{"product_id":"l-fl-4430-boost-k9","title":"Cisco L-FL-4430-BOOST-K9 | Boost License for ISR 4431 | 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-4430-BOOST-K9 | ISR 4430 Series Booster Performance License for ISR 4431 | 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-4430-BOOST-K9\u003c\/strong\u003e is a \u003cstrong\u003eCisco ISR 4430 Series Booster Performance License\u003c\/strong\u003e — the ultimate performance unlock for your \u003cstrong\u003eCisco ISR 4431 Integrated Services Router\u003c\/strong\u003e. This \u003cstrong\u003eCisco IOS XE booster license\u003c\/strong\u003e removes all software-imposed throughput caps, unleashing the full hardware capability of the ISR 4431 with up to \u003cstrong\u003e4 Gbps aggregate CEF throughput\u003c\/strong\u003e and support for up to \u003cstrong\u003e5,000 concurrent VPN tunnels\u003c\/strong\u003e, making it the essential \u003cstrong\u003eCisco 4431 performance upgrade license\u003c\/strong\u003e for bandwidth-intensive enterprise edge, branch aggregation, and secure SD-WAN deployments.\u003c\/p\u003e\n\u003cp style=\"font-size: 14px; line-height: 1.75; color: #444; margin: 0;\"\u003eAlso referenced as \u003cstrong\u003eFL-4430-BOOST-K9\u003c\/strong\u003e, \u003cstrong\u003eFL-4430-BOOST-K9=\u003c\/strong\u003e, or \u003cstrong\u003eL-FL-4430-BOOST-K9=\u003c\/strong\u003e, this \u003cstrong\u003eCisco 4431 booster performance license\u003c\/strong\u003e is a perpetual, electronically delivered software license that activates directly on your existing ISR 4431 hardware. Compared to the base 500 Mbps default throughput and the 1 Gbps mid-tier performance license, the \u003cstrong\u003eISR 4431 boost license\u003c\/strong\u003e delivers a dramatic increase in forwarding capacity — ideal for networks running concurrent services such as \u003cstrong\u003eIPsec VPN, advanced QoS, NAT, firewall, and MPLS\u003c\/strong\u003e. No hardware swap needed: simply install the license file and your ISR 4431 is immediately upgraded to its maximum rated 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 all \u003cstrong\u003esoftware-imposed throughput caps\u003c\/strong\u003e — unlocks up to \u003cstrong\u003e4 Gbps CEF forwarding\u003c\/strong\u003e on the ISR 4431\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 Supports up to \u003cstrong\u003e5,000 concurrent IPsec VPN tunnels\u003c\/strong\u003e — ideal for large-scale secure branch and remote access\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 Enables advanced \u003cstrong\u003ehierarchical QoS policies\u003c\/strong\u003e — traffic shaping, policing, classification, and prioritization for voice, video, and data\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 sent by email, activated via Cisco IOS XE CLI or web interface with no physical shipment\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 16.9 and later\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 No hardware replacement required — activates directly on your \u003cstrong\u003eexisting Cisco ISR 4431\u003c\/strong\u003e 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-4430-BOOST-K9\u003c\/strong\u003e license is exclusively compatible with the \u003cstrong\u003eCisco ISR 4431 Integrated Services Router\u003c\/strong\u003e series. Supported models include \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, and \u003cstrong\u003eISR4431-V\/K9\u003c\/strong\u003e. Requires \u003cstrong\u003eCisco IOS XE 16.9\u003c\/strong\u003e or later. Not compatible with ISR 4321, ISR 4331, ISR 4351, ISR 4451, or Catalyst 8000 series routers. For other ISR 4000 models, please check the corresponding booster license (e.g., \u003cstrong\u003eFL-4330-BOOST-K9\u003c\/strong\u003e for ISR 4331 or \u003cstrong\u003eFL-44-BOOST-K9\u003c\/strong\u003e for ISR 4451).\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 4431 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 4431 and the booster performance upgrade 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-4430-BOOST-K9  |  L-FL-4430-BOOST-K9  |  FL-4430-BOOST-K9=  |  L-FL-4430-BOOST-K9=\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Cisco","offers":[{"title":"Default Title","offer_id":46957695303900,"sku":"L-FL-4430-BOOST-K9","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0636\/6402\/9916\/files\/L-FL-4430-BOOST-K9.jpg?v=1776688860","url":"https:\/\/switchlicense.com\/products\/l-fl-4430-boost-k9","provider":"Switch License","version":"1.0","type":"link"}