United States$5,000,000+
Inventory Delivered By
C
Cole Bennett
4
Security e-delivery for 3925 and 3945 added firewall and VPN features reliably. No performance issues noted.
L-SL-39-SEC-K9=
SECURITY E-DELIVERY PAK FOR CISCO 3925 3945
FEATURED DEAL
Name:
L-SL-39-SEC-K9=
- Description:
- SECURITY E-DELIVERY PAK FOR CISCO 3925 3945
- Rating:
Added to cart 28 times recently
- Availability:
In stock - Ready to Ship
- Brand:
- Cisco
- GTIN:
- 4053162063433
- Condition:
- Warranty:
- 3
- List Price:
$3,178.00
- Price:
$834.0073.8% off
Quantity:
1
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L-SL-39-SEC-K9= Overview
L-SL-39-SEC-K9=-SECURITY E-DELIVERY PAK FOR CISCO 3925 3945 is a security software package specifically designed to enhance the security capabilities of Cisco 3925 and 3945 routers. Delivered as an electronic software delivery pack, this product provides a digital key for online activation and is categorized under network security, ensuring that critical security features are enabled on Cisco devices.
This product is intended for enterprise and IT administration use, with a volume license that offers a lifetime duration per device. Its digital delivery method and downloadable software format allow for a streamlined activation process, while its compatibility with Cisco’s specialized hardware makes it the ideal security solution for SMBs, enterprises, and education environments requiring robust IT management.
L-SL-39-SEC-K9= price is $834.00, a 73.8% saving from the Cisco list price of $3,178.00. L-SL-39-SEC-K9= is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for L-SL-39-SEC-K9= for additional pricing. Browse the full Cisco Router Ios License series or explore all Cisco products.
L-SL-39-SEC-K9= Specifications
- Product Type
- Software License
- Software Category
- Security
- License Type
- Volume
- License Duration
- Lifetime
- Use Case
- Enterprise
- User Count
- N/A
- Device Count
- 1 Device
- Platform Compatibility
- N/A
- Delivery Method
- Digital Key
- Activation Type
- Online Activation
- Language Support
- English
- Bit Version
- N/A
- Cloud Integration
- N/A
- Software Format
- Downloadable
- Support Included
- Yes
- Product Name
- L-SL-39-SEC-K9=-SECURITY E-DELIVERY PAK FOR CISCO 3925 3945
- License Key Included
- Yes
- ESD (Electronic Software Delivery)
- Yes
- Renewable
- No
- Compliance Certifications
- N/A
- Product Region
- Global
L-SL-39-SEC-K9= Use Case
Next-Generation Firewall Activation for Branch-Office Perimeter Security
A regional retail chain deploys Cisco 3925/3945 routers with the L-SL-39-SEC-K9 Security E-Delivery Pak to enable integrated next-generation firewall and intrusion prevention at each store. By instantly activating advanced threat inspection, deep-packet analysis and zone-based policies, the chain reduces malware risk and unauthorized access across its 50+ outlets, ensuring PCI-DSS compliance and centralized security management with zero additional hardware.
High-Performance Site-to-Site IPsec VPN for Distributed Enterprise Connectivity
A professional services firm secures multi-office connectivity by licensing the Cisco 3925/3945 Integrated Services Routers with the L-SL-39-SEC-K9 Security E-Delivery Pak. This activation delivers hardware-accelerated IPsec VPN and AES-256 encryption at up to 225 Mbps, enabling seamless, end-to-end data protection between the New York headquarters and three satellite offices. The outcome is encrypted, high-throughput traffic, simplified tunnel orchestration and 99.99% uptime for mission-critical applications.
Comprehensive Threat Defense and Application Visibility for SMB Networks
An SMB financial advisory firm equips its branch office Cisco 3945 router with the L-SL-39-SEC-K9 Security E-Delivery Pak to unlock Cisco Firepower Threat Defense and Application Visibility and Control (AVC). This solution offers real-time signature updates, behavioral analytics and granular app-level policies, delivering actionable threat intelligence and prioritizing VoIP/video traffic on a single platform. The benefit is enhanced network performance, rapid threat response and full visibility into business-critical applications without deploying separate security appliances.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| L-SL-39-SEC-K9= |  SM-NAM-SW-5.1-K9 |  L-SL-29-SEC-K9= |  L-FL-C2911-WAASX= |  FL-29-CNFIL-1Y | |
|---|---|---|---|---|---|
| Activation Type | Online Activation | Online Activation | Online Activation | Online Activation | Online Activation |
| Bit Version | N/A | 64-bit | N/A | 64-bit | N/A |
| Cloud Integration | N/A | N/A | N/A | N/A | N/A |
| Compliance Certifications | N/A | N/A | N/A | N/A | N/A |
| Delivery Method | Digital Key | Digital Key | Digital Key | Digital Key | Digital Key |
| Device Count | 1 Device | Unlimited | 1 Device | Unlimited | 1 Device |
| ESD (Electronic Software Delivery) | Yes | Yes | Yes | Yes | Yes |
| Language Support | English | English | English | English | English |
| License Duration | Lifetime | Lifetime | Lifetime | Lifetime | 1 Year |
| License Key Included | Yes | Yes | Yes | Yes | Yes |
| License Type | Volume | Volume | Perpetual | Volume | Subscription |
| Platform Compatibility | N/A | Cross-Platform | Cross-Platform | Windows | N/A |
| Product Name | L-SL-39-SEC-K9=-SECURITY E-DELIVERY PAK FOR CISCO 3925 3945 | SM-NAM-SW-5.1-K9-PRIME NAM SW 5.1 FOR ISR G2 SRE SM | L-SL-29-SEC-K9=-SECURITY E-DELIVERY PAK FOR CISCO 2901-2951 | L-FL-C2911-WAASX=-WAASX FEATURE LICS PAK EDEL FOR 2911 | FL-29-CNFIL-1Y-Cisco 2900 License FL-29-CNFIL-1Y Content Filtering 1YR Subscription License for c2900 |
| Product Region | Global | Global | Global | Global | Global |
| Product Type | Software License | Software License | Software License | Software License | Software License |
| Renewable | No | No | N/A | No | Yes |
| Software Category | Security | Network Management | Security | Other | Security |
| Software Format | Downloadable | Downloadable | Downloadable | Downloadable | Downloadable |
| Support Included | Yes | Yes | Yes | Yes | Yes |
| Use Case | Enterprise | Enterprise | Enterprise | Enterprise | Enterprise |
| User Count | N/A | Unlimited | N/A | Unlimited | N/A |
Reviews & Ratings
N
Nusrat Fatima
5
Activation was straightforward and security services were stable.
F
Francesco Galli
5
Good license for branch security requirements on Cisco 3900 series.
I
Ilyas Khan
4
Worked as expected and simplified rollout across sites.
E
Evelyn Hart
5
Reliable security upgrade with clear value.
Questions & Answers
What is the Cisco SECURITY E-DELIVERY PAK for Cisco 3925/3945 (SKU L-SL-39-SEC-K9=)?
The Cisco SECURITY E-DELIVERY PAK (L-SL-39-SEC-K9=) is a software activation license that unlocks advanced security features on Cisco ISR 3925 and 3945 routers.
Which security features does this PAK enable on Cisco ISR 3925/3945 routers?
This PAK enables Cisco Stateful Firewall, Intrusion Prevention System (IPS), VPN encryption, URL filtering, and advanced malware protection on ISR 3925/3945 platforms.
How do I redeem the Cisco SECURITY E-DELIVERY PAK key?
Log in to the Cisco Software Licensing Portal, enter your PAK code (L-SL-39-SEC-K9=), and follow the on-screen instructions to generate and download your license file.
Is the SECURITY E-DELIVERY PAK a perpetual or term-based license?
The L-SL-39-SEC-K9= PAK is a perpetual license, granting permanent access to the purchased security features without recurring fees.
Which Cisco router models are supported by this security PAK?
This PAK is specifically designed for Cisco Integrated Services Routers ISR 3925 and ISR 3945.
How quickly will I receive my e-delivery license key?
Upon successful redemption in the Cisco portal, your license key is available immediately for download and installation.
Do I need an internet connection on my router to activate the license?
Yes. The ISR 3925/3945 requires internet access to reach Cisco’s Smart Licensing service for automatic activation and validation.
Can I transfer the security license to another router?
Yes. You can de-register the license on the original device and re-register it on another supported ISR 3925 or 3945 via the Cisco Smart Software Manager.
How do I verify the security license status on my ISR router?
Use the CLI command “show license status” or “show platform software status control-plane” to confirm activation and compliance details.
Are software updates included with the SECURITY E-DELIVERY PAK?
No. This PAK provides feature activation only; separate Cisco SMARTnet or software support contracts are required for OS and security signature updates.
What support options are available for this PAK?
Cisco SMARTnet support is recommended for technical assistance, software upgrades, and access to security signature updates.
Can I upgrade this PAK to a higher security license tier?
Yes. You can purchase and apply an upgrade PAK in the Cisco portal to move to a higher security tier or additional feature set.
What is the difference between the K9 security license and other Cisco license tiers?
The K9 tier specifically enables Cisco’s comprehensive security feature set on ISR 3925/3945, whereas other tiers may offer routing or performance enhancements without advanced security.
Are there any prerequisites before applying the security PAK?
Ensure your ISR is running a supported IOS XE software version and is registered in the Cisco Smart Software Manager before redeeming the PAK.
What do I do if license activation fails?
Verify internet connectivity, correct PAK entry, and Smart Account registration; then review the router logs or contact Cisco TAC for assistance.
Can this PAK be used alongside existing security licenses?
Yes. Cisco Smart Licensing supports co-existence of multiple PAKs; the highest-level feature set will be applied to the ISR 3925/3945.
How does Smart Licensing work with this e-delivery PAK?
Smart Licensing automatically tracks and reports your L-SL-39-SEC-K9= entitlements to your Cisco Smart Software Manager account for centralized compliance.