SRX 345 Services Gateways

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Secure SD-WAN

Unifies control of WAN connections across multiple types of network interfaces while managing and securing MPLS, broadband, and 4G LTE links

Juniper Mist WAN Assurance

Simplifies operations, provides visibility into end-user experiences with application-based context, and shortens WAN mean time to repair (MTTR).

Advanced Threat Prevention

Protect your network against the latest threats with Juniper Advanced Threat Prevention. Our rich suite of security capabilities that adjust dynamically to network conditions provides malware sandboxing, threat intelligence feeds, and Encrypted Traffic Insights, a feature able to detect malware hidden in SSL-encrypted traffic.

Next-Generation Firewall

Detect and mitigate threats through software-enabled next-generation firewall (NGFW) features, including intrusion prevention system (IPS), application security (AppSecure), user ID and role-based access controls, and content security (network anti-virus, anti-spam, and enhanced Web filtering).

WAN and Wi-Fi Modules

Flexible, redundant WAN modules include T1/E1, ADSL2/2+, VDSL2, and 3G/4G LTE options. The Wi-Fi module offers 802.11ac Wave 2 wireless LAN access for business users, guests, and IoT devices.

Network Segmentation

Enables you to tailor security and management policies based on zones, VLANs, and IPsec VPNs and to use virtual routers to create internal, external, and DMZ subgroups.

On/Off-Box Automation

On/off-box capabilities enable the automatic, remote configuration of network and security policies and settings on SRX devices.

These automated features combine with centralized network security management and maintenance to simplify IT operations across geographically dispersed locations.

Simple Deployment

Zero-Touch Provisioning (ZTP) simplifies initial deployments in branches where IT resources may be limited or unavailable.


The SRX300 line of Services Gateways provides next-generation security, networking, and SD‑WAN capabilities to support the changing needs of your cloud-enabled, AI-driven enterprise network. Managing the SRX300 line of Services Gateways via the Juniper Mist cloud simplifies your branch operations. Whether you’re adding new applications in multiple locations, connecting to the cloud, or striving to improve operational efficiency, the SRX345 can help with scalable, secure, and easy-to-manage connectivity.

The SRX345 supports next-generation firewall features such as intrusion prevention, application visibility and control, and content security features that include anti-virus, anti-spam, and enhanced Web filtering.

Advanced Threat Prevention provides comprehensive threat defense with dynamic malware detection, SecIntel threat feeds, Encrypted Traffic Insights, and Adaptive Threat Profiling.


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Junos OS Software version tested Junos OS 19.3R1
Firewall performance (max) SRX300: 1 Gbps
SRX320: 1 Gbps
SRX340: 3 Gbps
SRX345: 5 Gbps
SRX380: 10 Gbps
IPS performance SRX300: 200 Mbps
SRX320: 200 Mbps
SRX340: 400 Mbps
SRX345: 600 Mbps
SRX380: 2.0 Gbps
VPN performance SRX300: 300 Mbps
SRX320: 300 Mbps
SRX340: 600 Mbps
SRX345: 800 Mbps
SRX380: 3.5 Gbps
Maximum concurrent sessions SRX300: 64,000
SRX320: 64,000
SRX340: 256,000
SRX345: 375,000
SRX380: 380,000
New Sessions/second
(sustained, TCP, 3-way)
SRX300: 5000
SRX320: 5000
SRX340: 10,000
SRX345: 15,000
SRX380: 50,000
Maximum security policies SRX300: 1000
SRX320: 1000
SRX340: 2000
SRX345: 4000
SRX380: 4000
Maximum security intelligence
data feed entries in firewall rules
Total Onboard Ports SRX300: 8x1GbE
SRX320: 8x1GbE
SRX340: 16x1GbE
SRX345: 16x1GbE
SRX380: 20 (16x1GbE, 4x10GbE)
MACsec-capable Ports SRX300: 2x1GbE
SRX320: 2x1GbE
SRX340: 16x1GbE
SRX345: 16x1GbE
SRX380: 16x1GbE, 4x10GbE
PoE+ Ports SRX300: 0
SRX320: 6
SRX340: 0
SRX345: 0
SRX380: 16
Mini PIM Slots SRX300: 0
SRX320: 2
SRX340: 4
SRX345: 4
SRX380: 4


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