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AppX license deploys quickly and enhances ISR 4320 applications with predictable performance.
SL-4320-APP-K9
APPX LICS FOR ISR 4320 SERIES
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SL-4320-APP-K9
APPX LICS FOR ISR 4320 SERIES
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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.
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.
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.
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.
To get the detailed certification, please go to the Compliance Center.
 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 |
AppX license deploys quickly and enhances ISR 4320 applications with predictable performance.
Professional-grade usability and minimal administrative effort.
Stable enterprise performance and smooth integration.
Easy activation and predictable B2B usability.
Reliable operations with strong application support.
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.
The APPX license provides deep application inspection, contextual traffic steering, advanced threat protection and integrated NetFlow for comprehensive network intelligence.
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.
SL-4320-APP-K9 is a perpetual, node-locked license that remains valid on the registered ISR 4320 device without annual renewal.