Cisco Core & Aggregation Advantage with Essentials - (v. 2.0) - Right-To-Use licence - 100 Gbps - for P/N: NC57B1-5DSE-P-SYS, NC57C1-48Q6-P-SYS, NC57C3-MOD-P-SYS, NC57C3-MODS-P-SYS