras, and wireless access points.

What power supply options are available for EX4300 switches?

EX4300 switches can be equipped with redundant AC or DC power supplies, offering field-replaceable modules with 690 W to 1440 W capacity for high availability.

What software features and protocols are supported on EX4300?

Running Junos OS, the EX4300 Series supports OSPF, BGP, VRRP, MLAG, EVPN-VXLAN, QoS, and extensive automation via Juniper’s APIs, ensuring robust Layer 2/3 operation.

Can EX4300 switches be deployed in data center fabrics?

Yes, the EX4300 Series supports Virtual Chassis Fabric, enabling low-latency, large-scale leaf-spine architectures with active-active uplinks and unified management.

How are EX4300 switches managed and monitored?

EX4300 switches offer CLI, J-Web GUI, Junos Space management, as well as NETCONF, SNMP, and streaming Telemetry for comprehensive visibility and automation.

What security and access control features do EX4300 switches provide?

EX4300 switches include DHCP snooping, Dynamic ARP Inspection, MAC limiting, storm control, port security, and IEEE 802.1X to safeguard network integrity.

What is the maximum switching capacity and throughput of the EX4300?

Each EX4300 delivers up to 176 Gbps switching capacity and 130 Mpps forwarding rate, ensuring wire-speed performance for demanding enterprise environments.

How energy efficient are the Juniper EX4300 switches?

EX4300 switches feature Energy Efficient Ethernet (IEEE 802.3az), variable-speed fans, and power-scaling PoE allocation to minimize power consumption and operating costs.

What latency can customers expect from EX4300 switches?

EX4300 switches provide sub-2 microsecond port-to-port latency, delivering high performance for real-time applications and storage connectivity.

What licensing model applies to the EX4300 Series?

The EX4300 Series uses a perpetual licensing model with all essential Layer 2/3 capabilities included; advanced features like EVPN-VXLAN require optional feature licenses.

What redundancy and failover mechanisms do EX4300 switches support?

EX4300 switches support redundant power, hot-swappable fans and power supplies, Virtual Chassis control-link redundancy, and graceful Routing Engine switchover for nonstop operations.

What warranty and support options are available for EX4300?

Juniper offers a limited lifetime hardware warranty on EX4300 switches and provides Juniper Care support services, including advance hardware replacement and 24×7 software updates.

What are common use cases for the EX4300 Series Ethernet Switches?

The EX4300 Series is ideal for campus access, branch aggregation, and top-of-rack data center deployments where scalability, automation, and high performance are critical.

Juniper Ex4300 Series Ethernet Switches