Flexattach Virtual Pwwn Guidelines And Requirements; Configuring Flexattach Virtual Pwwn; Enabling Flexattach Virtual Pwwn; Automatically Enabling Flexattach Virtual Pwwn - Cisco AP776A - Nexus Converged Network Switch 5020 Configuration Manual

Cisco mds 9000 family cli configuration guide - release 4.x (ol-18084-01, february 2009)
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FlexAttach Virtual pWWN Guidelines and Requirements

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
FlexAttach Virtual pWWN Guidelines and Requirements
Following are recommended guidelines and requirements when deploying FlexAttach virtual pWWN:

Configuring FlexAttach Virtual pWWN

This section describes how to configure FlexAttach virtual pWWN feature and includes the following
topics:

Enabling FlexAttach Virtual pWWN

The FlexAttach virtual pWWN feature is enabled automatically, manually, or by mapping pWWN to
virtual pWWN.

Automatically Enabling FlexAttach Virtual pWWN

The virtual pWWN is enabled automatically on all the NPV switches or per port on the NPV box. When
enabled automatically, a virtual WWN is generated from the device switch WWN. This WWN is used
as the virtual pWWN. Virtual pWWNs are generated using the local switch WWNs.
Note
The port must be in a shut state when the virtual pWWN is enabled.
To enable virtual pWWN automatically, perform this task:
Command
Step 1
switch# config t
Step 2
switch# (config)# flex-attach
virtual-pwwn auto [interface
interface-list]
switch# (config)# flex-attach
virtual-pwwn auto [vsan
vsan-range]
Step 3
switch# (config)# flex-attach
commit
Cisco MDS 9000 Family CLI Configuration Guide
6-2
FlexAttach configuration is supported only on NPV switches.
Cisco Fabric Services (CFS) IP version 4 (IPv4) distribution should be enabled.
Virtual WWNs should be unique across the fabric.
Enabling FlexAttach Virtual pWWN, page 6-2
Verifying FlexAttach Virtual pWWN, page 6-4
Security Settings for FlexAttach Virtual pWWN, page 6-5
FlexAttach Virtual pWWN CFS Distribution, page 6-6
Verifying the End Device, page 6-4
Debugging FlexAttach Virtual pWWN, page 6-5
Chapter 6
Purpose
Enters configuration mode.
Enables FlexAttach virtual pWWN
automatically for the interfaces.
Enables FlexAttach virtual pWWN
automatically for the VSANs.
Commits the configuration.
Configuring FlexAttach Virtual pWWN
OL-18084-01, Cisco MDS NX-OS Release 4.x

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