Cisco ESS-100G-SIA-3 software license/upgrade 1 license(s) Subscription 3 year(s)

Core & Aggregation Essentials, Subscription license (3 years), 100 Gbps, Cisco Software Innovation, for licenses with active support agreements only - for Network Convergence System 5501, 5502, 5504, 5508, 55A1, 55A2