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SL-44-APP-K9
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AppX License (Paper) for Cisco 4451 and 4431 (System)
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Name:
SL-44-APP-K9
- Description:
- AppX License (Paper) for Cisco 4451 and 4431 (System)
- Rating:
Added to cart 28 times recently
- Availability:
2 In stock - Ready to Ship
- Brand:
- Cisco
- GTIN:
- 882658690327
- Condition:
Certified Refurbished
Professionally inspected, bench-tested, and firmware-verified, with configurations wiped. Restored to full working order and backed by our warranty.
- Warranty:
- 3
- List Price:
$3,861.00
- Price:
$1,431.0062.9% off
Quantity:
1
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SL-44-APP-K9 Overview
SL-44-APP-K9-AppX License (Paper) for Cisco 4451 and 4431 (System) is a network management software license designed specifically for Cisco's high-performance 4451 and 4431 systems. This physical license enables enterprises to optimize router performance and maintain system integrity with a perpetual, lifetime usage right, delivered via a printed license certificate.
Engineered for IT administrators and enterprise-level use, this license supports the corresponding Cisco systems without dependency on operating systems such as Windows, macOS, or Linux. It is activated offline on a per-device basis and tailored for environments requiring dedicated network management and reliability, making it an ideal solution for large-scale IT management and mission-critical network operations.
SL-44-APP-K9 price is $1,431.00, a 62.9% saving from the Cisco list price of $3,861.00. SL-44-APP-K9 is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for SL-44-APP-K9 for additional pricing. Browse the full Cisco Isr 4000 Licenses series or explore all Cisco products.
SL-44-APP-K9 Specifications
- Product Type
- Software License
- Brand
- Cisco
- Software Category
- Network Management
- License Type
- Perpetual
- License Duration
- Lifetime
- Use Case
- Enterprise
- Device Count
- 1 Device
- Delivery Method
- License Certificate
- Activation Type
- Offline Activation
- Language Support
- English
- Software Format
- Physical
- Support Included
- Yes
- Product Name
- SL-44-APP-K9-AppX License (Paper) for Cisco 4451 and 4431 (System)
- License Key Included
- Yes
- ESD (Electronic Software Delivery)
- No
- Renewable
- No
- Product Region
- Global
SL-44-APP-K9 Use Case
Global Retail SD-WAN Acceleration with SL-44-APP-K9-AppX License on Cisco 4451/4431
A multinational retail chain deploys Cisco 4451 and 4431 routers equipped with the SL-44-APP-K9-AppX license to enable application-aware SD-WAN, real-time WAN optimization and dynamic path selection. Outcome: 30% reduction in VoIP/video latency, 40% lower MPLS costs and consistent checkout performance across 200+ stores.
Secure Cloud SaaS Acceleration for Financial Services Using SL-44-APP-K9-AppX License
A global financial institution leverages the SL-44-APP-K9-AppX license on Cisco 4451/4431 to accelerate and secure cloud-hosted trading and analytics platforms with application-level QoS, AES-256 encryption and policy-based routing. Outcome: 20% faster application response, full PCI DSS compliance and end-to-end data protection between sites.
Branch Video Collaboration & Backup Optimization with SL-44-APP-K9-AppX License
A professional services firm integrates the SL-44-APP-K9-AppX license on Cisco 4451 and 4431 routers across 50 branch offices to optimize video conferencing and off-site backups via application-aware traffic shaping and WAN acceleration. Outcome: 50% bandwidth savings, 25% faster backup windows and seamless team collaboration.
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Product Comparison Table 
| SL-44-APP-K9 |  FL-4350-PERF-K9 |  FL-4330-HSEC-K9 |  SL-4220-SEC-K9 |  SL-44-SEC-K9 | |
|---|---|---|---|---|---|
| Product Type | Software License | Software License | Software License | Software License | Software License |
| Software Category | Network Management | Network Management | Security | Security | Security |
| License Type | Perpetual | Perpetual | OEM | Subscription | Subscription |
| License Duration | Lifetime | Lifetime | Lifetime | 1 Year | 1 Year |
| Use Case | Enterprise | Enterprise | Enterprise | Enterprise | Enterprise |
| Delivery Method | License Certificate | Digital Key | Digital Key | Digital Key | Digital Key |
| Activation Type | Offline Activation | Online Activation | Online Activation | Online Activation | Online Activation |
| Language Support | English | English | English | English | Multilingual |
| Software Format | Physical | Downloadable | Downloadable | Downloadable | Downloadable |
| Support Included | Yes | Vendor Support Required | Vendor Support Required | Vendor Support Required | Yes |
| Product Name | SL-44-APP-K9-AppX License (Paper) for Cisco 4451 and 4431 (System) | FL-4350-PERF-K9 | FL-4330-HSEC-K9-U.S. Export Restriction Compliance License for 4330 Series | SL-4220-SEC-K9-Security License for Cisco ISR 4220 Series | SL-44-SEC-K9-SECURITY LICS FOR ISR 4400 SERIES |
| License Key Included | Yes | Yes | Yes | Yes | Yes |
| ESD (Electronic Software Delivery) | No | Yes | Yes | Yes | Yes |
| Renewable | No | No | No | Yes | Yes |
| Product Region | Global | Global | North America | Global | Global |
Compliance & Coverage
100% Genuine Product Guarantee
Every unit is authentic, sourced through trusted and authorised channels, and serial-verified on request. Genuine networking and IT hardware, guaranteed, or your money back.
Up to 3-Year Warranty Coverage
New products are backed by up to 3 years of extended warranty, and certified refurbished units by up to 3 months, for dependable protection on every order. Coverage is clear, honoured in full, and confirmed on each product page.
Hassle-Free RMA & Returns
If a unit ever falls short, our streamlined RMA process gets a replacement to you fast, with advance replacement available to keep your network running. No jargon, no runaround.
Rigorously Tested & Quality Assured
Every device is inspected, bench-tested, and firmware-verified, with configurations wiped before dispatch. Additional testing can be arranged to confirm full working condition on request.
Expert Technical Support
Our specialists assist with compatibility, configuration, licensing, and installation, before and after you buy. Real hardware expertise, whenever you need it.
Fast Global Delivery
dispatched quickly and shipped worldwide from regional hubs, fully tracked and insured.
Reviews & Ratings
E
Ethan Hayes
5
AppX license enhances ISR 4400 series application performance with minimal setup and predictable results.
I
Isabella Ward
5
Professional-grade B2B usability and smooth deployment.
L
Lucas Brooks
5
Reliable activation and stable enterprise operations.
S
Sophia Hayes
5
Seamless integration and predictable performance.
M
Mason Ward
5
Easy management with strong application reliability.
Questions & Answers
What is the Cisco AppX License (SKU SL-44-APP-K9) for Cisco 4451 and 4431 systems?
The Cisco AppX License (SKU SL-44-APP-K9) is a perpetual software entitlement delivered as a paper certificate containing an activation key that unlocks advanced AppX features on Cisco 4451 and 4431 routers.
Which Cisco router models are compatible with the SL-44-APP-K9 AppX License?
The SL-44-APP-K9 AppX License is compatible exclusively with Cisco 4451-X and 4431 Integrated Services Routers running Cisco IOS XE.
What key functionalities does the AppX License enable on Cisco 4451 and 4431?
The AppX License activates advanced application visibility, real-time traffic classification, quality of service (QoS), and WAN optimization features on supported routers.
How do I install the paper-based AppX License on my Cisco router?
Use the Cisco CLI command “license install <activation-key-file>”, then verify with “show license summary” and save the configuration with “write memory.”
Is the AppX License delivered digitally or via paper certificate?
The SL-44-APP-K9 is delivered as a physical paper license certificate; a digital entitlement option is available under alternate SKUs.
How long is the AppX License valid once installed?
The AppX License is perpetual and does not expire, providing continuous access to licensed features without renewal.
Can I upgrade a term-based AppX License to a perpetual license?
No direct upgrade path exists; to convert a term-based license to perpetual, a new SL-44-APP-K9 perpetual entitlement must be purchased.
How do I activate the AppX License from the paper certificate?
Enter the activation key printed on the certificate into the router CLI with “license install” and confirm success via “show license status.”
What command verifies that the AppX features are active?
Run “show license summary” or “show license right-to-use” on the router to confirm the AppX License is installed and in use.
How do I renew or extend an AppX License?
Perpetual SL-44-APP-K9 licenses do not require renewal; for term-based licenses, repurchase the term SKU before expiration.
Is Cisco technical support included with the AppX License?
Technical support and software updates require an active Cisco SMARTnet or Solution Support contract and are not bundled with the license itself.
Can I transfer my AppX License to a different router?
Yes, perpetual AppX Licenses can be transferred between eligible devices under the same SMARTnet account by submitting a license transfer request through the Cisco License Portal.
What is the typical delivery lead time for the paper-based AppX License?
Delivery generally takes 3–5 business days after order confirmation, depending on your region and reseller logistics.
How is pricing determined for the SL-44-APP-K9 AppX License?
Pricing varies by region, currency, and volume; contact an authorized Cisco partner or reseller for a formal quote.
Where can I purchase the Cisco AppX License (SKU SL-44-APP-K9)?
You can purchase the SL-44-APP-K9 through Cisco’s official website, authorized Cisco partners, or certified resellers.
What software prerequisites are required before installing the AppX License?
Ensure your Cisco 4451 or 4431 router is running Cisco IOS XE 16.6.4 or later and has adequate memory for AppX feature activation.