NPV Overview
N port virtualization (NPV) reduces the number of Fibre Channel domain IDs in SANs. Switches operating in the NPV mode do not join a fabric. They pass traffic between NPV core switch links and end devices, which eliminates the domain IDs for these edge switches.
NPV is supported by the following Cisco MDS 9000 switches and Cisco Nexus 5000 Series switches only:
Note NPV is available on these switches only while in NPV mode; if in switch mode, NPV is not available.
Copyright 2010-2013, Cisco Systems, Inc. All rights reserved.