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ProductsCisco SL-44-SEC-K9 License | ISR 4400 Security Feature License
SL-44-SEC-K9
CISCO Licenses

Cisco SL-44-SEC-K9 License | ISR 4400 Security Feature License

Buy Cisco SL-44-SEC-K9 license for ISR 4400 routers. Enable VPN, encryption, and enterprise WAN security features with global delivery.

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Cisco SL-44-SEC-K9 License | Security Feature License for Cisco ISR 4400 Series

Enterprise-Grade Security Enablement for Cisco ISR 4400 Routers

The Cisco SL-44-SEC-K9 Software License is a security feature license designed for the Cisco ISR 4400 Series platform. It enables advanced security capabilities for enterprise branch networks, helping organizations protect data traffic, enforce secure access, and build trusted WAN infrastructure.
This license is essential for enterprises deploying secure SD-WAN, VPN connectivity, and encrypted branch communications.


Why Choose SL-44-SEC-K9

For enterprises requiring secure network infrastructure:
✔ Enable advanced VPN and encryption services ✔ Strengthen branch-to-branch secure connectivity ✔ Support firewall and security policy enforcement ✔ Protect enterprise WAN traffic ✔ Reduce dependency on external security appliances


Key Security Features

  • IPsec VPN (site-to-site and remote access)
  • Secure encrypted WAN communications
  • Advanced traffic protection capabilities
  • Integration with Cisco security architecture
  • Policy-based routing and access control support


Technical Specifications

Parameter
Details
Product Model
Cisco SL-44-SEC-K9
License Type
Software License (Feature Enablement)
Applicable Platform
Cisco ISR 4400 Series
Function
Security Feature Enablement
Delivery
Electronic License (ESD / PAK)
Deployment
Enterprise WAN / Branch Security


SL-44-SEC-K9 vs Other ISR 4400 Licenses

Feature
SEC-K9
UC-K9
APP-K9
Core Function
Security
Unified Communications
Application Optimization
VPN / Encryption
✔
—
—
Voice / VoIP
—
✔
—
Application Control
—
—
✔
Primary Use Case
Secure WAN / SD-WAN
Voice & Collaboration
Traffic Optimization
👉 How to choose?
  • Choose SEC-K9 → For VPN, encryption, and secure WAN
  • Choose UC-K9 → For voice and unified communications
  • Choose APP-K9 → For application visibility and optimization


Typical Applications

  • Enterprise SD-WAN security deployment
  • Site-to-site VPN connectivity
  • Secure branch office networking
  • Encrypted data transmission over WAN
  • Enterprise perimeter security enhancement


Procurement Information

  • Delivery format: Electronic License (ESD / PAK)
  • License type: Perpetual, device-bound (UDI required)
  • Compatibility: Cisco ISR 4400 Series routers
  • Deployment scope: Enterprise branch and WAN security


Why Choose Sate Optics

We support global enterprise network projects with:
✔ Fast quotation response ✔ Reliable Cisco license sourcing ✔ Competitive supply chain advantages ✔ Technical pre-sales support ✔ Multi-region delivery capability


FAQ

Q1: What is Cisco SL-44-SEC-K9 used for? A: It enables security features such as VPN and encryption on Cisco ISR 4400 routers.

Q2: Is SL-44-SEC-K9 required for SD-WAN? A: Yes, it is commonly used to enable secure SD-WAN deployments.

Q3: Does it include UC or APP features? A: No, UC and APP features require separate licenses.


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🚀 Looking for Cisco ISR 4400 security licensing?
  • Fast response within 24 hours
  • Project-based pricing support
  • Global delivery available

👉 Contact us now for availability and quotation

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