Cisco Nexus 5000 Series Switch Fabric Manager Software Configuration Guide, NX-OS 4.0 (OL-16598-01, June 2008)

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12-3
Nexus 5000 Series Switch Fabric Manager Software Configuration Guide
OL-16598-01
Chapter 12 Configuring N-Port Virtualization
Information About NPV
After completing its FLOGI request, the Nexus 5000 Series switch registers itself with the fabric name
server using the following additional parameters:
• Switch name and interface name (for example, fc2/4) of the NP port is embedded in the symbolic
port name in the name server registration of the NPV device itself.
• The IP address of the Nexus 5000 Series switch is registered as the IP address in the name server
registration of the NPV device.
Note The BB_SCN of internal FLOGIs on NP ports is always set to zero. The BB_SCN is supported at the
F-port of the NPV device.
Figure 12-2 shows the internal FLOGI flows between an NPV core switch and an NPV device.
Figure 12-2 Internal FLOGI Flows
Table 12-1 identifies the internal FLOGI parameters that appear in Figure 12-2.
Although fWWN-based zoning is supported for NPV devices, it is not recommended because of these
factors:
• Zoning is not enforced at the NPV device (rather, it is enforced on the NPV core switch).
• Multiple devices attached to an NPV device log in through the same F port on the core, so they
cannot be separated into different zones.
NPV Core Switch
fc 5/10 fwwn
pwwn
nwwn
fc 1/5
NPV Device
184572
Table 12-1 Internal FLOGI Parameters
Parameter Derived From
pWWN The fWWN of the NP port.
nWWN The VSAN-based sWWN of the NPV device.
fWWN The fWWN of the F port on the NPV core switch.
symbolic port name The switch name and NP port interface string.
Note If there is no switch name available, then the output will read “switch.”
For example, switch: fc2/3.
IP address The IP address of the NPV device.
symbolic node name The NPV switch name.