Cisco FL-39-HSEC-K9 HSEC Compliance License for C3900 Series Router

Overview
The Cisco FL-39-HSEC-K9 is a HSEC compliance license designed specifically for the Cisco C3900 series router. This software license enables the router to meet the stringent security and encryption requirements of the US High Security (HSEC) program, allowing organizations to protect sensitive data while maintaining high performance and reliability.

Key Features

• Full compliance with HSEC standards for classified and sensitive information
• Enables use of approved cryptographic algorithms and key lengths
• Seamless integration with existing C3900 router hardware and Cisco IOS software
• Supports secure VPN, IPsec, and SSL/TLS traffic encryption
• Provides audit trails and logging to meet government reporting requirements
• Scalable licensing model that can be activated on multiple routers within the same network

Technical Specifications

• Compatible Router Series: Cisco C3900 (including C3915, C3925, C3935, C3945)
• Software Version: Cisco IOS 15.0(2)SE or later
• License Type: Permanent, non-transferable
• Encryption Support: AES 256, 3DES, SHA-2, RSA 2048 and higher
• Activation Method: License manager or Cisco Smart Licensing portal
• Required Memory: Minimum 256 MB flash for license files

Applications

• Government agencies handling classified or sensitive data
• Defense contractors requiring HSEC compliant network infrastructure
• Financial institutions needing strong encryption for regulatory compliance
• Enterprises with high security requirements for VPN and remote access
• Critical infrastructure providers protecting operational technology networks

By adding the FL-39-HSEC-K9 license, organizations can confidently deploy Cisco C3900 routers in environments where data confidentiality and integrity are paramount, while leveraging Cisco's proven hardware reliability and extensive support ecosystem.