{"product_id":"l-fl-44-boost-k9","title":"Cisco L-FL-44-BOOST-K9 | Boost 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-BOOST-K9 | ISR 4400 Series Booster Performance License for 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-BOOST-K9\u003c\/strong\u003e is a \u003cstrong\u003eCisco ISR 4400 Series Booster Performance License\u003c\/strong\u003e — the ultimate throughput unlock for your \u003cstrong\u003eCisco ISR 4451-X Integrated Services Router\u003c\/strong\u003e. This \u003cstrong\u003eCisco 4451 boost license\u003c\/strong\u003e completely removes the aggregate throughput shaper, unleashing the full CPU capacity of the ISR 4451-X for up to \u003cstrong\u003e4+ Gbps of unshaped CEF routing throughput\u003c\/strong\u003e with all 9 PPE cores active. For high-performance enterprise WAN edge, data center interconnect, and bandwidth-intensive SD-WAN deployments, the \u003cstrong\u003eFL-44-BOOST-K9 e-delivery license\u003c\/strong\u003e is the definitive performance upgrade — no hardware swap, no downtime beyond a simple reload.\u003c\/p\u003e\n\u003cp style=\"font-size: 14px; line-height: 1.75; color: #444; margin: 0;\"\u003eAlso referenced as \u003cstrong\u003eFL-44-BOOST-K9\u003c\/strong\u003e, \u003cstrong\u003eFL-44-BOOST-K9=\u003c\/strong\u003e, or \u003cstrong\u003eL-FL-44-BOOST-K9=\u003c\/strong\u003e, this \u003cstrong\u003eCisco 4451-X booster performance license\u003c\/strong\u003e is a perpetual, electronically delivered Right-to-Use (RTU) license activated via a single CLI command. Compared to the factory default 1 Gbps (5 PPE cores) and the mid-tier 2 Gbps performance license (9 PPE cores), the \u003cstrong\u003eISR 4451 boost license\u003c\/strong\u003e disables all software-imposed rate limiting — throughput becomes limited only by your hardware and feature configuration. Starting with Cisco IOS XE 17.3.2, no pre-authorization or CSSM registration is required: simply issue \u003ccode style=\"background: #f5f5f5; padding: 2px 6px; border-radius: 3px; font-size: 13px;\"\u003eplatform hardware throughput level boost\u003c\/code\u003e, reload, and your ISR 4451-X is immediately running at maximum performance.\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 Removes the \u003cstrong\u003eaggregate throughput shaper\u003c\/strong\u003e — unlocks \u003cstrong\u003e4+ Gbps unshaped CEF routing\u003c\/strong\u003e on the ISR 4451-X\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 Activates all \u003cstrong\u003e9 PPE cores + 1 I\/O core\u003c\/strong\u003e — up from 5 PPE cores at factory default, delivering near-linear performance scaling\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\u003eRight-to-Use (RTU) license\u003c\/strong\u003e from IOS XE 17.3.2+ — no CSSM registration, no pre-authorization, activate instantly via CLI\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 with 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\u003c\/strong\u003e — license file delivered by email, activated with a single configuration command and a reload\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 16.7.1 and later\u003c\/strong\u003e releases ,traditional license under IOS XR16.9 \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 4451-X 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-BOOST-K9\u003c\/strong\u003e license is exclusively compatible with the \u003cstrong\u003eCisco ISR 4451-X Integrated Services Router\u003c\/strong\u003e series. Supported models include \u003cstrong\u003eISR4451-X\/K9\u003c\/strong\u003e, \u003cstrong\u003eISR4451-AX\/K9\u003c\/strong\u003e, \u003cstrong\u003eISR4451-SEC\/K9\u003c\/strong\u003e, and \u003cstrong\u003eISR4451-V\/K9\u003c\/strong\u003e. Requires \u003cstrong\u003eCisco IOS XE 16.7.1\u003c\/strong\u003e or later (RTU activation available from 17.3.2+). Not compatible with ISR 4431, ISR 4331, ISR 4351, ISR 4461, or Catalyst 8000 Series routers. For ISR 4431, use \u003cstrong\u003eFL-4430-BOOST-K9\u003c\/strong\u003e. For ISR 4461, use \u003cstrong\u003eFL-4460-BOOST-K9\u003c\/strong\u003e. Note: for encrypted VPN throughput above 225 Mbps, the \u003cstrong\u003eFL-44-HSEC-K9\u003c\/strong\u003e (HSEC license) is also required.\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 4451-X 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 4451-X, run \u003ccode style=\"background: #f5f5f5; padding: 2px 6px; border-radius: 3px; font-size: 13px;\"\u003eplatform hardware throughput level boost\u003c\/code\u003e, reload, and your router is immediately running at full unthrottled performance.\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-BOOST-K9  |  L-FL-44-BOOST-K9  |  FL-44-BOOST-K9=  |  L-FL-44-BOOST-K9=\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Cisco","offers":[{"title":"Default Title","offer_id":46957741572316,"sku":"L-FL-44-BOOST-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-BOOST-K9.jpg?v=1776688903","url":"https:\/\/switchlicense.com\/products\/l-fl-44-boost-k9","provider":"Switch License","version":"1.0","type":"link"}