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About N Port Identifier Virtualization

N port identifier virtualization (NPIV) provides a means to assign multiple FC IDs to a single N port. This feature allows multiple applications on the N port to use different identifiers and allows access control, zoning, and port security to be implemented at the application level. Figure 1-1 shows an ex-ample application using

NPIV.

Figure 1-1 NPIV Example -

You must globally enable NPIV for all VSANs on the MDS switch to allow the NPIV-enabled applica-tions to use multiple N port identifiers.

Reference:

https://www.cisco.com/c/en/us/td/docs/switches/datacenter/mds9000/sw/5_0/configuration/guides/int/nxos/cli_interfaces/npv.html