Model	Max System Power Consumption	Total PoE Power Budget
EX2300-24T	55 W AC	0

Component	Specification
Width (desktop)	17.4 in (44.19 cm)
Width (rack-mount)	17.5 in (44.6 cm)
Height	1.75 in (4.45 cm) – 1U
Depth	10.2 in (25.9 cm)

Model	Weight
EX2300-24T	7.25 lb (3.29 kg)

Category	Specification
Operating Temperature	32° to 113° F (0° to 45° C)
Storage Temperature	-40° to 158° F (-40° to 70° C)
Operating Altitude	Up to 13,000 ft (3962 m) @ 40°C (GR-63 compliant)
Non-operating Altitude	Up to 15,000 ft (4572 m)
Relative Humidity (Operating)	10% to 85% (non-condensing)
Relative Humidity (Storage)	0% to 95% (non-condensing)

Model	Airflow
EX2300-24T	25 CFM

Component	Specification
Switching Engine	Store and forward
CPU	1.25 GHz ARM
GbE Port Density	28 (24 host ports + 4 SFP/SFP+ uplinks)

Type	Details
Copper	10/100/1000BASE-T, RJ-45
SFP Fiber	1000BASE-T SFP, SX (multimode), LX/LH (single-mode), LC connectors

Feature	Support
Physical Port Redundancy	Redundant Trunk Group (RTG)
Cable Diagnostics	Yes – Detect cable breaks and shorts
Auto MDI/MDIX	Supported
Port Speed Management	Speed downshift, max advertised speed set
Digital Optical Monitoring	Supported on optical ports

Model	Unidirectional	Bidirectional
EX2300-24P/24T	64 Gbps	128 Gbps

Model	Throughput (Max, 64-byte packets)
EX2300-24P/24T/24MP	95 Mpps (wire speed)

Layer 2 Features
• Maximum MAC addresses in hardware: 16,000
• Jumbo frames: 9216 bytes
• Number of VLANs supported: 4093 (2044 active VLAN)
• Range of possible VLAN IDs: 1-4094
• Port-based VLAN
• MAC-based VLAN
• Voice VLAN
• Layer 2 Protocol Tunneling (L2PT)
• IEEE 802.1ak: Multiple VLAN Registration Protocol (MVRP)
• Compatible with Per-VLAN Spanning Tree Plus (PVST+)
• RVI (Routed VLAN Interface)
• IEEE 802.1AB: Link Layer Discovery Protocol (LLDP)
• LLDP-MED with VoIP integration
• IEEE 802.1ad Q-in-Q tunneling
• IEEE 802.1br: Bridge Port Extension
• IEEE 802.1D: Spanning Tree Protocol
• IEEE 802.1p: CoS Prioritization
• IEEE 802.1Q: VLAN Tagging
• IEEE 802.1Q-in-Q: VLAN Stacking
• IEEE 802.1s: Multiple Spanning Tree Protocol (MSTP)
• Number of MST instances supported: 64
• Number of VSTP instances supported: 253
• IEEE 802.1w: Rapid Spanning Tree Protocol (RSTP)
• IEEE 802.1X: Port Access Control
• IEEE 802.3: 10BASE-T
• IEEE 802.3u: 100BASE-T
• IEEE 802.3ab: 1000BASE-T
• IEEE 802.3z: 1000BASE-X
• IEEE 802.3af: PoE
• IEEE 802.3at: PoE+
• IEEE 802.3ad: Link Aggregation Control Protocol (LACP)
• IEEE 802.3x: Pause Frames/Flow Control
• IEEE 802.3az: Energy Efficient Ethernet

Layer 3 Features: IPv4
• Maximum number of ARP entries: 1,500
• Maximum number of IPv4 unicast routes in hardware: 512
prefixes; 4,096 host routes
• Maximum number of IPv4 multicast routes in hardware: 2,048
groups; 2,048 multicast routes
• Routing Protocols: RIP v1/v2, OSPF v1/v2
• Static routing
• Routing policy
• Bidirectional Forwarding Detection (BFD) with slow timers (> 3
sec)
• IP directed broadcast
Layer 3 Features: IPv6
• Maximum number of Neighbor Discovery (ND) entries: 1,500
• Maximum number of IPv6 unicast routes in hardware: 512
prefixes; 2,048 host routes
• Maximum number of IPv6 multicast routes in hardware: 1,024
groups; 1,024 multicast routes
• Neighbor discovery, system logging, Telnet, SSH, SNMP,
Network Time Protocol (NTP), Domain Name System (DNS)
• Static routing
• Routing protocols: RIPng, OSPF v3, Multicast Listener
Discovery, Multicast Listener Discovery v2
Access Control Lists (ACLs) (Junos OS Firewall Filters)
• Port-based ACL (PACL)—256 ingress; 256 egress
• VLAN-based ACL (VACL)— 256 ingress; 256 egress
• Router-based ACL (RACL)—256 ingress; 512 egress
• ACL entries (ACE) in hardware per system: 2,000
• 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
Access Security
• MAC limiting
• Allowed MAC addresses—configurable per port
• Sticky MAC (persistent MAC address learning)
• Dynamic ARP inspection (DAI)
• Proxy ARP
• Static ARP support
• DHCP snooping
• 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 EAP types: Message Digest 5 (MD5),
Transport Layer Security (TLS), Tunneled Transport Layer
Security (TTLS), Protected Extensible Authentication Protocol
(PEAP)
• IPv6 RA Guard
• IPv6 Neighbor Discovery Inspection
• Captive Portal
• Static MAC authentication
• MAC-RADIUS
• Control plane DoS protection
• Fallback authentication
• Trusted Network Connect (TNC) certified
High Availability
• Link aggregation
• 802.3ad (LACP) support:
– Number of LAGs supported: 128
– Maximum number of ports per LAG: 8
• Tagged ports support in LAG
• Uplink Failure Detection
Quality of Service (QoS)
• Layer 2 QoS
• Layer 3 QoS
• Ingress policing: one-rate two-color; two-rate three-color
markers
• Hardware queues per port: 8
• Scheduling methods (egress): Strict Priority (SP), shapeddeficit
weighted round-robin (SDWRR)
• 802.1p, 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
• Congestion avoidance capabilities: Tail drop and WRED
Multicast
• IGMP snooping entries: 2,000
• IGMP: v1, v2, v3
• IGMP snooping
• PIM-SM, PIM-SSM, PIM-DM
• MLD snooping
Management and Analytics Platforms
• Juniper Mist Wired Assurance for Campus
• Junos Space®
Network Director for Campus
• Junos Space®
Management

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
Telecom Quality Management
• TL9000
Environmental
• Reduction of Hazardous Substances (ROHS) 6
Telco
• CLEI code
Noise Specifications
Noise measurements based on operational tests taken from
bystander position (front) and performed at 25° C in compliance
with ISO 7779. The PoE load was 370 W (24 ports powered at
15.4W each) on the EX2300-24P and 740 W (48 ports powered at
15.4W each) on the EX2300-48P.

Model	Acoustic Noise (dB)
EX2300-24T	34.2 dB

Warranty
• Enhanced limited lifetime switch hardware warranty