Cisco FL-1100-4P-HSEC IPsec HSEC License | ISR 1100, Security — FL-1100-4P-HSEC

Increase encrypted traffic capacity on Cisco ISR 1100 4P Series routers with the FL-1100-4P-HSEC license. This entitlement is designed for organizations that depend on secure VPN connectivity at the branch and need more headroom for IPsec workloads than the base platform allows. For distributed networks, the value is straightforward: keep protected traffic moving without forcing a hardware refresh. That matters when remote sites carry voice, application access, and backhaul traffic through a single edge router. By enabling HSEC functionality, this license supports stronger encryption use cases while helping preserve router performance for day-to-day operations. It is a practical fit for teams standardizing on Cisco ISR 1100 4P hardware and looking to align security capability with business demand. Instead of overbuying infrastructure, you extend the usefulness of the installed base with the right software entitlement for encrypted traffic growth. Ideal For Enable higher-capacity IPsec VPN traffic on a Cisco ISR 1100 4P branch router Support secure site-to-site tunnels for distributed office connectivity Extend the useful life of installed Cisco edge hardware without a chassis refresh Meet encryption requirements for branch networks carrying sensitive application traffic Why This Product 1 Adds encryption capacity without a router replacement 2 Targets Cisco ISR 1100 4P Series specifically 3 Better fit for secure branch growth than base licensing 4 Keeps procurement focused on software entitlement, not hardware refresh