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SwitchL3managed48 x 10/100/1000 + 4 x 40 Gigabit QSFP+Front to back airflowRack-mountable
Description
Juniper EX4300-48T-DC Switch
The Juniper EX4300-48T-DC is a high-performance, enterprise-class Ethernet switch that is particularly built for high-density installations. It is a member of the EX4300 switch series, which is noted for its high performance, scalability, and flexibility. It is equipped with advanced security features, including port security, MACsec encryption, DHCP snooping and protection from unauthorized access.
Key Features:
- 48-port 10/100/1000BASE-T
- 4 dual-mode 1GbE/10GbE uplinks
- DC power supply
- Virtual Chassis
You can check the EX4300-48T-DC datasheet and its compatible accessories from the tabs.
Properties
| Properties | Juniper EX4300-48T-DC |
| Description | 48-port 10/100/1000BASE-T + 550 W DC PS (QSFP+ DAC for Virtual Chassis ordered separately) |
| Product Family | EX4300 Series |
| Product Type | Ethernet Switch |
| GbE Port Density | 56 (48 host ports + four 40GbE ports + optional four-port 1/10GbE uplink module) -10GbE port density per system: 4 (uplink module) -40GbE port density per system: 4 (fixed) |
| Dimensions (HxWxD) Inches | Base unit: 17.36 x 1.72 x 16.38 in (44.1 x 4.37 x 41.6 cm) With power supply installed: 17.36 x 1.72 x 17.51 in (44.1 x 4.37 x 44.47 cm) With power supply and front module installed: 17.36 x 1.72 x 18 in (44.1 x 4.37 x 45.73 cm) |
| Weight | EX4300 switch (with no power supply or fan module): 13 lb (5.9 kg) EX4300 switch (with single power supply and two fan modules): 16.1 lb (7.3 kg) 350 W AC power supply: 2.4 lb (1.1 kg) 715 W AC power supply: 2.4 lb (1.1 kg) 1100 W AC power supply: 2.4 lb (1.1 kg) 550 W DC power supply: 2.4 lb (1.1 kg) SFP+ uplink module: 0.44 lb (0.2 kg) Fan module: 0.33 lb (0.15 kg) |
| Uplink Module Options | 4-port dual-mode 10GbE/1GbE module with pluggable SFP+/SFP optics |
| Backplane | 320 Gbps Virtual Chassis interconnect to combine up to 10 units as a single logical device |
| Product Options | Access Port Configuration |
| EX4300-48T | 48-port 10/100/1000BASE-T |
| Access Port Configuration | 48-port 10/100/1000BASE-T |
| PoE /PoE+ Ports | 0 |
| PoE Budget | 0 W |
| 10GbE Ports (max. with module) | 0 (4) |
| 40GbE Ports (max. with module) | 4 |
| 100GbE Ports (max. with module) | 0 |
| Power Supply Rating | 550 W DC |
| Airflow | AFO (Front-to-back airflow) |
| Acoustic Noise in DB | 37.8 |
| Power Options | Power supplies: Autosensing; 100-120 V/200-240 V; AC 350 W AFO, 350 W AFI, 715 W AFO, and 1100 W AFO dual load-sharing hot-swappable internal redundant power supplies Maximum current inrush: 50 amps EX4300-48MP: 100-120 V/200-240 V; AC 715 W AFO, 1100 W AFO, 1400 W AFO dual load-sharing hot-swappable internal redundant power supplies DC power supply: 550 W DC AFO and 550 W DC AFI; input voltage range 43.5-60 V max (+/- 0.5 V); dual input feed, dual load-sharing hot-swappable internal redundant power supplies Minimum number of PSUs required for fully loaded chassis: 1 per switch |
| 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) 100 GbE QSFP28 optic type: 100GbE QSFP SR4, LR4, DAC (direct-attach copper) |
Specifications
| Specifications | EX4300-48T-DC |
| DRAM | 2 GB with ECC |
| Storage | 2 GB |
| CPU | 1.5 GHz Dual-Core PowerPC CPU |
| Physical Layer | Time domain reflectometry (TDR) for detecting cable breaks and shorts: 24P/24T and 48P/48T only Auto medium-dependent interface/medium-dependent interface crossover (MDI/MDIX) support: 24P/24T and 48P/48T/48MP only (all ports) Port speed downshift/setting maximum advertised speed on 10/100/1000BASE-T ports: 24P/24T and 48P/48T/48MP only, on all ports Digital optical monitoring for optical ports |
| Packet-Switching Capacities | 248 Gbps (unidirectional)/496 Gbps (bidirectional) |
| Software Specifications | |
| Layer 2/Layer 3 Throughput (Mpps) (Maximum with 64 Byte Packets) | 369 Mpps (wire speed) |
| Layer 2 Features | 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 |
| Layer 3 Features: IPv6 | Maximum number of Neighbor Discovery (ND) entries: 32,000 Maximum number of IPv6 unicast routes in hardware: 4000 prefixes; 15,000 host routes Maximum number of IPv6 multicast routes in hardware: 8000 multicast groups; 16,000 multicast routes Routing protocols: RIPng, OSPFv3, IPv6, ISIS Static routing |
| Access Control Lists (ACLs) (Junos OS Firewall Filters) | Port-based ACL (PACL): Ingress and egress VLAN-based ACL (VACL): Ingress and egress Router-based ACL (RACL): Ingress and egress ACL entries (ACE) in hardware per system: Port-based ACL (PACL) ingress: 3072 VLAN-based ACL (VACL) ingress: 3500 Router-based ACL (RACL) ingress: 7000 Egress shared across PACL and VACL: 512 Egress across RACL: 1024 ACL counter for denied packets ACL counter for permitted packets Ability to add/remove/change ACL entries in middle of list (ACL editing) L2-L4 ACL |
| Security | MAC limiting (per port and per VLAN) Allowed MAC addresses configurable per port Dynamic ARP inspection (DAI) IP source guard Local proxy ARP Static ARP support DHCP snooping Captive portal Persistent MAC address configurations Distributed denial of service (DDoS) protection (CPU control path flooding protection) |
| High Availability | Redundant, hot-swappable power supplies Redundant, field-replaceable, hot-swappable fans Graceful Routing Engine switchover (GRES) for Layer 2 hitless forwarding and Layer 3 protocols on RE failover Graceful protocol restart (OSPF, BGP) Layer 2 hitless forwarding on RE failover Nonstop bridging: LACP, xSTP Nonstop routing: PIM, OSPF v2 and v3, RIP v2, RIPnG, BGP, BGPv6, ISIS, IGMP v1, v2, v3 Online insertion and removal (OIR) uplink module |
| Quality of Service (QoS) | L2 QoS L3 QoS Ingress policing: 1 rate 2 color Hardware queues per port: 12 Scheduling methods (egress): Strict priority (SP), WDRR 802.1p, DiffCode (DSCP)/IP precedence trust and marking L2-L4 classification criteria: Interface, MAC address, Ethertype, 802.1p, VLAN, IP address, DSCP/IP precedence, TCP/UDP port numbers, and more Congestion avoidance capabilities: Tail drop, weighted random early detection (WRED) |
| Multicast | IGMP: v1, v2, v3 IGMP snooping Multicast Listener Discovery (MLD) snooping PIM-SM, PIM-SSM, PIM-DM |
| Services and Manageability | Junos OS CLI Junos Web interface (J-Web) Out-of-band management: Serial; 10/100/1000BASE-T Ethernet ASCII configuration Rescue configuration Configuration rollback Image rollback LCD management Element management tools: Juniper Networks Network and Security Manager (NSM) Remote performance monitoring Proactive services support via Advanced Insight Solutions (AIS) SNMP: v1, v2c, v3 RMON (RFC 2819) Groups 1, 2, 3, 9 Network Time Protocol (NTP) DHCP server DHCP client and DHCP proxy DHCP relay and helper DHCP local server support RADIUS TACACS+ SSHv2 Secure copy HTTP/HTTPs Domain Name System (DNS) resolver System logging Temperature sensor Configuration backup via FTP/secure copy |
| Management and Analytics Platforms | Juniper Mist Wired Assurance for Campus Junos Space®Network Director for Campus Junos Space® Management |
| Spanning Tree | IEEE 802.1D: Spanning Tree Protocol IEEE 802.1s: Multiple instances of Spanning Tree Protocol (MSTP) Number of MST instances supported: 64 Number of VLAN Spanning Tree Protocol (VSTP) instances supported: 510 IEEE 802.1w: Rapid reconfiguration of Spanning Tree Protocol |
| Link Aggregation | IEEE 802.3ad: Link Aggregation Control Protocol 802.3ad (LACP) support: -Number of LAGs supported: 128 -Maximum number of ports per LAG: 16 LAG load-sharing algorithm bridged or routed (unicast or multicast) traffic: -IP: S/D IP -TCP/UDP: S/D IP, S/D Port -Non-IP: S/D MAC Tagged ports support in LAG |
| Access Security | 802.1X port-based 802.1X multiple supplicants 802.1X with VLAN assignment 802.1X with authentication bypass access (based on host MAC address) 802.1X with VoIP VLAN support 802.1X dynamic ACL based on RADIUS attributes 802.1X Supported Extensible Authentication Protocol (EAP types): Message Digest 5 (MD5), Transport Layer Security (TLS), Tunneled TLS (TTLS), Protected Extensible Authenticated Protocol (PEAP) MAC authentication (RADIUS) Control plane DoS protection Radius functionality over IPv6 for authentication, authorization, and accounting (AAA) DHCPv6 snooping IPv6 neighbor discovery IPv6 source guard IPv6 RA guard IPv6 Neighbor Discovery Inspection Media Access Control security (MACsec) |
| 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 |
| Power Supply Rating | 550 W DC AFO |
| Operating temperature | 32° to 113° F (0° to 45° C) |
| Storage temperature | -40° to 158° F (-40° to 70° C) |
| Operating altitude | up to 10,000 ft (3048 m) |
| Non-operating altitude | up to 16,000 ft (4877 m) |
| Relative humidity operating | 10% to 85% (noncondensing) |
| Relative humidity non-operating | 0% to 95% (noncondensing) |
| Safety and Compliance | UL-UL_60950-1 (First Edition) +UL_62368-1 CAN/CSA C22.2 No. 60950-1 +CAN/CSA C22.2 No. 62368-1 EN 60950-1 Information Technology Equipment—Safety IEC 60950-1 Information Technology Equipment—Safety +IEC 62368-1 Audio/video, information and communication technology equipment – Part 1: Safety requirements ) |
| Electromagnetic Compatibility Certifications | FCC 47CFR Part 15 Class A EN 55022 Class A ICES-003 Class A VCCI Class A AS/NZS CISPR 22 Class A CISPR 22 Class A EN 55024 EN 300386 CE |
| Telco | CLEI code |
| Environmental | Reduction of Hazardous Substances (ROHS) 6/6 |
| NEBS | GR-1089-Core: EMC and Electrical Safety for Network Telecommunications Equipment |
| Troubleshooting | Debugging: CLI via console, Telnet, or SSH Diagnostics: Show and debug command, statistics Traffic mirroring (port) Traffic mirroring (VLAN) IP tools: Extended ping and trace Juniper Networks commit and rollback |
| Traffic Monitoring | ACL-based mirroring Mirroring destination ports per system: 4 LAG port monitoring Multiple destination ports monitored to 1 mirror (N:1) Maximum number of mirroring sessions: 4 Mirroring to remote destination (over L2): 1 destination VLAN |
Accessories
| Accessories and License Upgrade PIDs | |
| EX-4PST-RMK | Adjustable 4-post rack-mount kit for EX4200, EX4300, and EX3200 |
| EX-RMK | Rack-mount kit for EX2200, EX3200, EX4200, EX4300, and EX4550 |
| EX-WMK | EX4200, EX4300, and EX3200 wall-mount kit |
| Feature Licenses | |
| EX4300-48-EFL | Enhanced Feature License (EFL) for EX4300-48T, EX4300-48T-AFI, EX4300-48T-DC, EX4300-48T-AFI-DC, EX4300-48P, and EX4300-48MP |
| EX4300-48-AFL | Advanced Feature License (AFL) for EX4300-48T, EX4300-48T-AFI, EX4300-48T-DC, EX4300-48T-AFI-DC, EX4300-48P, and EX4300-48MP |
| EX-QFX-MACSEC-ACC3 | MACsec Software License for EX4300 and EX4200 access switches |
| Subscription Licenses | |
| S-EX-A-C3-3 | Software, EX Series Advanced license, Class 3 (32 or 48 ports), includes Wired Assurance subscription for EX Series 48-port switches, 3 year |
| S-EX-A-C3-5 | Software, EX Series Advanced license, Class 3 (32 or 48 ports), includes Wired Assurance subscription for EX Series 48-port switches, 5 year |
| S-EX-P-C3-3 | Software, EX Series Premium license, Class 3 (32 or 48 ports), includes Wired Assurance subscription for EX Series 48-port switches, 3 year |
| S-EX-P-C3-5 | Software, EX Series Premium license, Class 3 (32 or 48 ports), includes Wired Assurance subscription for EX Series 48-port switches, 5 year |
| S-EX-A-C3-3-COR | Software, EX Series Advanced license, Class 3 (32 or 48 ports), includes Wired Assurance subscription for EX Series 48-port switches, 3 year with SVC CORE support, 3 YEAR |
| S-EX-A-C3-5-COR | Software, EX Series Advanced license, Class 3 (32 or 48 ports), includes Wired Assurance subscription for EX Series 48-port switches, 3 year with SVC CORE support, 5 YEAR |
| S-EX-P-C3-3-COR | Software, EX Series Premium license, Class 3 (32 or 48 ports), includes Wired Assurance subscription for EX Series 48-port switches, 3 year with SVC CORE support, 3 YEAR |
| S-EX-P-C3-5-COR | Software, EX Series Premium license, Class 3 (32 or 48 ports), includes Wired Assurance subscription for EX Series 48-port switches, 3 year with SVC CORE support, 5 YEAR |
| Perpetual Licenses | |
| S-EX-A-C3-P | Software, EX Series Advanced license, Class 3 (32 or 48 ports), Perpetual license for EX4300 48-port switches |
| S-EX-P-C3-P | Software, EX Series Premium license, Class 3 (32 or 48 ports), Perpetual license for EX4300 48-port switches |
| EX-QFX-MACSEC-ACC4 | MACsec software license for EX3400, EX4300, and EX4200 access switches |
| Uplink Modules | |
| 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 |
| Power Supplies | |
| JPSU-350-AC-AFO | EX4300 350 W AC power supply (power cord needs to be ordered separately) (front-to-back airflow) |
| JPSU-350-AC-AFI | EX4300 350 W AC power supply with airflow in (power cord needs to be ordered separately) (back-to-front airflow) |
| JPSU-715-AC-AFO | EX4300 715 W AC power supply (power cord needs to be ordered separately) (front-to-back airflow) |
| JPSU-1100-AC-AFO | EX4300 1100 W AC power supply (power cord needs to be ordered separately) (front-to-back airflow) |
| JPSU-1400-AC-AFO | EX4300 1400 W AC power supply for EX4300-48MP (power cord needs to be ordered separately) (front-to-back airflow) |
| JPSU-550-DC-AFO | EX4300 550 W DC power supply (power cord needs to be ordered separately) (front-to-back airflow) |
| JPSU-550-DC-AFI | EX4300 550 W DC power supply with air flow in (power cord needs to be ordered separately) (back-to-front airflow) |
| Fans | |
| EX4300-FAN | Spare fan with front-to-back airflow |
| Supportability Matrix for EX4300 Spare Chassis SKUs (A: supported combination, B: unsupported combination, C: supported as a SKU) |
|
| PSU-350-AC-AFO + EX4300-FAN | C (EX4300-48T) |
| JPSU-715-AC- AFO + EX4300-FAN | B |
| JPSU-1100-AC-AFO + EX4300-FAN | A |
| JPSU-1400-AC-AFO + EX4300-FAN | B |
| JPSU-550-DC-AFO + EX4300-FAN | C (EX4300-48T-DC) |
| JPSU-350-AC-AFI+ EX4300-FAN-AFI | C (EX4300-48T-AFI) |
| JPSU-550-DC-AFI + EX4300-FAN-AFI | C (EX4300-48T-DC-AFI) |
| EX4300-48T-S | Spare chassis, 48-port 10/100/1000BASE-T (optics, power supplies, and fans sold separately) |
| Pluggable Optics | |
| EX-QSFP-40GE-DAC-50CM | QSFP+ to QSFP+ 40GbE Direct Attach Copper (twinax copper cable) 50 cm passive |
| QFX-QSFP-40G-SR4 | QSFP+ 40GBASE-SR4 40GbE optics, 850 nm for up to 150 m transmission on multimode fiber-optic (MMF) |
| QFX-QSFP-DAC-1M | |
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