{"product_id":"l-fl-44-perf-k9","title":"Cisco L-FL-44-PERF-K9 | Performance License for 4431\/4451 | 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-FL-44-PERF-K9 | ISR 4400 Series Performance on Demand License for ISR 4431 \u0026amp; ISR 4451-X | E-Delivery\u003c\/h3\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eThis license on sale are available exclusively Traditional License.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"font-size: 14px; line-height: 1.75; color: #444; margin: 0 0 14px 0;\"\u003eThe \u003cstrong\u003eL-FL-44-PERF-K9\u003c\/strong\u003e is a \u003cstrong\u003eCisco ISR 4400 Series Performance on Demand License\u003c\/strong\u003e — the most cost-effective throughput upgrade for your \u003cstrong\u003eCisco ISR 4431 and ISR 4451-X Integrated Services Routers\u003c\/strong\u003e. This \u003cstrong\u003eCisco 4400 Series performance license\u003c\/strong\u003e doubles the router's rated aggregate throughput — boosting the \u003cstrong\u003eISR 4451-X from 1 Gbps to 2 Gbps\u003c\/strong\u003e and the \u003cstrong\u003eISR 4431 from 500 Mbps to 1 Gbps\u003c\/strong\u003e — without any hardware changes. For growing branch offices, enterprise WAN edges, and SD-WAN deployments, the \u003cstrong\u003eFL-44-PERF-K9 e-delivery license\u003c\/strong\u003e delivers immediate bandwidth scaling at a fraction of the cost of a hardware refresh.\u003c\/p\u003e\n\u003cp style=\"font-size: 14px; line-height: 1.75; color: #444; margin: 0;\"\u003eAlso referenced as \u003cstrong\u003eFL-44-PERF-K9\u003c\/strong\u003e, \u003cstrong\u003eFL-44-PERF-K9=\u003c\/strong\u003e, or \u003cstrong\u003eL-FL-44-PERF-K9=\u003c\/strong\u003e, this \u003cstrong\u003eCisco Performance on Demand license for 4400 Series\u003c\/strong\u003e is a perpetual, electronically delivered software license activated via Cisco's right-to-use licensing model. The \u003cstrong\u003eISR 4400 performance upgrade license\u003c\/strong\u003e unlocks latent hardware capacity already built into your router — no need to swap hardware, replace modules, or re-cable your rack. Simply apply the PAK, reload, and the increased throughput is immediately available across all forwarding planes. Ideal for organizations scaling up \u003cstrong\u003eIPsec VPN, MPLS, QoS, NAT, and firewall services\u003c\/strong\u003e on existing ISR 4400 infrastructure.\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\u003eDoubles aggregate throughput\u003c\/strong\u003e — ISR 4451-X from 1 Gbps to \u003cstrong\u003e2 Gbps\u003c\/strong\u003e, ISR 4431 from 500 Mbps to \u003cstrong\u003e1 Gbps\u003c\/strong\u003e\n\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 Single SKU covers \u003cstrong\u003eboth ISR 4431 and ISR 4451-X\u003c\/strong\u003e platforms — simplifies procurement and license management\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 on Demand\u003c\/strong\u003e — pay-as-you-grow model, activate increased throughput only when your bandwidth needs require it\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 license\u003c\/strong\u003e — one-time purchase, no recurring subscription, annual renewal, or term expiration\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\u003eE-Delivery PAK\u003c\/strong\u003e — license file delivered by email, activated via Cisco IOS XE CLI with no physical shipment required\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 Works with all \u003cstrong\u003eCisco IOS XE 16.x and 17.x\u003c\/strong\u003e releases — fully compatible with 17.9.x and 17.12.x maintenance trains\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 \u003cstrong\u003eNo hardware replacement needed\u003c\/strong\u003e — unlocks latent performance already built into your existing ISR 4400 router\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\u003eFL-44-PERF-K9\u003c\/strong\u003e performance license is compatible with the \u003cstrong\u003eCisco ISR 4431\u003c\/strong\u003e (all models: \u003cstrong\u003eISR4431\/K9\u003c\/strong\u003e, \u003cstrong\u003eISR4431-AX\/K9\u003c\/strong\u003e, \u003cstrong\u003eISR4431-AXV\/K9\u003c\/strong\u003e, \u003cstrong\u003eISR4431-SEC\/K9\u003c\/strong\u003e, \u003cstrong\u003eISR4431-V\/K9\u003c\/strong\u003e) and the \u003cstrong\u003eCisco ISR 4451-X\u003c\/strong\u003e (all models: \u003cstrong\u003eISR4451-X\/K9\u003c\/strong\u003e, \u003cstrong\u003eISR4451-AX\/K9\u003c\/strong\u003e, \u003cstrong\u003eISR4451-SEC\/K9\u003c\/strong\u003e, \u003cstrong\u003eISR4451-V\/K9\u003c\/strong\u003e). Requires a base \u003cstrong\u003eIP Base license (SL-44-IPB-K9)\u003c\/strong\u003e on the router. Not compatible with ISR 4321, ISR 4331, ISR 4351, ISR 4461, or Catalyst 8000 Series routers. For other ISR 4000 models, please check the corresponding performance license (e.g., \u003cstrong\u003eFL-4330-PERF-K9\u003c\/strong\u003e for ISR 4331 or \u003cstrong\u003eFL-4350-PERF-K9\u003c\/strong\u003e for ISR 4351). For maximum uncapped throughput, consider the \u003cstrong\u003eFL-44-BOOST-K9\u003c\/strong\u003e booster license.\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 4400 Series router to \u003cstrong\u003e\u003ca href=\"mailto:support@switchlicense.com\" style=\"color: #0070d2; text-decoration: none;\"\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 software license\u003c\/strong\u003e is delivered electronically. Once your device UDI is confirmed, we will send you the \u003cstrong\u003e.lic license file by email\u003c\/strong\u003e. No physical shipment is required — simply install the file on your ISR 4400 Series router and the doubled throughput capacity is immediately active.\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 file 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 FL-44-PERF-K9  |  L-FL-44-PERF-K9  |  FL-44-PERF-K9=  |  L-FL-44-PERF-K9=\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Cisco","offers":[{"title":"Default Title","offer_id":46957718438108,"sku":"L-FL-44-PERF-K9","price":70.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0636\/6402\/9916\/files\/L-FL-44-PERF-K9.jpg?v=1776688882","url":"https:\/\/switchlicense.com\/products\/l-fl-44-perf-k9","provider":"Switch License","version":"1.0","type":"link"}