Model Type: High-Performance Next-Generation Firewall (NGFW) / Services Gateway
Series: Juniper Networks SRX Series — Mid-Range Enterprise Security Appliance
Product Description
The Juniper SRX4200 is a powerful 1-rack-unit (1U) firewall and security services gateway designed for enterprise campus, data center edge, and regional headquarters networks. It integrates robust next-generation firewall (NGFW) capabilities with advanced threat prevention, high-speed VPN, intrusion prevention (IPS), and secure SD-WAN support — all running on Juniper’s Junos OS and manageable via Juniper Security Director or on-device management.
Key Features & Capabilities
Security & Threat Protection
• Next-Generation Firewall (NGFW): Stateful firewall with application awareness, context-based policy enforcement, and IPS.
• Advanced Threat Prevention: Juniper Advanced Threat Prevention (ATP) Cloud, Spotlight Secure, malware sandboxing, encrypted traffic inspection.
• Intrusion Prevention System (IPS): High-performance intrusion detection and mitigation.
Networking & Connectivity
• Integrated Routing & Switching: Combines security and network services (static/dynamic routing, NAT, QoS).
• Secure SD-WAN & VPN: Unified SD-WAN orchestration, IPsec VPN hub and spoke, remote access solutions.
• EVPN-VXLAN Support: Secure overlay networking for modern data center architectures.
Performance & Scale
| Specification | SRX4200 |
|---|---|
| Firewall Throughput (Max) | 80 Gbps |
| Firewall Throughput (IMIX) | ~40 Gbps |
| IPS Throughput | ~27.7 Gbps |
| VPN Throughput (IPsec) | ~29.6 Gbps |
| New Sessions/sec | ~500,000 |
| Max Concurrent Sessions | ~10 million |
| Max Security Policies | ~60,000 |
| Onboard Ports | 8 × 1 GbE/10 GbE (SFP/SFP+) |
Hardware & Form Factor
• Form Factor: 1 RU rackmount appliance with dual power supplies (AC or DC options).
• Memory & Storage:
– 64 GB DDR4 RAM
– Dual 240 GB SSDs in RAID-1 (redundant storage for reliability)
• Management: CLI, Junos Space, J-Web, Juniper Security Director Cloud.
Typical Deployment Scenarios
✔ Enterprise Campus Edge — Protects internal and edge network segments with high throughput and threat defense.
✔ Data Center Perimeter & Core — Handles east-west and north-south traffic with scalable performance.
✔ Regional Headquarters & Aggregation — Secure SD-WAN and VPN concentrator for distributed sites.
✔ Integrated Security Fabric — Works with Juniper Connected Security solutions for unified threat intelligence.
Why It Matters
The SRX4200 balances high security performance with enterprise-class resilience and scale, making it suitable for organizations that need strong network security without sacrificing throughput or flexibility. It integrates threat prevention, VPN, SD-WAN, and routing into one platform — simplifying operations and reducing the need for separate appliances.
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