Description
Juniper Networks EX4300 Ethernet Switches provide connectivity for high-density environments and scalability for growing networks. These switches can be deployed wherever you need high density of Gigabit Ethernet ports or redundancy. Typically, EX4300 switches are used in large branch offices, campus wiring closets, and data centers. In data centers, EX4300 switches can be positioned as top-of-rack switches; the top devices in a rack to provide connectivity for all the devices in the rack and provide options for optimized airflow (hot aisle/cold aisle).
Three variants of the EX4300 switches are available—24-port, 32-port, and 48-port switches, with or without PoE+, with AC or DC power supplies, and with different airflow directions. EX4300 switches also provide uplink ports and a slot for installing an optional uplink module.
You can manage EX4300 switches except the Multigigabit switches EX4300-48MP and EX4300-48MP-S by using the same interfaces that you use for managing other devices running Juniper Networks Junos operating system (Junos OS)—the CLI, the J-Web graphical interface, and Junos Space. You can manage the Multigigabit switches EX4300-48MP and EX4300-48MP-S by using the the CLI.
Software
Juniper Networks EX Series Ethernet Switches run Junos OS, which provides Layer 2 and Layer 3 switching, routing, and security services. The same Junos OS code base that runs on EX Series switches also runs on all Juniper Networks M Series, MX Series, and T Series routers, and SRX Series Services Gateways.
EX4300 Switches First View
EX4300 switches provide connectivity for high-density Gigabit Ethernet data center top-of-rack, enterprise, and campus aggregation/core deployments. EX4300 switches can be used in large branch offices, campus wiring closets, and data centers. In data centers, these switches can be positioned as the top devices in a rack to provide connectivity for all devices in the rack and provide options for optimized airflow (hot aisle/cold aisle).
The 48-port EX4300 switches EX4300-48T and EX4300-48P provide 48 built-in 10/100/1000BASE-T Ethernet network ports, with or without PoE+ depending on the switch model, and four built-in quad small form-factor pluggable plus (QSFP+) ports that can house 40-Gigabit QSFP+ transceivers. All network ports in the EX4300-48P switch are equipped for Power over Ethernet (PoE+), whereas EX4300-48T has no PoE+ ports. These switches support AC or DC power supply with different airflow directions. Each switch provides a slot for installing an optional 4-port 10-Gigabit Ethernet SFP+ uplink module, which has four SFP+ ports that can house four SFP+ transceivers, four SFP transceivers, or a combination of four SFP+ and SFP transceivers.
The 48-port EX4300 switches with multigigabit ports—EX4300-48MP and EX4300-48MP-S—provide 24 built-in 10/100/1000BASE-T Ethernet network ports, 24 built-in 100/1000/2500/5000/10000BASE-T Ethernet network ports, and four built-in 40-Gigabit Ethernet quad small form-factor pluggable plus (QSFP+) ports that can house 40-Gigabit QSFP+ transceivers. The 24 built-in 10/100/1000BASE-T Ethernet network ports support 10 Mbps, 100 Mbps, and 1 Gbps speeds. The 24 built-in 100/1000/2500/5000/10000BASE-T Ethernet network ports support 100 Mbps, 1 Gbps, 2.5 Gbps, 5 Gbps, and 10 Gbps speeds. All network ports are equipped for PoE+ and provide up to 95 watts of power. The QSFP+ ports are configured as Virtual Chassis Ports (VCPs) by default. You can use them to connect the switches to other devices in a Virtual Chassis configuration.
These switches support AC power supply with front-to-back airflow. Each switch provides a slot for installing an optional 4-port 10GbE uplink module. The 4-port 10GbE uplink module can house four SFP+ transceivers.
| Feature |
Feature Value |
| Switch type |
Managed |
| Quality of Service (QoS) support |
Y |
| Web-based management |
Y |
| ARP inspection |
Y |
| Basic switching RJ-45 Ethernet ports quantity |
24 |
| Basic switching RJ-45 Ethernet ports type |
10G Ethernet (100/1000/10000) |
| Gigabit Ethernet (copper) ports quantity |
24 |
| Networking standards |
IEEE 802.1D, IEEE 802.1Q, IEEE 802.1ab, IEEE 802.1p, IEEE 802.1s, IEEE 802.1x, IEEE 802.3, IEEE 802.3ab, IEEE 802.3ad, IEEE 802.3ae, IEEE 802.3af, IEEE 802.3ah, IEEE 802.3at, IEEE 802.3ba, IEEE 802.3u, IEEE 802.3x, IEEE 802.3z |
| 10G support |
Y |
| Copper ethernet cabling technology |
10BASE-T, 100BASE-T, 1000BASE-T |
| Flow control support |
Y |
| Link aggregation |
Y |
| Auto MDI/MDI-X |
Y |
| Spanning tree protocol |
Y |
| VLAN support |
Y |
| Virtual LAN features |
Private VLAN, Voice VLAN, Tagged VLAN, Port-based VLAN |
| Number of VLANs |
4093 |
| MAC address table |
64000 entries |
| Switching capacity |
960 Gbit/s |
| Throughput |
714 Mpps |
| Store-and-forward |
Y |
| Static route |
Y |
| Jumbo frames support |
Y |
| Jumbo frames |
9216 |
| DHCP features |
DHCP server, DHCP snooping, DHCP relay, DHCPv6 snooping, DHCP client |
| Access Control List (ACL) |
Y |
| IGMP snooping |
Y |
| Security algorithms |
802.1x RADIUS, HTTPS, MD5, PEAP, SSH-2, SSL/TLS, TTLS |
| SSH/SSL support |
Y |
| Authentication |
MAC-based authentication, Port-based authentication |
| DoS attack prevention |
Y |
| Persistent MAC Learning (Sticky MAC) |
Y |
| Multicast support |
Y |
| Virtual Router Redundancy Protocol (VRRP) |
Y |
| Routing protocols |
BGP, IS-IS, OSPF, OSPFv3, RIP-1, RIP-2, RIPng, VRRP |
| Rack mounting |
Y |
| Form factor |
1U |
| Product colour |
Grey |
| Airflow direction |
Front-to-back airflow |
| Number of fans |
2 fan(s) |
| Safety |
UL-UL60950-1, C-UL to CAN/CSA 22.2 No. 60950-1, TUV/GS EN 60950-1, A1-A4, A11; EN 60950-1 (2006 +A1:2009+A12:2010), IEC 60950-1 (2005 +A1:2009) |
| Electromagnetic compatibility |
FCC 47CFR 15 A, EN 55022 A, ICES-003 A, VCCI A, AS/NZS CISPR 22 A, CISPR 22 A, EN 55024, EN 300386, CE |
| Virtual stacking (units) |
10 |
| Built-in processor |
Y |
| Processor frequency |
2200 MHz |
| Internal memory |
4096 MB |
| Flash memory |
64000 MB |
| Power supply included |
Y |
| Redundant power supply (RPS) support |
Y |
| Number of power supply units |
2 |
| AC input voltage |
100 – 240 V |
| Power over Ethernet (PoE) |
Y |
| Power over Ethernet plus (PoE+) ports quantity |
48 |
| Total Power over Ethernet (PoE) budget |
1100 W |
| Operating temperature (T-T) |
0 – 45 °C |
| Storage temperature (T-T) |
-40 – 70 °C |
| Operating relative humidity (H-H) |
10 – 85% |
| Storage relative humidity (H-H) |
0 – 95% |
| Operating altitude |
0 – 3049 m |
| Non-operating altitude |
0 – 4877 m |
| Width |
441 mm |
| Depth |
467 mm |
| Height |
44 mm |
