The FL-SSLVPN100-K9 is more than a product—it’s a robust solution designed to bridge the gap between security and simplicity. Developed by Cisco, this feature license unlocks the ability to host up to 100 simultaneous clientless SSL VPN sessions on compatible Cisco Integrated Services Routers (ISRs). It’s engineered for organizations that demand secure, remote access without burdening users or IT teams with client installations.
In today’s evolving digital workspace, mobility and flexibility are non-negotiables. That’s where this license proves its worth. It allows remote employees, partners, or vendors to securely access internal web applications, file shares, and resources through any modern web browser—no VPN software required. Whether accessing an internal portal or collaborating on shared documents, users experience fluid connectivity protected by enterprise-grade encryption.
Product Overview
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Product Name: Cisco SSL VPN Feature License – 100 Users
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Part Number: FL-SSLVPN100-K9
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Functionality: Enables secure, clientless SSL VPN access for up to 100 concurrent users
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Supported Hardware: Cisco ISR G2 platforms—models 1900, 2900, and 3900 series routers
By leveraging browser-based access, this license eliminates the complexity of deploying and maintaining dedicated VPN clients across diverse devices. It’s especially useful in dynamic environments where endpoints may vary—from corporate laptops to personal mobile devices.
Key Advantages
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Clientless Accessibility: No need for end-user installations. The VPN runs through the browser, simplifying setup and reducing helpdesk tickets.
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Scalable Design: Built to accommodate up to 100 concurrent connections, it’s ideal for medium to large organizations needing flexible access options.
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Advanced Security: SSL encryption ensures all communication remains private and protected, even on unsecured networks.
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IOS Integration: Operates natively within Cisco IOS software, streamlining management and ensuring consistency across the network stack.
Ideal Use Scenarios
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Remote Workforce Enablement: Keeps remote staff connected to critical systems without compromising security or usability.
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Partner/Vendor Collaboration: Provides external stakeholders with tightly controlled access, enabling secure partnerships.
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BYOD Support: Perfect for environments where personal devices are part of daily operations, allowing access without installations.
Important Considerations
Cisco has announced the end-of-sale and end-of-life for its clientless SSL VPN (WebVPN) features within Cisco IOS. The FL-SSLVPN100-K9 license reached its final sale date on November 10, 2018, and official support ended November 30, 2022. Cisco now recommends transitioning to more modern, fully supported VPN solutions such as Cisco AnyConnect Secure Mobility Client for sustained remote access functionality.
Availability and Procurement
Although discontinued by Cisco, this license may still be sourced through secondary channels or authorized resellers. Vendors like TXO occasionally offer unused or refurbished units. However, without official Cisco backing, buyers should exercise due diligence. Compatibility, firmware support, and future scalability are critical concerns when opting for legacy licensing.
Organizations exploring or expanding remote access capabilities should consider consulting a Cisco-certified partner. They can help evaluate current needs, identify supported alternatives, and implement solutions that ensure performance, scalability, and security for years to come
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