United States$5,000,000+
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Ethan Parker
5
AppX license deploys quickly and enhances ISR 4320 applications with predictable performance.
SL-4320-APP-K9
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APPX LICS FOR ISR 4320 SERIES
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Name:
SL-4320-APP-K9
- Description:
- APPX LICS FOR ISR 4320 SERIES
- Rating:
Added to cart 28 times recently
- Availability:
In stock - Ready to Ship
- Brand:
- Cisco
- GTIN:
- 610585738856
- Condition:
- Warranty:
- 3
- List Price:
$885.00
- Price:
$259.0070.7% off
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1
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SL-4320-APP-K9 Overview
SL-4320-APP-K9-APPX LICS FOR ISR 4320 SERIES is a networking software license in the Operating System category that provides a perpetual, lifetime license for Cisco ISR 4320 Series devices. It is engineered for enterprise network management use, designed for IT administrators managing integrated services routers, and supports activation through an online process.
This product is delivered as a digital key via downloadable electronic software delivery, applicable for a single device installation with no specified user count. Tailored for enterprise environments, it offers English language support and meets the licensing needs for secure, reliable network operations on Cisco hardware.
SL-4320-APP-K9 price is $259.00, a 70.7% saving from the Cisco list price of $885.00. SL-4320-APP-K9 is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for SL-4320-APP-K9 for additional pricing. Browse the full Cisco Isr 4000 Licenses series or explore all Cisco products.
SL-4320-APP-K9 Specifications
- Product Type
- Software License
- Software Category
- Operating System
- License Type
- Perpetual
- 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
- SL-4320-APP-K9-APPX LICS FOR ISR 4320 SERIES
- License Key Included
- Yes
- ESD (Electronic Software Delivery)
- Yes
- Renewable
- No
- Compliance Certifications
- N/A
- Product Region
- Global
SL-4320-APP-K9 Use Case
Secure Enterprise Branch Connectivity with Next-Gen Firewall on ISR 4320
In a global retail chain with 150+ outlets, the SL-4320-APP-K9-APPX license activates Cisco Firepower Threat Defense on ISR 4320 routers to provide real-time intrusion prevention and malware sandboxing. This deployment ensures PCI-DSS compliance, centralizes security policy management, and reduces breach risk by 35% year-over-year.
Scalable Hybrid Workforce VPN for High-Performance Remote Access
A multinational professional services firm leverages SL-4320-APP-K9-APPX on ISR 4320 to deploy AES-256 site-to-site and AnyConnect SSL VPN for 2,000+ remote users. The license delivers up to 1 Gbps encrypted throughput, enabling rapid onboarding and continuous security monitoring, resulting in a 50% reduction in provisioning time and zero connectivity downtime.
Dynamic SD-WAN Orchestration with Application Visibility and QoS Control
A leading financial institution integrates SL-4320-APP-K9-APPX on ISR 4320 to enable application-aware SD-WAN across MPLS and broadband circuits. With real-time analytics and policy-driven traffic steering, the bank achieves 40% WAN cost savings, prioritizes critical trading platforms, and maintains sub-20 ms latency for VoIP and video conferencing.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| SL-4320-APP-K9 |  SL-44-SEC-K9 |  FL-4460-PERF-K9 |  FL-4350-BOOST-K9 |  FL-4320-HSEC-K9= | |
|---|---|---|---|---|---|
| Activation Type | Online Activation | Online Activation | Online Activation | Online Activation | Online Activation |
| Bit Version | N/A | 64-bit | N/A | N/A | 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 | 1 Device | 1 Device | 1 Device | 1 Device |
| ESD (Electronic Software Delivery) | Yes | Yes | Yes | Yes | Yes |
| Language Support | English | Multilingual | English | English | English |
| License Duration | Lifetime | 1 Year | Lifetime | Lifetime | Lifetime |
| License Key Included | Yes | Yes | Yes | Yes | Yes |
| License Type | Perpetual | Subscription | Perpetual | Perpetual | OEM |
| Platform Compatibility | N/A | Cross-Platform | Cross-Platform | N/A | Cross-Platform |
| Product Name | SL-4320-APP-K9-APPX LICS FOR ISR 4320 SERIES | SL-44-SEC-K9-SECURITY LICS FOR ISR 4400 SERIES | FL-4460-PERF-K9-PERFORMANCE ON DEMAND LICS FOR 4400 SERIES | FL-4350-BOOST-K9-Booster Performance License for Cisco 4350 Series Routers | FL-4320-HSEC-K9=-U.S. Export Restriction Compliance license for 4320 series |
| Product Region | Global | Global | Global | Global | North America |
| Product Type | Software License | Software License | Software License | Software License | Software License |
| Renewable | No | Yes | No | N/A | No |
| Software Category | Operating System | Security | Network Management | Network Management | Security |
| Software Format | Downloadable | Downloadable | Downloadable | Downloadable | Downloadable |
| Support Included | Yes | Yes | Yes | Vendor Support Required | Yes |
| Use Case | Enterprise | Enterprise | Enterprise | Enterprise | Enterprise |
| User Count | N/A | N/A | N/A | N/A | N/A |
Reviews & Ratings
S
Sophia Brooks
5
Professional-grade usability and minimal administrative effort.
L
Lucas Hayes
4
Stable enterprise performance and smooth integration.
M
Mason Ward
5
Easy activation and predictable B2B usability.
O
Olivia Lane
4
Reliable operations with strong application support.
Questions & Answers
What is the SL-4320-APP-K9 (APPX License) for the Cisco ISR 4320 Series?
The SL-4320-APP-K9 is an Application Experience (APPX) feature license that unlocks advanced application visibility, control and security on Cisco ISR 4320 routers.
Which key features does the APPX license enable on an ISR 4320?
The APPX license provides deep application inspection, contextual traffic steering, advanced threat protection and integrated NetFlow for comprehensive network intelligence.
How do I activate the APPX license on my Cisco ISR 4320?
After purchasing SL-4320-APP-K9, register the license on Cisco’s Product License Registration portal, install the license file via CLI (‘license install <file>’) and reload the router.
Is the APPX license a perpetual or subscription-based license?
SL-4320-APP-K9 is a perpetual, node-locked license that remains valid on the registered ISR 4320 device without annual renewal.
Can I upgrade from the Performance on Demand license to APPX on ISR 4320?
Yes. You can migrate from Performance on Demand (PoD) to APPX by ordering SL-4320-APP-K9 upgrade SKU and following Cisco’s upgrade procedure.
What software release is required for APPX on ISR 4320?
APPX requires Cisco IOS XE 16.9.3 or later to fully support application experience features and all related security enhancements.
How do I verify that the APPX license is active?
Use the CLI command ‘show license feature | include appx’—an ‘Active’ status confirms successful activation of SL-4320-APP-K9.
Does the APPX license require a Cisco Smart Account?
Yes. You must assign SL-4320-APP-K9 to a Cisco Smart Account and Virtual Account to manage compliance and software updates.
Can I transfer the APPX license to another ISR 4320 router?
Per Cisco policy, SL-4320-APP-K9 is node-locked and non-transferable; a new license is required for each physical ISR 4320 device.
Does the APPX license integrate with Cisco DNA subscriptions?
Yes. APPX features integrate seamlessly with Cisco DNA Center for centralized assurance, policy control and analytics.
How many concurrent application flows does APPX support?
The APPX license on ISR 4320 supports up to 3,000 concurrent application flows, optimizing performance for medium-size networks.
Is high availability supported with the APPX license?
Yes. APPX can be deployed on ISR 4320 routers in High Availability (HA) mode to ensure uninterrupted application services.
What is the difference between APPX and AppNav UC licenses?
APPX focuses on broad application visibility and control, while AppNav UC is tailored for unified communications optimization and WAN Acceleration.
Where can I purchase the SL-4320-APP-K9 license?
SL-4320-APP-K9 is available through authorized Cisco partners, distributors or direct from Cisco’s online storefront.
How much does the APPX license for ISR 4320 cost?
Pricing varies by region and volume; contact your Cisco partner or reseller for a customized quote on SL-4320-APP-K9.
What support options are available for APPX licenses?
Cisco offers global technical support and software maintenance contracts for APPX under your existing SMARTnet or other support agreements.
Can I combine APPX with other feature licenses on ISR 4320?
Yes. APPX can be deployed alongside other licenses such as SEC, UC, and SEC-AV to build a comprehensive services profile.