Cisco Catalyst 9400 DNA Essential 1Y Renewal | Network, Enterprise — C9400-DNA-E-1R

Sustain the software layer behind your Cisco Catalyst 9400 deployment with the DNA Essential 1-year renewal. This renewal is designed to keep essential platform capabilities active so your switching environment continues to support policy control, operational visibility, and the management model your team already depends on. For enterprise campus networks, the value of a renewal is continuity. It helps avoid gaps in entitlement, keeps the platform aligned with Cisco’s software lifecycle, and supports the planning discipline procurement and infrastructure teams need when managing multi-year network investments. That matters most in environments where switching is not just connectivity — it is the control plane for users, applications, and segmentation. The Catalyst 9400 family is built for high-value campus roles, and DNA Essential renewal helps preserve the software access that keeps those roles manageable over time. It is a practical fit for organizations standardizing on Cisco infrastructure and looking to protect prior investment while maintaining a clean renewal path. Ideal For Renewing DNA Essential coverage on an existing Catalyst 9400 deployment Maintaining software entitlement for campus switching operations Standardizing Cisco lifecycle management across enterprise network hardware Preserving policy and management access for core switching infrastructure Why This Product 1 Keeps Catalyst 9400 software entitlement active for 1 year 2 Better fit than ad hoc licensing for enterprise lifecycle control 3 Supports campus switching continuity and policy management 4 Designed for Cisco infrastructure standardization