United States
Q
What is the Juniper EX4300 Series Ethernet Switch?
A
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.
Q
What port density and speed options are available on EX4300 switches?
A
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.
Q
How does Virtual Chassis technology enhance EX4300 deployments?
A
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.
Q
Which PoE and PoE+ capabilities does the EX4300 Series support?
A
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.
Q
What power supply options are available for EX4300 switches?
A
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.
Q
What software features and protocols are supported on EX4300?
A
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.
Q
Can EX4300 switches be deployed in data center fabrics?
A
Yes, the EX4300 Series supports Virtual Chassis Fabric, enabling low-latency, large-scale leaf-spine architectures with active-active uplinks and unified management.
Q
How are EX4300 switches managed and monitored?
A
EX4300 switches offer CLI, J-Web GUI, Junos Space management, as well as NETCONF, SNMP, and streaming Telemetry for comprehensive visibility and automation.
Q
What security and access control features do EX4300 switches provide?
A
EX4300 switches include DHCP snooping, Dynamic ARP Inspection, MAC limiting, storm control, port security, and IEEE 802.1X to safeguard network integrity.
Q
What is the maximum switching capacity and throughput of the EX4300?
A
Each EX4300 delivers up to 176 Gbps switching capacity and 130 Mpps forwarding rate, ensuring wire-speed performance for demanding enterprise environments.
Q
How energy efficient are the Juniper EX4300 switches?
A
EX4300 switches feature Energy Efficient Ethernet (IEEE 802.3az), variable-speed fans, and power-scaling PoE allocation to minimize power consumption and operating costs.
Q
What latency can customers expect from EX4300 switches?
A
EX4300 switches provide sub-2 microsecond port-to-port latency, delivering high performance for real-time applications and storage connectivity.
Q
What licensing model applies to the EX4300 Series?
A
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.
Q
What redundancy and failover mechanisms do EX4300 switches support?
A
EX4300 switches support redundant power, hot-swappable fans and power supplies, Virtual Chassis control-link redundancy, and graceful Routing Engine switchover for nonstop operations.
Q
What warranty and support options are available for EX4300?
A
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.
Q
What are common use cases for the EX4300 Series Ethernet Switches?
A
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.
