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Managing the Switch
Shut Down or Power Up an I/O Module
You can shutdown or power up an I/O module by using the poweroff module or no poweroff module
command to specify the module by its slot number in the chassis.
Step 1
Start the configuration mode by entering the configure terminal command.
Example:
switch# configure terminal
switch(config)#
Step 2
Shutdown the module by entering the [no] shutdown module slot_number command.
Example:
switch(config)# poweroff module 2
switch(config)#
Example:
switch(config)# no poweroff module 2
switch(config)#
Overview of Fabric Module Support
This switch supports the following fabric modules:
• Fabric 2 (N77-C7706-FAB-2)
Change the Amount of Power Reserved for Fabric Modules
By default, each switch reserves enough power for the maximum quantity of fabric modules that can be
installed in its chassis. If you have installed fewer than the maximum number of fabric modules and need to
free up unused reserve power for I/O modules, you can power down the unused slots and specify a smaller
maximum number of modules.
To specify a different maximum number of fabric modules for your system, use the hardware fabrics max
number command. To verify the status of the installed fabric modules, use the show module xbar command.
To verify the amount of reserved power, use the show environment power command.
Before You Begin
• Make sure that the fabric modules that you are using are installed in slots 1 through x where x is the new
OL-31330-01
maximum number of fabric modules.
You do not have to fill all of the fabric slots, but the fabric modules that you install must be in slots 1
through x. For example, if you specify 4 as the new maximum number of fabric modules, you must make
sure that the fabric modules that you are using are in slots 1 through 4.
Shut Down or Power Up an I/O Module
Cisco Nexus 7706 Hardware Installation Guide
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