Cisco NX-OS Security for XF Nexus 3K | Nexus 3000, Licensing, Enterprise — N3K-SEC-XF=

Strengthen the security posture of Cisco Nexus 3K switching with NX-OS Security for XF. This licensing option is designed for teams that need tighter control over access and policy enforcement without changing the underlying platform. It helps standardize security capabilities across the fabric, supporting consistent operations in environments where uptime, segmentation, and administrative control matter. For infrastructure teams managing production networks, the value is in reducing exposure while preserving operational discipline. NX-OS Security for XF fits into Cisco’s software model for the Nexus 3K family, making it easier to align feature access with deployment requirements and procurement planning. That matters when you are protecting high-value workloads, supporting regulated environments, or maintaining a stable switching layer across distributed sites. Choose this license when the cost of weak controls is higher than the cost of getting the right security features in place. It is a practical way to extend the life and value of Nexus 3K infrastructure while keeping the network aligned to enterprise security expectations. Ideal For Securing Cisco Nexus 3K access in enterprise data center networks Standardizing switch security features across distributed campus or edge sites Supporting regulated infrastructure that requires tighter administrative control Extending the value of existing Nexus 3K switching investments Why This Product 1 Adds security capability through Cisco licensing rather than hardware replacement 2 Built for Nexus 3K environments instead of generic switch software 3 Supports enterprise control requirements for production networks 4 Helps preserve existing switching investments while improving security posture