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Product Positioning
The FortiGate 120G is a new-generation 1U rack-mount high-performance security gateway launched by Fortinet for enterprise-level core networks, medium-sized data centers, high-performance campus networks and carrier edge access. Powered by Fortinet's latest SPU5 ASIC security processor and unified FortiOS operating system, it deeply integrates high-density ports, multi-link load balancing, SD-WAN routing optimization and full-stack security capabilities. Designed for high-throughput, high-concurrency and high-reliability core network environments, it is a key node for large enterprises and carriers to build a "no-compromise security" backbone network.




Hardware Port Configuration
16 x RJ45 2.5G Ethernet ports, supporting 2.5G/1G/100Mbps auto-negotiation, meeting the high-density high-speed wired access requirements of server areas and user areas
2 x 10G SFP+ fiber ports, supporting 10G SFP+ or 1G SFP optical modules, used for high-speed core link interconnection or uplink connection to backbone switches
1 x RJ45 Console management interface for local serial port debugging, initial device configuration and fault troubleshooting
1 x RJ45 FortiLink dedicated interface, used to directly connect FortiSwitch switches, achieving unified management and policy linkage of all wired devices across the network
2 x USB 3.2 Gen2 interfaces, supporting external storage devices to expand log capacity, or connecting 4G/5G modules to realize wireless backup links
Built-in 2 x 10G/1G Base-T Ethernet ports, supporting auto-negotiation rates, which can be used as high-speed backup or DMZ interfaces
Core Implemented Technologies
- Adopts Fortinet's latest SPU5 ASIC security processor, realizing line-rate processing of all security functions through a dedicated hardware acceleration engine, drastically reducing the load of general-purpose CPUs. Even when IPS, antivirus and SSL deep inspection are enabled simultaneously, it still maintains low-latency and non-stuck forwarding, adapting to high-concurrency traffic scenarios in core networks.
- Official published standard performance metrics: Firewall layer 4 throughput of 70 Gbps, IPS throughput of 25 Gbps, NGFW throughput of 8 Gbps, threat protection throughput of 5 Gbps, IPsec VPN throughput of 40 Gbps, supporting 15,000,000 concurrent TCP sessions and 1,000,000 new TCP sessions per second.
- Natively integrates SD-WAN routing optimization capability, realizing intelligent path scheduling for up to 32 links and real-time link quality detection without additional licenses. It automatically schedules core business traffic to the optimal link, achieving millisecond-level fault switching.
- Supports dynamic routing protocols including BGP, OSPF, RIP and static routing, with a maximum of 3000 gateway-to-gateway IPsec tunnels and 800 SSL VPN user access channels, meeting the high-speed encrypted interconnection requirements between multi-region data centers of large enterprises.
- Built-in FortiSwitch management capability that can centrally control up to 64 FortiSwitch switches; built-in wireless controller capability that can manage up to 150 FortiAP access points (80 of which support tunnel mode), realizing unified operation and maintenance of all wired and wireless devices across the network.
- Compatible with the FortiConverter configuration migration tool, which can import core configurations from existing third-party firewalls with one click, greatly shortening the new device deployment cycle. Paired with Fortinet's globally synchronized firmware update mechanism, it guarantees long-term stable operation of the device.
- Fully integrated with the Fortinet Security Fabric unified security architecture, seamlessly connecting to FortiManager and FortiAnalyzer centralized management platforms to realize unified policy distribution, centralized log storage and global security situational visualization for all devices across the network, supporting automated security orchestration and response.
- Supports high-availability active-standby deployment (A-P, A-A modes), realizing state synchronization and traffic load balancing between two devices via dedicated HA ports. It can complete failover within milliseconds when a single device fails, avoiding business interruption caused by single points of failure and meeting the high-reliability operation requirements of core networks.
- Supports virtual domain division, with a maximum of 150 independent virtual security domains, realizing logical isolation of multi-tenant and multi-business lines, meeting the differentiated security requirements of large enterprise multi-department and multi-project groups.
Core Security Features
- Built-in high-performance Intrusion Prevention System (IPS) that can identify and block more than 12,000 known vulnerability attacks, worms, DDoS attacks and network intrusion behaviors in real time, covering full-dimensional threats at both the network and application layers, with an IPS throughput of up to 25 Gbps.
- Integrated with FortiGuard global AI-powered threat intelligence services, leveraging machine learning engines to automatically synchronize real-time updated virus databases and threat signature libraries, providing real-time defense against ransomware, zero-day vulnerabilities and malware variants, with a threat protection throughput of up to 5 Gbps.
- Supports bidirectional deep packet inspection, performing full-dimensional content scanning on all versions of encrypted traffic including TLS 1.3, identifying and blocking malicious activities hidden in HTTPS encrypted traffic, with an SSL deep inspection throughput of up to 8 Gbps.
- Built-in full-protocol high-performance antivirus engine that covers virus filtering for mainstream protocols including HTTP, FTP, SMTP, POP3, IMAP and SMB, effectively preventing viruses from spreading across the intranet through paths such as web downloads, email transmission and internal file sharing.
- Integrated with web filtering, application control and DNS filtering functions, with an application control throughput of up to 30 Gbps. It can precisely control employees' web access behaviors and usage permissions for more than 10,000 applications, avoiding security risks brought by phishing websites and non-work applications from the source.
- Supports native Zero Trust Network Access (ZTNA) capability, dynamically assigning minimum permissions based on user identity, device status and access scenarios, realizing identity-aware secure access without exposing core intranet resources to the public internet.
- Supports advanced security analysis functions, which can perform real-time behavior analysis on network-wide traffic, identify internal threats and data leakage risks, generate detailed user and entity behavior analysis reports, and support enterprise-level compliance audits.
- Comes with a built-in generative AI security assistant that can automatically complete security log analysis, threat event judgment and response policy generation, greatly lowering the security operation threshold for enterprise-level sites and improving threat response efficiency.
- Supports FortiToken two-factor authentication, with a maximum of 8000 bound tokens, providing strong identity verification for VPN access, administrator login and core system access to prevent unauthorized access caused by account leakage.
- Built-in advanced threat sandbox detection capability, which can perform dynamic behavior analysis on unknown suspicious files, identifying zero-day malicious programs that cannot be covered by traditional signature libraries, and forming a closed-loop security protection system of "defense - detection - response".
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