Cisco C9400-DNX-A-3Y Advanced Software Subscription, Chassis | 3-Year — C9400-DNX-A-3Y

Maintain software entitlement for a Catalyst 9400 chassis with a 3-year advanced subscription designed for long-term platform planning. For teams standardizing on Cisco campus infrastructure, this type of license helps preserve continuity across refresh cycles, budget windows, and support planning. A chassis-level subscription is useful when the hardware platform is already selected and the priority is keeping the software side current and accounted for. It gives procurement a defined term, gives operations a clear renewal horizon, and helps architecture teams avoid gaps in coverage that can complicate change windows or lifecycle decisions. This 3-year model is especially relevant for enterprise networks that treat the chassis as a strategic asset rather than a commodity switch. By tying the subscription to the platform, it supports disciplined ownerJTFp of the deployment and keeps the software commitment aligned to the hardware investment. That makes it a practical choice when the goal is to protect platform value over a multi-year planning cycle. Ideal For Maintain software entitlement for a Catalyst 9400 chassis across a three-year budget cycle Align campus network licensing with a planned hardware refresh timeline Preserve coverage continuity during enterprise switch lifecycle management Standardize procurement for chassis-based Cisco infrastructure deployments Why This Product 1 Provides a defined 3-year term for easier budget planning 2 Ties entitlement to the Catalyst 9400 chassis rather than a generic software pool 3 Supports enterprise campus lifecycle management 4 Helps avoid gaps in software coverage during refresh cycles