| Specifications |
EX4300-24P |
| 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 |
224 Gbps (unidirectional/448 Gbps (bidirectional |
| Software Specifications |
| Layer 2/Layer 3 Throughput (Mpps (Maximum with 64 Byte Packets |
333 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(rNetwork Director for Campus Junos Space(r 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 |
715 W AC 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 |