EX4200 Ethernet Switch

Flexible, stackable switching solution for data centres and campuses.

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The EX4200 Ethernet Switch is a compact, fixed-configuration solution that deploys easily in campus installations, as well as in 1 Gigabit Ethernet (1GbE) access environments in the data center. EX4200 brings flexible, scalable, high-performance switching to campuses and data center top-of-rack deployments, combining the availability and reliability of modular solutions with the flexibility of stackable switches.

Juniper’s Virtual Chassis technology can be used to connect up to 10 switches as a single logical device, delivering a scalable solution perfect for growing campus installations. The EX4200 can also be combined with EX4500 and EX4550 Switches in the same Virtual Chassis to support mixed 1GbE and 10GbE environments.

The EX4200 switches support 10/100/1000BASE-T with both 24- and 48-port configurations, and they optionally include full or partial IEEE 802.3af Power over Ethernet (PoE) or 802.3at PoE+. A 24-port 100BASE-FX/1000BASE-X SFP-based fibre configuration is available for gigabit aggregation in long-distance deployments. Available uplinks include 4-port 1GbE or 2-port 10GbE copper or fibre configurations, with and without Media Access Control Security (MACsec) capabilities.


Form Factor Fixed platform
Virtual Chassis configuration consisting of 10 switches
Access Ports N/A
Dimensions (W x H x D)Backplane Speed 17.4 x 1.7 x 16.4 in (44.2 x 4.3 x 41.7 cm)
1 rack unit
Backplane Speed 128 Gbps
Data rate EX4200-24P/24T/24F: 88 Gbps
EX4200-48P/48T: 136 Gbps
Throughput EX4200-24P/24T/24F: 65 Mpps (wire speed)
EX4200-48P/48T: 101 Mpps (wire speed)
Resiliency Internal, hot-swappable redundant power supply; field-replaceable fan tray with three fans; graceful Routing Engine switchover (GRES) in Virtual Chassis configuration
Operating System Junos OS
Traffic monitoring sFlow
Quality-of-Service (QoS) Queues/port 8
MAC addresses 32,000
Junbo Frames 9216 bytes
IPc4 unicast/multicast routes 16,000/8000
IPv6 unicast/multicast routes 4000/2000
Number of VLANs 4096
ARP entries 16,000