Juniper SRX300-SYS-JE Firewall

Juniper SRX300-SYS-JE Firewall

Juniper SRX300-SYS-JE is a compact, fanless branch firewall / secure SD-WAN router designed for distributed enterprise sites. It combines routing, switching, and security on a single Junos OS platform and includes Junos Software Enhanced to support stateful firewall, NAT, IPsec VPN, and application security. With 8x 1GbE onboard connectivity (6x RJ-45 + 2x SFP), it is well-suited for small to large branch deployments where performance, centralized policy, and secure WAN connectivity are required.

• Secure connectivity: Site-to-site IPsec VPN and remote access / SSL VPN (Juniper Secure Connect)
• Operational efficiency: Zero-Touch Provisioning (ZTP) and Web UI/CLI management
• Quiet deployment: Fanless desktop design with external AC power supply

Technical Details

• Total ports: 8 x 1GbE (6 x RJ-45 + 2 x SFP)
• MACsec-capable ports: 2 x 1GbE
• Console: 1 x console (RJ-45 + miniUSB)
• USB: 1 x USB 3.0 (Type-A)
• System memory: 4 GB RAM
• Storage: 8 GB
• Form factor: Desktop, fanless
• Dimensions (WxHxD): 12.63 x 1.37 x 7.52 in (32.08 x 3.47 x 19.10 cm)
• Weight (device + PSU): 4.38 lb (1.98 kg)
• Power: External AC PSU (non-redundant)
• Average power / heat: 24.9 W / 85 BTU/h
• Operating temperature: -20°C to 60°C
• Performance: 1.9 Gbps stateful firewall (1,518B), 1.5 Gbps routing (1,518B), 336 Mbps IPsec (1,400B)
• Scale: 256K routes, 64K sessions, 1,000 policies, 5,000 CPS

Properties	Juniper SRX300-SYS-JE Firewall
Description	SRX300 Services Gateway includes hardware (8GbE, 4G RAM, 8G Flash, power adapter and cable) and Junos Software Enhanced (firewall, NAT, IPSec, routing, MPLS, switching and application security). RMK not included.
Product Family	SRX300 LINE OF FIREWALLS
Product Type	Firewall
Overview	The SRX300 line of firewalls consists of secure SD-WAN routers that deliver high performance and proven deployment capabilities for enterprises building branch networks at scale. WAN / Internet connectivity and optional modules can include Ethernet, T1/E1, ADSL2/2+, VDSL, 3G/4G LTE wireless, and 802.11ac Wave 2 Wi-Fi.
High Performance	• Best suited for small, medium, and large branch office deployments • Designed for future scale and feature capacity
High Availability	• Stateful HA synchronizes configuration and firewall sessions • Multiple WAN interfaces with dial-on-demand backup • Route/link failover based on real-time link performance
App & Cloud Experience	• ZTP simplifies remote device provisioning • Advanced Policy-Based Routing (APBR) orchestrates intent-based WAN policies • AppQoE measures application SLAs and improves end-user experience • Controls and prioritizes traffic based on application and user role
WAN Assurance	• Complements Juniper Secure SD-WAN with AI-powered automation and service levels • Visibility into users, applications, WAN links, control/data plane, and CPU for proactive remediation
VPN & Platform Security	• Secure overlay links over the public internet (IPsec acceleration support) • TPM-based protection for device secrets (passwords/certificates) • Remote access / SSL VPN with Juniper Secure Connect
Threat Protection	• IPS signatures and exploit protection with real-time updates • Antivirus and URL/web filtering options • Threat intelligence feeds and encrypted traffic visibility (without full TLS/SSL decryption overhead)
Management	• Centralized management for ZTP, policy, NAT, and IPsec VPN deployments (Security Director / Security Director Cloud) • Local management with on-box GUI, plus Juniper CLI and Web UI
Junos OS	• Integrates routing, switching, and security in a single device • Automation capabilities help reduce operational expense

Specifications
Software Specifications
Routing Protocols	• IPv4, IPv6, ISO, Connectionless Network Service (CLNS) • Static routes • RIP v1/v2 • OSPF/OSPF v3 • BGP with Route Reflector • IS-IS • Multicast: IGMP v1/v2, PIM SM/DM/SSM, Session Description Protocol (SDP), DVMRP, MSDP, RPF • Encapsulation: VLAN, PPP, Frame Relay, HDLC, serial, MLPPP, MLFR, PPPoE • Virtual routers • Policy-based routing, source-based routing • Equal-cost multipath (ECMP)
QoS Features	• Support for 802.1p, DSCP, EXP • Classification based on VLAN, DLCI, interface, bundles, or multifield filters • Marking, policing, and shaping • Classification and scheduling • Weighted random early detection (WRED) • Guaranteed and maximum bandwidth • Ingress traffic policing • Virtual channels • Hierarchical shaping and policing
Switching Features	• ASIC-based Layer 2 forwarding • MAC address learning • VLAN addressing and IRB support • Link aggregation and LACP • LLDP and LLDP-MED • STP, RSTP, MSTP • MVRP • 802.1X authentication
Firewall Services	• Stateful and stateless firewall • Zone-based firewall • Screens and DDoS protection • Protection from protocol and traffic anomaly • Integration with Pulse Unified Access Control (UAC) • Integration with Aruba Clear Pass Policy Manager • User role-based firewall • SSL Inspection (Forward-proxy)
Network Address Translation (NAT)	• Source NAT with Port Address Translation (PAT) • Bidirectional 1:1 static NAT • Destination NAT with PAT • Persistent NAT • IPv6 address translation
VPN Features	• Tunnels: Site-to-Site, Hub and Spoke, Dynamic Endpoint, AutoVPN, ADVPN, Group VPN (IPv4/IPv6/Dual Stack) • Juniper Secure Connect: Remote access / SSL VPN • Configuration payload: Yes • IKE encryption: Prime, DES-CBC, 3DES-CBC, AES-CBC, AES-GCM, SuiteB • IKE authentication: MD5, SHA-1, SHA-128, SHA-256, SHA-384 • Authentication: PSK and PKI (X.509) • IPsec: AH / ESP • IPsec auth: hmac-md5, hmac-sha-196, hmac-sha-256 • IPsec encryption: Prime, DES-CBC, 3DES-CBC, AES-CBC, AES-GCM, SuiteB • Perfect forward secrecy, anti-replay • IKEv1 / IKEv2 • Dead peer detection (DPD), VPN monitoring • GRE, IP-in-IP, MPLS VPNs • Application/bandwidth usage reporting, auto installation, debug tools • Zero-Touch Provisioning with Contrail Service Orchestration
Network Services	• DHCP client/server/relay • DNS proxy, DDNS • Real-time performance monitoring (RPM) and IP monitoring • J-Flow monitoring • Bidirectional Forwarding Detection (BFD) • TWAMP • IEEE 802.3ah Link Fault Management (LFM) • IEEE 802.1ag Connectivity Fault Management (CFM)
High Availability Features	• VRRP • Stateful high availability • Dual box clustering • Active/passive and active/active • Config and session synchronization • Device/link detection • In-Band Cluster Upgrade (ICU) • Dial on-demand backup interfaces • IP monitoring with route and interface failover
Management, Automation, Logging, and Reporting	• SSH, Telnet, SNMP • Smart image download • Juniper CLI and Web UI • Mist AI (Simplified management, WAN Assurance) • Security Director / Security Director Cloud • Juniper Secure Edge • Python • Junos OS event, commit, and OP script
Advanced Routing Services	• Packet mode • MPLS (RSVP, LDP) • CCC, TCC • L2/L3 MPLS VPN, pseudowires • VPLS, NG-MVPN • MPLS traffic engineering, MPLS fast reroute
Application Security Services (advanced security services subscription licenses)	• Application visibility and control • Application-based advanced policy-based routing (APBR) • Application-based link monitoring and switchover with AppQoE
Threat Defense and Intelligence Services	• Intrusion prevention • Antivirus • Antispam • Category/reputation-based URL filtering • Botnet protection (command and control) • Adaptive enforcement based on GeoIP • Juniper Advanced Threat Prevention (zero-day detection/blocking) • Adaptive Threat Profiling • Encrypted Traffic Insights • SecIntel threat intelligence
Hardware Specifications
Total onboard ports	8x 1GbE
Onboard RJ-45 ports	6x 1GbE
Onboard SFP ports	2x 1GbE
MACsec-capable ports	2x 1GbE
Console (RJ-45 + miniUSB)	1
USB 3.0 ports (Type-A)	1
Memory and Storage
System memory (RAM)	4 GB
Storage	8 GB
Dimensions and Power
Form factor	Desktop
Size (WxHxD)	12.63 x 1.37 x 7.52 in (32.08 x 3.47 x 19.10 cm)
Weight (device and PSU)	4.38 lb (1.98 kg)
Redundant PSU	No
Power supply	AC (external)
Average power consumption	24.9 W
Average heat dissipation	85 BTU/h
Maximum current consumption	0.346 A
Acoustic noise level	0 dB (fanless)
Airflow/cooling	Fanless
Environmental, Compliance, and Safety
Operational temperature	-20°C to 60°C (-4°F to 140°F)
Nonoperational temperature	-20°C to 70°C (-4°F to 158°F)
Operating humidity	10% to 90% noncondensing
Nonoperating humidity	5% to 95% noncondensing
MTBF	44.5 years
FCC classification	Class A
RoHS compliance	RoHS 2
FIPS 140-2	Level 2 (Junos 19.2R1)
Common Criteria certification	NDPP, VPNEP, FWEP, IPSEP (based on Junos 19.2R1)
Performance and Scale
Routing (packet mode, 1,518B)	1,500 Mbps
Routing (packet mode, IMIX)	800 Mbps
Stateful firewall (IMIX)	600 Mbps
Stateful firewall (1,518B)	1,900 Mbps
IPsec VPN (IMIX)	116 Mbps
IPsec VPN (1,400B)	336 Mbps
Application visibility and control	500 Mbps
Recommended IPS	200 Mbps
Next-generation firewall	226 Mbps
Secure Web Access firewall	171 Mbps
Route table size (RIB/FIB)	256,000 / 256,000
Maximum concurrent sessions	64,000
Maximum security policies	1,000
Connections per second	5,000
NAT rules	1,000
MAC table size	15,000
IPsec VPN tunnels	256
Remote access/SSL VPN users (concurrent)	25
GRE tunnels	256
Maximum security zones	16
Maximum virtual routers	32
Maximum VLANs	1,000
AppID sessions	16,000
IPS sessions	16,000
URLF sessions	16,000

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