Cisco NX-OS Base - (v. 5.2(1)N1(4)) - license

Cisco NX-OS is a highly-evolved modular operating system that builds on more than 15 years of innovation and experience in high-performance switching and routing. Cisco NX-OS finds its roots in the Cisco SAN-OS operating system used worldwide in business-critical loss-intolerant SAN networks. As a direct result of having been deployed and evolving from nearly a decade in the extremely critical storage area networking space, NX-OS can deliver the performance, reliability, and lifecycle expected in the data center.