1U Rack Secure SD-WAN for Mid-Range Branch
The Fortinet FortiGate 120G is a 1U rack-mountable Secure SD-WAN appliance built for medium branch offices and regional hub sites. Powered by Fortinet's NP7 ASIC, it delivers 39 Gbps firewall and 5.3 Gbps IPS throughput with dedicated WAN ports, integrated SD-WAN, NGFW, and Universal ZTNA in a single managed appliance.
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Fortinet's seventh-generation Network Processor (NP7) provides hardware-accelerated firewall, IPsec VPN, and SD-WAN processing — delivering 39 Gbps firewall throughput at line rate. Unlike software-only SD-WAN routers that rely solely on CPU, the NP7 offloads traffic-intensive tasks to purpose-built silicon, maintaining high throughput under full security inspection.
The FortiGate 120G provides dedicated WAN and LAN port separation — multiple GE WAN interfaces for primary broadband, MPLS, and failover links, alongside 10GE SFP+ uplinks for high-bandwidth internal connectivity. SD-WAN policy controls intelligent traffic distribution across all WAN paths based on application, QoS, and real-time link quality metrics.
5.3 Gbps IPS throughput and 3 Gbps SSL/TLS inspection handle the encrypted traffic volumes typical of modern branch environments without creating a performance bottleneck. FortiGuard AI-powered IPS, web filtering, anti-malware, application control, and DNS filtering operate simultaneously at full speed.
In multi-site deployments, FortiManager provides a single pane of glass for SD-WAN orchestration across all FortiGate branches. Policy deployment, bulk provisioning, real-time monitoring, and configuration consistency are managed centrally — eliminating manual per-device configuration across distributed branch networks.
Universal ZTNA in FortiOS enables continuous verification of user identity and device posture for application access — both for on-premises and remote users. Application access policies are enforced independently of whether users are in the branch office, at home, or on the road, consistent with a Zero Trust security model.
The 120G's ASIC-accelerated IPsec VPN (SD-WAN overlay) performance makes it suitable as a regional hub in Fortinet SD-WAN hub-and-spoke deployments — aggregating traffic from multiple smaller branch sites through a secure, performance-optimised WAN overlay with ADVPN (Auto-Discovery VPN) for direct spoke-to-spoke tunnels.
The Fortinet FortiGate 120G positions itself as the mid-range branch appliance in Fortinet's Secure SD-WAN lineup — bridging the gap between the compact 40F/60F desktop family and larger data centre FortiGate models. Its NP7 ASIC delivers 39 Gbps firewall throughput and 5.3 Gbps IPS in a 1U rack appliance, providing the performance headroom needed for medium branch offices handling significant encrypted traffic volumes.
Fortinet's Secure SD-WAN approach differentiates from standalone SD-WAN vendors by integrating security and networking in a single converged platform under FortiOS. The 120G manages SD-WAN path selection, NGFW inspection, IPS, SSL inspection, application control, and ZTNA from a unified policy engine — eliminating the security inspection gaps that occur when SD-WAN and security functions are handled by separate devices at the branch.
In enterprise multi-site deployments, the FortiGate 120G integrates into Fortinet's SD-WAN overlay fabric managed by FortiManager. Consistent SD-WAN policies, SLA monitoring, and security policies deploy across hundreds of branch FortiGates simultaneously from FortiManager's centralised orchestration. FortiAnalyzer provides deep traffic analytics, application visibility, and compliance reporting across the entire WAN fabric.
High-throughput SD-WAN for 50–150 user branches with NGFW, IPS, and SSL inspection at full speed. Dual WAN links with SLA-based path selection and automatic failover.
Acts as a regional hub aggregating multiple smaller branch spokes under a Fortinet SD-WAN overlay. ADVPN enables spoke-to-spoke tunnels without hairpinning through the hub.
For branches running high volumes of SSL/TLS traffic (SaaS, cloud apps), 3Gbps SSL inspection prevents encryption from becoming a security bypass mechanism without impacting user experience.
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