• Juniper EX4300-32F-S switch with vibrant pink glossy Juniper fruit sticker
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Juniper

Juniper EX4300-32F-S | EX4300 32-Port 1G SFP Switch, Spare Chassis, 4x 10G SFP+

EX4300-32F-S

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Description

The EX4300 32-port fibre switch is a Layer 2 and Layer 3 access and aggregation platform from the Juniper EX4300 line. This spare chassis variant suits campus, branch and data centre access deployments that need 1GbE fibre connectivity with 10GbE and 40GbE uplinks, and lets you build a custom configuration around your own power supplies, fans and optics.

The chassis provides 32 x 100/1000BASE-X SFP ports, 4 x 10GBASE-X SFP+ fixed ports and 2 x 40GBASE-X QSFP+ fixed ports that can act as Virtual Chassis ports. An optional uplink module adds either 8 x 1/10GbE SFP+ or 2 x 40GbE QSFP+ ports. Switching capacity is 232 Gbps unidirectional, 464 Gbps bidirectional, with 345 Mpps of wire-speed Layer 2 and Layer 3 throughput. It supports 64,000 MAC addresses, 4093 VLANs and 9216-byte jumbo frames. There is no PoE. The chassis ships with the base Junos feature set covering Layer 2 and basic Layer 3, including static routing and RIP, with OSPF, IS-IS and BGP available through optional licence upgrades.

The 350 W AC and 550 W DC internal power supplies and the two field-replaceable fan modules suit this chassis. Compatible uplink modules are the EX-UM-8X8SFP and EX-UM-2QSFP, and it can form a Virtual Chassis with other EX4300 and EX4600 switches.

Enquire with XS Network Tech for new or used pricing and availability.

Features

- Virtual Chassis technology manages up to 10 EX4300 or EX4600 switches as a single logical device
- Full suite of Layer 2 and Layer 3 switching capabilities
- Supports RIP, OSPF, BGP and IS-IS routing, with higher protocols enabled by optional licences
- Security features including DHCP snooping, dynamic ARP inspection, IP source guard and MAC limiting
- Flexible uplink module supports 1GbE, 10GbE or 40GbE options
- Hot-swappable redundant internal power supplies and field-replaceable fans
- Digital optical monitoring on optical ports
- Can be onboarded and managed through Juniper Mist Wired Assurance

Warranty

All products sold by XS Network Tech include a 12-month warranty on both new and used items. Our in-house technical team thoroughly tests used hardware prior to sale to ensure enterprise-grade reliability.

All technical data should be verified on the manufacturer data sheets.

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Technical Specifications

FAQs

Technical Specifications

- Access ports: 32 x 100/1000BASE-X SFP
- Fixed 10GbE ports: 4 x SFP+
- Fixed 40GbE ports: 2 x QSFP+ (Virtual Chassis capable)
- Uplink module options: EX-UM-8X8SFP (8-port 1/10GbE SFP+) or EX-UM-2QSFP (2-port 40GbE QSFP+)
- PoE: None
- Switching capacity: 232 Gbps unidirectional, 464 Gbps bidirectional
- Throughput: 345 Mpps Layer 2/Layer 3, wire speed
- Switching mode: Store and forward
- Virtual Chassis backplane: 320 Gbps, up to 10 members
- MAC addresses: 64,000
- VLANs: 4093
- Jumbo frames: 9216 bytes
- ARP entries: 64,000
- IPv4 unicast routes in hardware: 16,000 prefixes, 32,000 host routes
- LAG: 128 groups, up to 16 ports per LAG
- DRAM: 3 GB with ECC
- Storage: 4 GB
- CPU: 1.5 GHz dual-core PowerPC
- Compatible power supplies: 350 W AC AFO or 550 W DC AFO
- Fans: 2 field-replaceable fan modules
- Dimensions (W x H x D): 44.1 x 4.37 x 45.4 cm
- Weight (chassis only): 5.9 kg
- Operating temperature: 0 to 45 C
- Mounting: 1U, 19-inch rack mount

FAQs

Q: Which licence tier does this switch use?
A: It runs the base Junos feature set, which covers Layer 2 and basic Layer 3 such as static routing and RIP. The Enhanced Feature License adds OSPF, PIM, IGMP and VRF-Lite, and the Advanced Feature License adds IS-IS and BGP.

Q: What power supply does the EX4300-32F chassis use?
A: It uses a 350 W AC AFO (100-120 V / 200-240 V autosensing) or 550 W DC AFO internal hot-swap power supply. One supply runs a fully loaded chassis and a second provides load-sharing redundancy. The switch has no PoE.

Q: Which uplink modules and optics does it work with?
A: Uplink modules are the EX-UM-8X8SFP (8-port 1/10GbE SFP+) and EX-UM-2QSFP (2-port 40GbE QSFP+). The ports take GbE SFP SX/LX, 10GbE SFP+ SR, USR, LR, ER, LRM and DAC, and 40GbE QSFP+ SR4 and DAC. The EX-SFP-1GE-T copper SFP works on the fixed 1000BASE-X ports only.

Q: Can it be stacked with other switches?
A: Yes. Using Virtual Chassis, up to 10 EX4300 or EX4600 switches form a single logical device over a 320 Gbps backplane, with the 40GbE QSFP+ ports usable as Virtual Chassis ports.

Q: How does this differ from other EX4300-32F SKUs?
A: This SKU is the spare chassis with 32x SFP, 4x 10G SFP+ and 2x 40G QSFP+ ports. Power supplies, fans and optics are sourced separately to suit your configuration.

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