To configure autoLC shutdown and line card power priority, perform the following task:
Procedure
PurposeCommand or Action
Enters the global configuration mode.configure terminal
Example:
Step 1
Device# configure terminal
(Optional) Enables automatic shutdown of line
cards in case of a power supply failure event.
power supply autolc shutdown
Example:
Step 2
Starting from Cisco IOS XE
Gibraltar 16.12.1 , you do not have
to configure this command, because
the feature is always enabled and
cannot be disabled. Further, the no
form of the command is also
obsolete from this release onwards.
Note
Device(config)# power supply autolc
shutdown
(Optional) Configures line card power priority.
Enter the line card slot numbers to indicate their
power supply autolc priority
physical-slot-number
Step 3
autoLC shutdown priority. The system assigns
Example:
the highest priority (0) to the slot number you
Device(config)# power supply autolc
priority 1 2 5 6 7
enter first, and this is the last to be shut down
in case of a failure.
The system does not accept a partial list of line
card slot numbers. For example, for a 7-slot
chassis, you must mention all the five line card
slots.
In the example configuration provided on the
left, the physical slot number order and
system-assigned priority for a 7-slot chassis is
as follows:
autoLC PriorityConfigured Order
0 (shuts down last)1
12
25
36
4 (shuts down first)7
If you do not specify an order and autoLC
shutdown is enabled, then by default the system
shuts down line cards from the highest to the
System Management Configuration Guide, Cisco IOS XE Bengaluru 17.4.x (Catalyst 9400 Switches)
238
Environmental Monitoring and Power Management
Enabling Auto Line Card Shutdown
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