Danh mục

Model	EX4300-48T
Hardware Specifications
Switching Engine Mode	• Store and forward
Memory	• DRAM: 2 GB with ECC • Storage: 2 GB
CPU	• 1.5 GHz Dual-Core Power PC CPU
GbE Port Density per System	• 56 (48 host ports + four 40GbE ports + optional four-port 1/10GbE uplink module) • 4 (uplink module) • 40GbE port density per system: 4 (fixed)
Supported Optics	• GbE SFP optic/connector type: LC SFP fiber supporting SX (multimode), LX (single-mode) • 10GbE SFP+ optic/connector type: 10GbE SFP+ LC connector, SR (multimode), USR (multimode), LR (single-mode), ER (single-mode), LRM (multimode), and DAC (direct-attach copper) • 40 GbE QSFP+ optic/connector type: 40GbE QSFP+ LC connector type, SR (multimode), DAC (direct-attach copper)
Packet Switching Capacities (Maximum with 64 Byte Packets)	• 248 Gbps (unidirectional)/496 Gbps (bidirectional)
Software Specifications
Layer 2/Layer 3 Throughput (Mpps) (Maximum with 64 Byte Packets)	• EX4300-48P/48T: 369 Mpps (wire speed)
Layer 2 Switching	• Maximum MAC addresses per system: 64,000 • Jumbo frames: 9216 Bytes • Number of VLANs supported: 4093 • Range of possible VLAN IDs: 1 to 4094 • Virtual Spanning Tree (VST) instances: 510 • Port-based VLAN • Voice VLAN • Physical port redundancy: Redundant trunk group (RTG) • Compatible with Per-VLAN Spanning Tree Plus (PVST+) • Routed VLAN Interface (RVI) • Uplink Failure Detection (UFD) • ITU-T G.8032: Ethernet Ring Protection Switching • IEEE 802.1AB: Link Layer Discovery Protocol (LLDP) • LLDP-MED with VoIP integration • Default VLAN and multiple VLAN range support • MAC learning deactivate • Persistent MAC learning (sticky MAC) • MAC notification • Private VLANs (PVLANs) • Explicit congestion notification (ECN) • Layer 2 protocol tunneling (L2PT) • IEEE 802.1ak: Multiple VLAN Registration Protocol (MVRP) • IEEE 802.1p: CoS prioritization • IEEE 802.1Q: VLAN tagging • IEEE 802.1X: Port Access Control • IEEE 802.1ak: Multiple Registration Protocol • IEEE 802.3: 10BASE-T • IEEE 802.3u: 100BASE-T • IEEE 802.3ab: 1000BASE-T • IEEE 802.3z: 1000BASE-X • IEEE 802.3ae: 10-Gigabit Ethernet • IEEE 802.3ba: 40-Gigabit Ethernet • IEEE 802.3af: Power over Ethernet • IEEE 802.3at: Power over Ethernet Plus • IEEE 802.3x: Pause Frames/Flow Control • IEEE 802.3ah: Ethernet in the First Mile
Layer 3 Features: IPv4	• Maximum number of ARP entries: 64,000 • Maximum number of IPv4 unicast routes in hardware: 16,000 prefixes; 32,000 host routes • Maximum number of IPv4 multicast routes in hardware: 8000 multicast groups; 16,000 multicast routes • Routing protocols: RIPv1/v2, OSPF, BGP, IS-IS • Static routing • Routing policy • Bidirectional Forwarding Detection (BFD) • L3 redundancy: Virtual Router Redundancy Protocol (VRRP) • VRF-Lite
Physical Specifications
Backplane	• 320 Gbps Virtual Chassis interconnect to combine up to 10 units as a single logical device
Uplink Module Options	• 4-port dual-mode 10GbE/1GbE module with pluggable SFP+/SFP optics
Power Options	• Power supplies: Autosensing; 100-120 V/200-240 V; AC 350 W AFO, dual load-sharing hot-swappable internal redundant power supplies • Maximum current inrush: 50 amps • Minimum number of PSUs required for fully loaded chassis: 1 per switch
Dimensions (W x H x D)	• Base unit: 44.1 x 4.37 x 41.6 cm • With power supply installed: 44.1 x 4.37 x 44.47 cm • With power supply and front module installed: 44.1 x 4.37 x 45.73 cm
System Weight	• With no power supply or fan module): 5.9 kg • With single power supply and two fan modules): 7.3 kg • 350 W AC power supply: 1.1 kg • SFP+ uplink module: 0.2 kg • Fan module: 0.15 kg
Environmental Ranges	• Operating temperature: 0° to 45° C • Storage temperature: -40° to 70° C • Operating altitude: up to 3,049 m • Non-operating altitude: up to 4,877 m • Relative humidity operating: 10% to 85% (noncondensing) • Relative humidity non-operating: 0% to 95% (noncondensing)
Cooling	• Field-replaceable fans: 2 • Airflow: PSU-7.5 cubic feet per minute (CFM); fan-22 CFM • Total maximum airflow throughput with two power supplies: 59 CFM

Tùy chọn Uplink Module cho Switch Juniper EX4300-48T

EX-UM-4X4SFP

EX4300 4-port 1GbE/10GbE SFP+ Uplink Module for EX4300-24T, EX4300-48T, EX4300-48T-AFI, EX4300-48T-DC, EX4300-48T-DC-AFI, EX4300-24P and EX4300-48P

Tùy chọn License cho Switch Juniper EX4300-48T

EX4300-48-EFL	Enhanced Feature License (EFL) for EX4300- 48T, EX4300-48T-AFI, EX4300-48T-DC, EX4300-48T-AFI-DC, and EX4300-48P
EX4300-48-AFL	Advanced Feature License (AFL) for EX4300- 48T, EX4300-48T-AFI, EX4300-48T-DC, EX4300-48T-AFI-DC, and EX4300-48P
EX-QFX-MACSEC-ACC	MACsec Software License for EX4300 and EX4200 access switches