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EX4200 Ethernet Switch


EX4200 Overview:

The EX4200 switches with Virtual Chassis technology combine the availability and reliability of modular systems with the economics and flexibility of stackable switches, delivering a high-performance, scalable solution for data center and campus environments.

High-performance businesses demand high-performance networking solutions. These solutions include a new class of secure, scalable and always-on enterprise switch that advances the economics of networking by enabling businesses to deploy innovative new technologies that increase revenue and improve productivity. The Juniper Networks EX4200 line of Ethernet switches with Virtual Chassis technology combine the compact, pay-as-you-grow economics and low power and cooling requirements of stackable switches with the performance, availability, operational ease and port densities of chassis-based platforms to meet the demands of today’s high-performance enterprises.

The Juniper Networks EX4200 line of Ethernet switches with Virtual Chassis technology combine the high availability (HA) and carrier-class reliability of modular systems with the economics and flexibility of stackable platforms, delivering a high-performance, scalable solution for data center, campus and branch office environments.

Offering a full suite of Layer 2 and Layer 3 switching capabilities as part of the base software, the EX4200 satisfies a variety of high-performance applications, including branch, campus and data center access deployments as well as Gigabit Ethernet (GbE) aggregation deployments. A single 24-port or 48-port switch can be deployed initially; as requirements grow, Juniper Networks Virtual Chassis technology allows up to 10 EX4200 switches to be interconnected over a 128 gigabit-per-second (Gbps) backplane and managed as a single device, delivering a scalable, pay-as-you-grow solution for expanding network environments. Flexible Gigabit Ethernet (GbE) and 10-Gigabit Ethernet (10 GbE) uplink options enable high-speed connectivity to aggregation- or core-layer switches which connect multiple floors or buildings.

All EX4200 switches include HA features such as redundant, hot-swappable internal power supplies and field-replaceable, multi-blower fan trays to ensure maximum uptime. In addition, the base EX4200 switch models offer Class 3 Power over Ethernet (PoE), delivering 15.4 watts on the first eight ports to support networked devices such as telephones, video cameras and wireless LAN (WLAN) access points for low-density converged networks. Full PoE options delivering 15.4 watts on all 24 or 48 ports are also available, making them ideal for high-density IP telephony deployments.

Juniper Networks Virtual Chassis Technology: Chassis-like Switch Features in a Stackable Form Factor

  • Redundant, internal hot-swappable power supplies
  • Hot-swappable fan tray with redundant blowers
  • Consistent modular JUNOS Software control plane feature implementation
  • Dual Route Engines with Graceful Routing Engine Switchover (GRES)
  • Single management interface
  • Easy, centralized software upgrades
  • Scales from 24 to 480 ports with up to 20 10 GbE uplinks

Each EX4200 switch includes an integrated application-specific integrated circuit (ASIC)-based Packet Forwarding Engine, the EX-PFE, while an integrated Routing Engine (RE) delivers all control plane functionality. Based on field-proven Juniper Networks technology, the Route Engine brings the same level of carrier-class performance and reliability to the EX4200 line of Ethernet switches that Juniper Networks routers bring to the world’s largest service provider networks.

The EX4200 also leverages the same modular Juniper Networks JUNOS Software as Juniper Networks router products, ensuring a consistent implementation and operation of each control plane feature across an entire Juniper Networks infrastructure.

Architecture and Key Components

The EX4200 switches are single rack-unit devices that deliver a compact solution for crowded wiring closets and access switch locations where space and power are at a premium. Each EX4200 supports optional front-panel uplink modules offering either four GbE ports or two 10 GbE ports for high-speed backbone or link-aggregation connections between wiring closets and upstream aggregation switches. Uplink modules can be installed without powering down the switch, enabling users to add high-speed connectivity at any time or migrate from one uplink type to the other to deliver the ultimate in flexible, high-performance interconnectivity.

The EX4200 also features a front-panel LCD display that offers a flexible interface for performing device bring-up and configuration rollbacks, reporting switch alarm and LED status, or restoring the switch to its default settings. The LCD also displays a Virtual Chassis member switch’s chassis “slot number” and Route Engine status for rapid identification and problem resolution.

Dual rear-panel Virtual Chassis ports enable EX4200 switches to be interconnected over the 128 Gbps virtual backplane. Switches deployed in close proximity, such as wiring closets or top-of-rack data center applications, can be securely connected using a Virtual Chassis cable and cable lock supplied by Juniper Networks.

In addition, a dedicated rear-panel RJ-45 port is available for out-of-band management, while a rear-panel USB port can be used to easily upload JUNOS Software and configuration files.

Virtual Chassis Technology

Up to 10 EX4200 switches can be interconnected using Virtual Chassis technology to create a single logical device supporting up to 480 10/100/1000BASE-T ports or 240 100/1000BASE-X ports, plus an additional 40 GbE or 20 10 GbE uplink ports. Different models can be mixed in a Virtual Chassis configuration to provide a variety of port and density options.

In a Virtual Chassis configuration, all switches are monitored and managed as a single device, enabling enterprises to separate physical topology from logical groupings of endpoints and allowing more efficient resource utilization. Highly resilient topologies can also be created using the GbE or 10 GbE uplink ports to extend the Virtual Chassis configuration across long distances spanning multiple wiring closets, floors or even buildings.

EX4200 series switches with Virtual Chassis technology diagram

Using Virtual Chassis technology, up to 10 EX4200 switches can be interconnected to create a single logical device spanning multiple wiring closets, floors or even buildings.


Juniper EX4200-24T Layer 3 Switch
Juniper EX4200-24T Layer 3 Switch

Overview The EX 4200-24T is part of a series switches with Virtual Chassis™ technology. The 24T comprises 24 10/100/1000BASE-T ports of which 8 are PoE.

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Juniper EX4200-48T
Juniper EX4200-48T

EX4200 48-port 10/100/1000BaseT (8-ports PoE) + 320W AC PS Ethernet Switch - includes 50cm VC cable

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