Cisco Cat 4K/6K Advanced Security Subscription, 3-Year | Enterprise Licensing — C1S1-3Y-CAT4K6KS7

Maintain security coverage across Cat 4K/6K deployments with a 3-year Cisco subscription aligned to long-term infrastructure planning. This licensing model is built for organizations that want to preserve policy continuity and avoid short-term renewal churn in managed network environments. By extending advanced security coverage over a multi-year term, it supports cleaner budgeting and reduces the administrative overhead of frequent contract changes. That matters when your team is responsible for stable operations across distributed sites, where consistency is more valuable than constant requalification. Cisco’s subscription structure also fits procurement workflows that require clear term alignment and vendor accountability. For infrastructure teams standardizing on Cisco platforms, this SKU provides a straightforward way to keep security coverage active for the planned service window while supporting disciplined lifecycle management. Ideal For Standardizing security coverage across Cisco Cat 4K/6K deployments Planning multi-year procurement for managed network environments Maintaining entitlement continuity during scheduled infrastructure refresh cycles Supporting enterprise sites that require fixed-term licensing control Why This Product 1 3-year term reduces renewal frequency versus annual licensing 2 Cisco-specific entitlement fits Cat 4K/6K environments 3 Subscription model supports cleaner budget forecasting 4 Security coverage is aligned to planned service windows