{"product_id":"cisco-l-sl-a901-b","title":"Cisco L-SL-A901-B ASR 901 Base Feature E-Delivery License","description":"\u003cdiv class=\"product-desc\"\u003e\n\n  \u003c!-- Section: About This Product --\u003e\n  \u003cdiv style=\"margin-bottom:32px;\"\u003e\n    \u003ch2 style=\"font-size:16px;font-weight:700;color:#1a1a1a;border-bottom:2px solid #e8e8e8;padding-bottom:10px;margin:0 0 16px 0;letter-spacing:0.01em;\"\u003e\n      About This Product\n    \u003c\/h2\u003e\n\n    \u003ch3 style=\"font-size:14px;font-weight:600;color:#1a1a1a;margin:0 0 10px 0;\"\u003e\n      Buy Cisco L-SL-A901-B | ASR 901 IPBase \/ Base Feature License | E-Delivery\n    \u003c\/h3\u003e\n\n    \u003cp style=\"font-size:14px;line-height:1.75;color:#444;margin:0 0 6px 0;\"\u003e\n      This license on sale are available exclusively Traditional License.\n    \u003c\/p\u003e\n\n    \u003cp style=\"font-size:14px;line-height:1.75;color:#444;margin:0 0 14px 0;\"\u003e\n      The \u003cstrong\u003eL-SL-A901-B\u003c\/strong\u003e is the \u003cstrong\u003eCisco ASR 901 IPBase Feature License\u003c\/strong\u003e — the entry-level image license for the Cisco ASR 901 Series Aggregation Services Router. This \u003cstrong\u003eCisco ASR 901 Base license\u003c\/strong\u003e provides the foundational Layer 2 and Layer 3 feature set required for metro Ethernet deployments, including \u003cstrong\u003eEVC infrastructure, 802.1Q\/QinQ, H-QoS, BGP\/OSPF\/IS-IS routing, VRF-Lite, REP, CFM, IPSLA, SyncE, and 1588v2 Ordinary Clock Slave\u003c\/strong\u003e. It is the minimum required license for all ASR 901 chassis; no ports will function without an image-level license installed.\n    \u003c\/p\u003e\n\n    \u003cp style=\"font-size:14px;line-height:1.75;color:#444;margin:0;\"\u003e\n      Also referenced as \u003cstrong\u003eSL-A901-B\u003c\/strong\u003e or \u003cstrong\u003eSL-A901-B=\u003c\/strong\u003e, this \u003cstrong\u003eCisco ASR 901 IPBase e-delivery license\u003c\/strong\u003e is a perpetual, image-level license tied to the router's UDI. A router reload is required after installation. For advanced MPLS and TDM features, upgrade to \u003cstrong\u003eSL-A901-A (Advanced Metro IP Access)\u003c\/strong\u003e. Additional feature licenses — port upgrades (FLS-A901-4\/4S\/4T\/2Z), timing (SL-A901-T), and IPsec+NAT (SL-A901-I) — can be added on top of this base image. Compatible with all ASR 901 chassis variants.\n    \u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- Section: Key Features --\u003e\n  \u003cdiv style=\"margin-bottom:32px;\"\u003e\n    \u003ch2 style=\"font-size:16px;font-weight:700;color:#1a1a1a;border-bottom:2px solid #e8e8e8;padding-bottom:10px;margin:0 0 16px 0;letter-spacing:0.01em;\"\u003e\n      ✅ Key Features\n    \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:700;\"\u003e•\u003c\/span\u003e\n        \u003cstrong\u003eLayer 2 metro features\u003c\/strong\u003e — EVC, 802.1Q VLAN, 802.1ad QinQ, 802.3ah EFM, Y.1564\/RFC 2544, storm control, SPAN\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:700;\"\u003e•\u003c\/span\u003e\n        \u003cstrong\u003eLayer 3 routing\u003c\/strong\u003e — BGPv4, IS-IS, OSPFv2, BFD, Multi-hop BFD, VRF-Lite, HSRP, VRRP, PIM, IPv6 routing (OSPFv3, MP-BGP, BFDv6)\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:700;\"\u003e•\u003c\/span\u003e\n        \u003cstrong\u003e2-level H-QoS\u003c\/strong\u003e — hierarchical QoS with egress policing for carrier-grade SLA enforcement\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:700;\"\u003e•\u003c\/span\u003e\n        \u003cstrong\u003eRing protection\u003c\/strong\u003e — REP (Resilient Ethernet Protocol), REP over LAG\/LACP, dual RENN, MST for sub-50ms convergence\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:700;\"\u003e•\u003c\/span\u003e\n        \u003cstrong\u003eEthernet OAM\u003c\/strong\u003e — CFM (Bridge Domain \u0026amp; Port), IPSLA (excluding LSP), Y.1731 FM\/PM\/SLM\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:700;\"\u003e•\u003c\/span\u003e\n        \u003cstrong\u003eSynchronization\u003c\/strong\u003e — SyncE with SSM\/ESMC, 1588v2 OC Slave, 10MHz\/1PPS\/ToD, G.781 clock selection, hybrid clocking, redundant PTP (G.8265.1)\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:700;\"\u003e•\u003c\/span\u003e\n        \u003cstrong\u003eE-Delivery\u003c\/strong\u003e — license file delivered by email, requires router reload to activate\n      \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:700;\"\u003e•\u003c\/span\u003e\n        \u003cstrong\u003ePerpetual license\u003c\/strong\u003e — one-time purchase with no recurring subscription or annual renewal fee\n      \u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- Section: Compatible Platform --\u003e\n  \u003cdiv style=\"margin-bottom:24px;\"\u003e\n    \u003ch2 style=\"font-size:16px;font-weight:700;color:#1a1a1a;border-bottom:2px solid #e8e8e8;padding-bottom:10px;margin:0 0 16px 0;letter-spacing:0.01em;\"\u003e\n      Compatible Platform\n    \u003c\/h2\u003e\n    \u003cp style=\"font-size:14px;line-height:1.75;color:#444;margin:0;\"\u003e\n      The \u003cstrong\u003eSL-A901-B IPBase license\u003c\/strong\u003e is compatible with all \u003cstrong\u003eCisco ASR 901 Series\u003c\/strong\u003e chassis: A901-12C-FT-D, A901-12C-F-D, A901-4C-FT-D, A901-4C-F-D, A901-6CZ-FT-A\/D, A901-6CZ-F-A\/D, and A901-6CZ-FS-A\/D. This is the minimum required image-level license for ASR 901 operation. For MPLS and TDM features, upgrade to \u003cstrong\u003eSL-A901-A\u003c\/strong\u003e. Router reload required for activation. Stackable feature licenses for ports, timing, and IPsec sold separately.\n    \u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- Section: Information Needed --\u003e\n  \u003cdiv style=\"margin-bottom:24px;\"\u003e\n    \u003ch2 style=\"font-size:16px;font-weight:700;color:#1a1a1a;border-bottom:2px solid #e8e8e8;padding-bottom:10px;margin:0 0 16px 0;letter-spacing:0.01em;\"\u003e\n      Information Needed\n    \u003c\/h2\u003e\n    \u003cp style=\"font-size:14px;line-height:1.75;color:#444;margin:0;\"\u003e\n      To 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 ASR 901 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.\n    \u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- Section: License Delivery --\u003e\n  \u003cdiv style=\"margin-bottom:24px;\"\u003e\n    \u003ch2 style=\"font-size:16px;font-weight:700;color:#1a1a1a;border-bottom:2px solid #e8e8e8;padding-bottom:10px;margin:0 0 16px 0;letter-spacing:0.01em;\"\u003e\n      License Delivery\n    \u003c\/h2\u003e\n    \u003cp style=\"font-size:14px;line-height:1.75;color:#444;margin:0;\"\u003e\n      This \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 — install the file on your ASR 901 via the CLI and reload the router to activate the IPBase feature set.\n    \u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- Section: Warranty --\u003e\n  \u003cdiv style=\"margin-bottom:24px;\"\u003e\n    \u003ch2 style=\"font-size:16px;font-weight:700;color:#1a1a1a;border-bottom:2px solid #e8e8e8;padding-bottom:10px;margin:0 0 16px 0;letter-spacing:0.01em;\"\u003e\n      Warranty\n    \u003c\/h2\u003e\n    \u003cp style=\"font-size:14px;line-height:1.75;color:#444;margin:0;\"\u003e\n      We 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.\n    \u003c\/p\u003e\n  \u003c\/div\u003e\n\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\n    SL-A901-B  |  L-SL-A901-B  |  SL-A901-B=  |  L-SL-A901-B=\n  \u003c\/div\u003e\n\n\u003c\/div\u003e\n","brand":"Cisco","offers":[{"title":"Default Title","offer_id":50013672997084,"sku":"L-SL-A901-B","price":30.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0636\/6402\/9916\/files\/L-SL-A901-B.webp?v=1776693962","url":"https:\/\/switchlicense.com\/products\/cisco-l-sl-a901-b","provider":"Switch License","version":"1.0","type":"link"}