Switches Juniper EX4300 are compact Gigabit form factor devices 1RU fixed-configuration, for a wide variety of high-performance campus network or data center needs. Ruler Juniper EX4300available in 24 and 48 gigabit 1000BASE-T ports or 32 ports 1000BASE-X SFP. Uplink-ports are represented by 4 QSFP+ ports with access speed 40GBASE on the rear panel, as well as on the front panel with 4 ports SFP/SFP+ with speed 1/10GbE. Switches Juniper EX4300 support technology PoE (standard IEEE 802.3af) and PoE+ (standard IEEE 802.3at) to power devices.
Like other devices Juniper, EX4300 operate under a unified Junos system and support technology Virtual Chassis, that allows you to connect up to 10 devices and manage them as a single logical device, and can also be used in QFX5100 based on virtual switching chassis.
Switches Juniper EX4300 provides a complete set of port connection security tools, including DHCP snooping, dynamic ARP inspection (DAI), MAC limiting to protect internal and external spoofing, man-in-the-middle attacks, and DoS attacks. EX4300 is a reliable platform for converged infrastructure, providing high-quality multimedia services.
Specifications of switch Juniper EX4300-48T-AFI:
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Form factor
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Fixed platform
Virtual Chassis configuration consisting of 10 switches
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Dimensions (W x H x D)
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17.4 x 1.7 x 16.4 in (44.2 x 4.3 x 41.7 cm)
1 rack unit
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Backplane speed
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320 Gbps (Virtual Chassis)
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Data rate
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EX4300-24P/24T: 448 Gbps
EX4300-48P/48T: 496 Gbps
EX4300-32F: 464 Gbps
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Throughput
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EX4300-24P/24TF: 333 Mpps (wire speed)
EX4300-48P/48T: 369 Mpps (wire speed)
EX4300-32F: 345 Mpps (wire speed)
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40GBASE quad small form-factor pluggable plus transceiver (QSFP+) port densities
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4 per switch
Up to 20 in Virtual Chassis configuration (assuming 2 ports per switch are used for forming Virtual Chassis)
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100GBASE C form-factor pluggable transceiver (CFP) port densities
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N/A
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Resiliency
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Internal, hot-swappable redundant power supply; field-replaceable fans; graceful Routing Engine switchover (GRES) in Virtual Chassis configuration
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Operating system
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Junos OS
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Traffic monitoring
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sFlow
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Quality-of-service (QoS) queues/port
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12
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MAC addresses
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64,000
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Jumbo frames
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9216 bytes
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IPv4 unicast/multicast routes
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32,000/8000
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IPv6 unicast/multicast routes
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18,000/4000
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Number of VLANs
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4093
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ARP entries
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64,000
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