SRX 550 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 wireless links across supported legacy interfaces.

Juniper Mist WAN Assurance

Enables simpler operations, network visibility, better end-user and application experiences, and shorter mean time to repair for the WAN.

Advanced Threat Prevention

Dynamic threat protection with Juniper Advanced Threat Prevention, including malware sandboxing, threat intelligence feeds, and Encrypted Traffic Insights 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.

Juniper Secure Connect

Offers dynamic, adaptive secure SSL-VPN access to corporate and cloud resources for employees working remotely.

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 SRX550 Services Gateway is an all-in-one solution that consolidates security, routing, switching, and WAN connectivity into a 2 U footprint. The highly flexible device delivers next-generation security, SD-WAN support, and enterprise-class networking to midsized and large branch locations.

The SRX550 supports next-generation firewall capabilities 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.


SRX 550

vSRX Virtual Firewall


Junos OS Software version tested Junos OS 12.1
Firewall performance (max) 7 Gbps
IPS performance 800 Mbps
VPN performance 1.0 Gbps
Altitude 1.0 Gbps
Maximum concurrent sessions 375,000
New Sessions/second
(sustained, TCP, 3-way)
Maximum security policies 7256
Maximum security intelligence
data feed entries in firewall rules
600,000 IP addresses and 50,000 URLs
Total Onboard Ports Fixed: 6 x 10/100/1000 BASE-T + 4 small form-factor pluggable transceivers (SFP transceivers)
I/O slots: 2 x SRX Series Mini-PIM, 6 x Gigabit-Backplane Physical Interface Module (GPIM) or multiple GPIM and XPIM combinations
MACsec-capable Ports 0
PoE+ Ports Up to 40 ports of 802.3af/at with maximum 247
Mini PIM Slots 2

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