Cisco EDGE ADVANTAGE w/ Essentials SIA for 400G, 36-59 Months | Support — ADN-ED-400G-SIA3

Keep your 400G deployment under a defined support umbrella for 36 to 59 months with Cisco Edge Advantage and Essentials SIA. This subscription is designed for infrastructure teams that need more than basic coverage: it helps preserve service continuity, reduce support ambiguity, and align maintenance planning with long-term network operations. For organizations running high-capacity environments, the value is in consistency. A multi-year support term gives procurement and operations a clearer cost horizon while helping technical teams avoid gaps in assistance during critical periods. That matters when the network carries production traffic, interconnects core systems, or supports workloads where downtime is expensive. Cisco support subscriptions are typically chosen when the cost of uncertainty is higher than the cost of coverage. This model is suited to teams that want a formal support path for their 400G investment, with a term long enough to match enterprise deployment cycles and short enough to stay aligned with refresh strategy. If you are standardizing support across a large installed base, this option helps keep service planning disciplined and predictable. Ideal For Supporting a 400G production network through a planned multi-year lifecycle Standardizing service coverage across enterprise infrastructure refresh cycles Maintaining vendor-backed support for high-capacity network deployments Budgeting support costs for a defined 36-59 month operating window Why This Product 1 Longer-term support coverage for 400G deployments 2 Subscription model supports predictable budgeting 3 Cisco-backed service path for enterprise operations 4 Designed for lifecycle alignment, not ad hoc support