Cisco CAT 4K/6K Advanced Security Subscription, 1 Year | Cloud Licensing — C1S1-1Y-CAT4K6KS1

Maintain advanced security coverage across Cisco Catalyst 4K/6K environments with a 1-year subscription term built for operational continuity. This license keeps security capabilities under active support, helping infrastructure teams preserve policy consistency and reduce gaps that can appear when subscriptions lapse. For enterprises standardizing on Catalyst switching, subscription-based security is often the cleaner procurement path versus perpetual add-ons. It aligns spend to a defined term, simplifies renewal planning, and keeps the environment tied to current entitlement status. That matters when access control, segmentation, and threat response depend on licensed features remaining active. This SKU is suited to organizations that want a straightforward annual commitment for advanced security coverage on Cisco Catalyst 4K/6K platforms. It is a practical fit for refresh cycles, budget-controlled deployments, and environments where license governance is part of the operating model. Ideal For Annual security licensing for Cisco Catalyst 4K/6K switch deployments Renewal-based entitlement management for campus access infrastructure Budgeted subscription coverage for enterprise network refresh programs License continuity planning for Cisco switching environments Why This Product 1 Annual term simplifies renewal planning versus open-ended licensing 2 Keeps Cisco security entitlements aligned to active subscription status 3 Built for Catalyst 4K/6K environments rather than generic network licensing 4 Supports budget-controlled procurement for enterprise switching