| Specifications |
EX4300-32F |
| DRAM |
3 GB with ECC |
| Storage |
4 GB |
| CPU |
1.5 GHz Dual-Core PowerPC CPU |
| Physical Layer |
Digital optical monitoring for optical ports |
| Packet-Switching Capacities |
232 Gbps (unidirectional)/464 Gbps (bidirectional) |
| Software Specifications |
| Layer 2/Layer 3 Throughput (Mpps) (Maximum with 64 Byte Packets) |
345 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 |
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