Cisco FL-4350-HSEC-K9 FL-4350-HSEC-K9 License

Overview

The FL-4350-HSEC-K9 license from Cisco unlocks advanced security capabilities on the Cisco 4350 Series routers. Designed for enterprise and service provider networks, this software add-on enables deep packet inspection, intrusion prevention, secure VPN services and comprehensive threat intelligence while preserving high throughput and low latency.

Key Features

• Integrated Intrusion Prevention System (IPS) with real-time signature updates
• Advanced malware sandboxing and file reputation checks
• Encrypted site-to-site and remote access VPN support for IPsec and SSL
• Context-aware traffic classification and policy enforcement
• Scalable licensing model that grows with your network demands
• Seamless integration with Cisco SecureX and third-party SIEM platforms

Technical Specifications

• Supported platform: Cisco 4350 Series routers (hardware revision 2.0 and later)
• License type: Permanent feature license (FL) with activation key
• Maximum inspected throughput: up to 10 Gbps per chassis
• Concurrent sessions supported: up to 1 million
• Supported encryption algorithms: AES-128, AES-256, 3DES
• Management interface: Cisco IOS CLI and Cisco DNA Center API
• Software version compatibility: IOS XE 16.12.x and later

Typical Applications

• Data center edge security where high-speed inspection is required
• Branch office routers that need unified threat management without additional hardware
• WAN aggregation points protecting multiple business lines from malware and exploits
• Service provider networks delivering secure connectivity to enterprise customers
• Hybrid cloud environments requiring consistent policy enforcement across on-premise and virtual resources

This Cisco FL-4350-HSEC-K9 license provides a robust, scalable security foundation that helps organizations defend against modern cyber threats while simplifying management and reducing total cost of ownership.