{"product_id":"l-sl-4220-app-k9","title":"Cisco L-SL-4220-APP-K9 | AppX License for ISR 4221 | E-Delivery","description":"\u003cdiv class=\"product-desc\"\u003e\n\u003c!-- Section: About This Product --\u003e\n\u003cdiv style=\"margin-bottom: 32px;\"\u003e\n\u003ch2 style=\"font-size: 16px; font-weight: bold; color: #1a1a1a; border-bottom: 2px solid #e8e8e8; padding-bottom: 10px; margin: 0 0 16px 0; letter-spacing: 0.01em;\"\u003eAbout This Product\u003c\/h2\u003e\n\u003ch3 style=\"font-size: 14px; font-weight: 600; color: #1a1a1a; margin: 0 0 10px 0;\"\u003eBuy Cisco L-SL-4220-APP-K9 | ISR 4221 Application Experience (AppX) Technology Package License | E-Delivery\u003c\/h3\u003e\n\u003cp style=\"font-size: 14px; line-height: 1.75; color: #444; margin: 0 0 14px 0;\"\u003eThe \u003cstrong\u003eL-SL-4220-APP-K9\u003c\/strong\u003e is a \u003cstrong\u003eCisco ISR 4221 Application Experience (AppX) Technology Package License\u003c\/strong\u003e — the software upgrade that enables deep application visibility and intelligent path control on the Cisco ISR 4221 Integrated Services Router. This \u003cstrong\u003eCisco ISR 4221 APP license\u003c\/strong\u003e activates NBAR2 deep packet inspection for classifying 1,400+ applications, Application Visibility \u0026amp; Control (AVC) for per-application QoS and traffic shaping, Performance Routing v3 (PfRv3) for intelligent WAN path selection, and IP SLA for proactive performance monitoring, making it the ideal upgrade for branch deployments that need application-aware SD-WAN capabilities on the entry-level ISR 4000 platform.\u003c\/p\u003e\n\u003cp style=\"font-size: 14px; line-height: 1.75; color: #444; margin: 0;\"\u003eAlso referenced as \u003cstrong\u003eSL-4220-APP-K9\u003c\/strong\u003e or \u003cstrong\u003eL-SL-4220-APP-K9=\u003c\/strong\u003e, this \u003cstrong\u003eCisco ISR 4221 AppX license\u003c\/strong\u003e is a perpetual IOS XE Smart License that upgrades the default IP Base feature set with application-layer intelligence. The license enables \u003cstrong\u003eNBAR2 application recognition\u003c\/strong\u003e for granular traffic classification, \u003cstrong\u003eAVC\u003c\/strong\u003e for per-application bandwidth control and policy enforcement, \u003cstrong\u003ePfRv3\u003c\/strong\u003e for dynamic WAN path selection based on real-time performance metrics like jitter, loss, and MOS score, and \u003cstrong\u003eIP SLA\u003c\/strong\u003e for WAN link health monitoring. Whether you are optimizing SaaS application performance for a small branch or building an SD-WAN edge with application-aware routing, the \u003cstrong\u003eISR 4221 APP license e-delivery\u003c\/strong\u003e brings enterprise-grade application intelligence to the entry-level ISR 4000 router.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- Section: Key Features --\u003e\n\u003cdiv style=\"margin-bottom: 32px;\"\u003e\n\u003ch2 style=\"font-size: 16px; font-weight: bold; color: #1a1a1a; border-bottom: 2px solid #e8e8e8; padding-bottom: 10px; margin: 0 0 16px 0; letter-spacing: 0.01em;\"\u003e✅ Key Features\u003c\/h2\u003e\n\u003cul style=\"margin: 0; padding: 0; list-style: none;\"\u003e\n\u003cli style=\"font-size: 14px; line-height: 1.7; color: #444; padding: 7px 0 7px 20px; border-bottom: 1px solid #f5f5f5; position: relative;\"\u003e\n\u003cspan style=\"position: absolute; left: 0; color: #0070d2; font-weight: bold;\"\u003e•\u003c\/span\u003e \u003cstrong\u003eNBAR2 Deep Packet Inspection\u003c\/strong\u003e — classifies over 1,400 applications including SaaS, web, and custom enterprise applications\u003c\/li\u003e\n\u003cli style=\"font-size: 14px; line-height: 1.7; color: #444; padding: 7px 0 7px 20px; border-bottom: 1px solid #f5f5f5; position: relative;\"\u003e\n\u003cspan style=\"position: absolute; left: 0; color: #0070d2; font-weight: bold;\"\u003e•\u003c\/span\u003e \u003cstrong\u003eApplication Visibility \u0026amp; Control (AVC)\u003c\/strong\u003e — per-application QoS policies, bandwidth control, and traffic shaping with real-time dashboards\u003c\/li\u003e\n\u003cli style=\"font-size: 14px; line-height: 1.7; color: #444; padding: 7px 0 7px 20px; border-bottom: 1px solid #f5f5f5; position: relative;\"\u003e\n\u003cspan style=\"position: absolute; left: 0; color: #0070d2; font-weight: bold;\"\u003e•\u003c\/span\u003e \u003cstrong\u003ePerformance Routing v3 (PfRv3)\u003c\/strong\u003e — intelligent WAN path selection based on real-time link performance: jitter, packet loss, delay, and MOS scores\u003c\/li\u003e\n\u003cli style=\"font-size: 14px; line-height: 1.7; color: #444; padding: 7px 0 7px 20px; border-bottom: 1px solid #f5f5f5; position: relative;\"\u003e\n\u003cspan style=\"position: absolute; left: 0; color: #0070d2; font-weight: bold;\"\u003e•\u003c\/span\u003e \u003cstrong\u003eIP SLA\u003c\/strong\u003e — proactive network performance monitoring with synthetic traffic generation for WAN link health measurement\u003c\/li\u003e\n\u003cli style=\"font-size: 14px; line-height: 1.7; color: #444; padding: 7px 0 7px 20px; border-bottom: 1px solid #f5f5f5; position: relative;\"\u003e\n\u003cspan style=\"position: absolute; left: 0; color: #0070d2; font-weight: bold;\"\u003e•\u003c\/span\u003e \u003cstrong\u003eSD-WAN ready\u003c\/strong\u003e — application-aware routing with PfRv3 provides foundation for Cisco SD-WAN deployments\u003c\/li\u003e\n\u003cli style=\"font-size: 14px; line-height: 1.7; color: #444; padding: 7px 0 7px 20px; border-bottom: 1px solid #f5f5f5; position: relative;\"\u003e\n\u003cspan style=\"position: absolute; left: 0; color: #0070d2; font-weight: bold;\"\u003e•\u003c\/span\u003e \u003cstrong\u003eDoes NOT include SEC features\u003c\/strong\u003e — firewall and IPsec VPN require a separate SEC license; APP covers application visibility only\u003c\/li\u003e\n\u003cli style=\"font-size: 14px; line-height: 1.7; color: #444; padding: 7px 0 7px 20px; border-bottom: 1px solid #f5f5f5; position: relative;\"\u003e\n\u003cspan style=\"position: absolute; left: 0; color: #0070d2; font-weight: bold;\"\u003e•\u003c\/span\u003e \u003cstrong\u003ePerpetual Smart License\u003c\/strong\u003e — one-time purchase, no recurring subscription fees\u003c\/li\u003e\n\u003cli style=\"font-size: 14px; line-height: 1.7; color: #444; padding: 7px 0 7px 20px; position: relative;\"\u003e\n\u003cspan style=\"position: absolute; left: 0; color: #0070d2; font-weight: bold;\"\u003e•\u003c\/span\u003e Ideal for \u003cstrong\u003esmall branch SD-WAN, SaaS optimization, and application-aware routing\u003c\/strong\u003e on the entry-level ISR 4000 platform\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c!-- Section: Compatible Platform --\u003e\n\u003cdiv style=\"margin-bottom: 24px;\"\u003e\n\u003ch2 style=\"font-size: 16px; font-weight: bold; color: #1a1a1a; border-bottom: 2px solid #e8e8e8; padding-bottom: 10px; margin: 0 0 16px 0; letter-spacing: 0.01em;\"\u003eCompatible Platform\u003c\/h2\u003e\n\u003cp style=\"font-size: 14px; line-height: 1.75; color: #444; margin: 0;\"\u003eThe \u003cstrong\u003eL-SL-4220-APP-K9\u003c\/strong\u003e is exclusively compatible with the \u003cstrong\u003eCisco ISR 4221\u003c\/strong\u003e Integrated Services Router running IOS XE. Requires IOS XE software version 16.x or later with Smart Licensing enabled. The ISR 4221 base throughput is 35 Mbps aggregate; for higher performance, consider adding the \u003cstrong\u003eFL-4220-PERF-K9\u003c\/strong\u003e (75 Mbps) and \u003cstrong\u003eFL-4220-BOOST-K9\u003c\/strong\u003e (requires PERF) throughput licenses. \u003cstrong\u003eNot compatible\u003c\/strong\u003e with ISR 4321 or other ISR 4000 Series models — each platform uses its own license SKU. Please verify your router model before purchase.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- Section: Information Needed --\u003e\n\u003cdiv style=\"margin-bottom: 24px;\"\u003e\n\u003ch2 style=\"font-size: 16px; font-weight: bold; color: #1a1a1a; border-bottom: 2px solid #e8e8e8; padding-bottom: 10px; margin: 0 0 16px 0; letter-spacing: 0.01em;\"\u003eInformation Needed\u003c\/h2\u003e\n\u003cp style=\"font-size: 14px; line-height: 1.75; color: #444; margin: 0;\"\u003eTo generate your license file, please send the output of \u003ccode style=\"background: #f5f5f5; padding: 2px 6px; border-radius: 3px; font-size: 13px;\"\u003eshow license udi\u003c\/code\u003e from your Cisco ISR 4221 router to \u003cstrong\u003e\u003ca style=\"color: #0070d2; text-decoration: none;\" href=\"mailto:support@switchlicense.com\"\u003esupport@switchlicense.com\u003c\/a\u003e\u003c\/strong\u003e, or leave a message online after placing your order. The license file is tied to your specific device UDI and cannot be transferred to another unit.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- Section: License Delivery --\u003e\n\u003cdiv style=\"margin-bottom: 24px;\"\u003e\n\u003ch2 style=\"font-size: 16px; font-weight: bold; color: #1a1a1a; border-bottom: 2px solid #e8e8e8; padding-bottom: 10px; margin: 0 0 16px 0; letter-spacing: 0.01em;\"\u003eLicense Delivery\u003c\/h2\u003e\n\u003cp style=\"font-size: 14px; line-height: 1.75; color: #444; margin: 0;\"\u003eThis \u003cstrong\u003eCisco ISR 4221 Application Experience technology package license\u003c\/strong\u003e is delivered electronically. Once your device UDI is confirmed, we will send you the \u003cstrong\u003elicense entitlement by email\u003c\/strong\u003e. No physical shipment is required \u003c\/p\u003e\n\u003cp style=\"font-size: 14px; line-height: 1.75; color: #444; margin: 0;\"\u003e\u003cstrong\u003eThis license on sale are available exclusively Traditional License.\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- Section: Warranty --\u003e\n\u003cdiv style=\"margin-bottom: 24px;\"\u003e\n\u003ch2 style=\"font-size: 16px; font-weight: bold; color: #1a1a1a; border-bottom: 2px solid #e8e8e8; padding-bottom: 10px; margin: 0 0 16px 0; letter-spacing: 0.01em;\"\u003eWarranty\u003c\/h2\u003e\n\u003cp style=\"font-size: 14px; line-height: 1.75; color: #444; margin: 0;\"\u003eWe provide a \u003cstrong\u003e100% working warranty\u003c\/strong\u003e on all licenses. If the license does not activate correctly on your device, we will resolve the issue at no additional cost. All payments are processed securely via \u003cstrong\u003ePayPal\u003c\/strong\u003e for your peace of mind.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- Section: Part Numbers --\u003e\n\u003cdiv style=\"background: #f5f5f5; border-radius: 6px; padding: 14px 18px; font-size: 13px; color: #555; line-height: 1.8;\"\u003e\n\u003cstrong style=\"color: #1a1a1a;\"\u003ePart Numbers:\u003c\/strong\u003e SL-4220-APP-K9  |  L-SL-4220-APP-K9  |  SL-4220-APP-K9=  |  L-SL-4220-APP-K9=\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Cisco","offers":[{"title":"Default Title","offer_id":46945683374300,"sku":"L-SL-4220-APP-K9","price":40.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0636\/6402\/9916\/files\/L-SL-4220-APP-K9.jpg?v=1776688394","url":"https:\/\/switchlicense.com\/products\/l-sl-4220-app-k9","provider":"Switch License","version":"1.0","type":"link"}