Configuring Npv; Enabling Npv - Cisco AJ732A - MDS 9134 Fabric Switch Configuration Manual
Cisco nexus 5000 series switch cli software configuration guide, nx-os 4.0(1a)n1 (ol-16597-01, january 2009)
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Configuring NPV
S e n d f e e d b a c k t o n x 5 0 0 0 - d o c f e e d b a c k @ c i s c o . c o m
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Configuring NPV
Configuring NPV mode is described in the following topics:
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Enabling NPV
When you enable NPV, the system configuration is erased and the switch reboots.
Note
We recommend that you save your current configuration either in boot flash memory or to a TFTP server
before you enable NPV.
To enable NPV, perform this task:
Command
Step 1
switch# configure terminal
switch(config)#
Step 2
switch(config)# npv enable
Step 3
switch(config-npv)# no npv enable
switch(config)#
Cisco Nexus 5000 Series Switch CLI Software Configuration Guide
34-6
NPV uses a load-balancing algorithm to automatically assign end devices in a VSAN to one of the
NP uplinks (in the same VSAN) upon initial login. If there are multiple NP uplinks in the same
VSAN, you cannot assign an end device to a specific NP uplink.
If a server interface goes down and then returns to service, the interface is not guaranteed to be
assigned to the same NP uplink.
The server interface is only operational when its assigned NP uplink is operational.
Both servers and targets can be connected to the switch when in NPV mode.
Fibre Channel switching is not performed in the edge switch; all traffic is switched in the core
switch.
NPV supports NPIV-capable module servers. This capability is called nested NPIV.
Only F, NP, and SD ports are supported in NPV mode.
Enabling NPV, page 34-6
Configuring NPV Interfaces, page 34-7
Configuring NPV Traffic Management, page 34-7
Chapter 34
Configuring N Port Virtualization
Purpose
Enters configuration mode.
Enables NPV mode. The switch reboots, and it
comes back up in NPV mode.
A write-erase is performed during the
Note
initialization.
Disables NPV mode, which results in a reload of
the switch.
OL-16597-01
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