C H A P T E R 6 Configuring Flexattach Virtual Pwwn; Manually Enabling Flexattach Virtual Pwwn; Mapping Pwwn To Virtual Pwwn - Cisco AP776A - Nexus Converged Network Switch 5020 Configuration Manual

Chapter 6 Configuring FlexAttach Virtual pWWN
S e n d d o c u m e n t a t i o n c o m m e n t s t o m d s f e e d b a c k - d o c @ c i s c o . c o m
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Manually Enabling FlexAttach Virtual pWWN

You can manually assign a WWN to the interface, without generating it through the switch. Several
checks are done by the NPV core to ensure the uniqueness of virtual pWWNs in the switch. When
duplicate virtual pWWNs are configured, the subsequent logins are rejected by the NPV core switch.
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Note The interface mentioned in the interface value must be in a shut state.
To enable virtual pWWN manually, perform this task:
Command
Step 1
switch# config t
Step 2
switch# (config)# flex-attach
virtual-pwwn vpwwn interface
interface
switch# (config)# flex-attach
virtual-pwwn vpwwn interface
interface [vsan vsan]
Step 3
switch# (config)# flex-attach
commit
The interface mentioned in the interface value must be in a shut state.
Note

Mapping pWWN to Virtual pWWN

You can configure virtual pWWNs through real pWWNs. This process is required for NPIV hosts
containing multiple pWWNs, of which only FLOGI is mapped to the virtual pWWN. Subsequent
FDSIDs will have different mappings.
Several checks are done by the NPV core to ensure the uniqueness of virtual pWWNs in the switch across
the NPV switches. When duplicate virtual pWWNs are configured, the subsequent logins are rejected by
the NPV core switch.
OL-18084-01, Cisco MDS NX-OS Release 4.x
When the interface-list value is not included in the command, virtual pWWN is enabled globally.
All the interfaces mentioned in the interface-list value must be in a shut state.
Some ports may be in automode, some in manual mode, and the virtual pWWNs need not be
assigned.
The port must be in a shut state when a virtual pWWN is enabled.
Purpose
Enters configuration mode.
Configures the FlexAttach virtual
pWWN for the interface.
Configures the FlexAttach virtual
pWWN for the interface in the VSAN.
Commits the configuration.
Cisco MDS 9000 Family CLI Configuration Guide
Configuring FlexAttach Virtual pWWN
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