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ProductsCisco SL-4350-SEC-K9 License | ISR 4350 Security License
SL-4350-SEC-K9
CISCO Licenses

Cisco SL-4350-SEC-K9 License | ISR 4350 Security License

Buy Cisco SL-4350-SEC-K9 security license for ISR 4350 routers. Enable VPN, encryption, and secure WAN connectivity with fast delivery.

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Cisco SL-4350-SEC-K9 License | Security License for ISR 4350

Enable Advanced Security for Cisco ISR 4350 Routers

The Cisco SL-4350-SEC-K9 Software License is a security feature license designed for the Cisco ISR 4350, enabling advanced protection for enterprise branch networks.
It activates essential security capabilities such as VPN, encryption, and policy-based traffic control, ensuring secure and reliable communication across distributed enterprise environments.


Why Choose SL-4350-SEC-K9

For organizations deploying branch routers, this license provides:
✔ Secure site-to-site VPN connectivity ✔ Advanced data encryption for sensitive traffic ✔ Policy-based traffic management ✔ Integrated WAN edge security ✔ Reliable protection for branch networks


Key Features

  • Security license for Cisco ISR 4350
  • IPSec VPN and secure remote access
  • Data encryption and traffic protection
  • Policy enforcement across WAN
  • Integrated security within ISR platform


Technical Specifications

Parameter
Details
Product Model
Cisco SL-4350-SEC-K9
License Type
Software License (Perpetual)
Applicable Devices
Cisco ISR 4350
Function
Security Feature Enablement
Delivery
Electronic License (ESD / PAK)
Deployment
Enterprise Branch / WAN


SL-4350-SEC-K9 vs Other ISR 4000 Licenses

Feature
SEC-K9
UC-K9
APP-K9
Core Function
Security
Voice / UC
Application Services
VPN Support
✔
—
—
VoIP Support
—
✔
—
App Optimization
—
—
✔
Best Use Case
Secure WAN
Unified Communications
Application Visibility
👉 How to choose?
  • Choose SEC-K9 → For VPN, encryption, and secure WAN
  • Choose UC-K9 → For voice and collaboration deployment
  • Choose APP-K9 → For application-aware networking


Typical Applications

  • Enterprise branch networks
  • Secure WAN edge deployments
  • VPN connectivity between sites
  • Remote access solutions
  • Multi-branch enterprise infrastructure


Procurement Reference

  • Delivery format: Electronic License (ESD) or PAK
  • License type: Perpetual, tied to device (UDI required)
  • Compatibility: Specifically for Cisco ISR 4350
  • Lifecycle: May be in mature/EOL stage but still widely used


Why Buy from Sate Optics

We help customers simplify procurement and reduce cost:
✔ Competitive pricing ✔ Fast global delivery ✔ Reliable sourcing channels ✔ Professional technical support ✔ Flexible supply for projects


FAQ

Q1: What is Cisco SL-4350-SEC-K9 used for? A: It enables advanced security features such as VPN and encryption on Cisco ISR 4350 routers.

Q2: Is this a perpetual license? A: Yes, it is typically a perpetual software license.

Q3: Can this license be used on other ISR models? A: No, it is specifically designed for Cisco ISR 4350.


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