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Configuring Interfaces
Configuring Ethernet Interfaces
When you enter the power inline consumption default wattage or the no power inline consumption default global
configuration command, or the power inline consumption wattage or the no power inline consumption interface
configuration command this caution message appears:
%CAUTION: Interface interface-id: Misconfiguring the 'power inline consumption/allocation' command may
cause damage to the switch and void your warranty. Take precaution not to oversubscribe the power
supply.
It is recommended to enable power policing if the switch supports it.
Refer to documentation.
If the power supply is over-subscribed to by up to 20 percent, the switch continues to operate but its reliability is reduced.
If the power supply is subscribed to by more than 20 percent, the short-circuit protection circuitry triggers and shuts the
switch down.
For more information about the IEEE power classifications, see
Beginning in privileged EXEC mode, follow these steps to configure the amount of power budgeted to a powered device
connected to each PoE port on a switch:
Command
1.
configure terminal
2.
no cdp run
3.
power inline consumption default
wattage
4.
end
5.
show power inline consumption
6.
copy running-config startup-config
To return to the default setting, use the no power inline consumption default global configuration command.
Beginning in privileged EXEC mode, follow these steps to configure amount of power budgeted to a powered device
connected to a specific PoE port:
Command
1.
configure terminal
2.
no cdp run
3.
interface interface-id
4.
power inline consumption wattage
5.
end
6.
show power inline consumption
7.
copy running-config startup-config
To return to the default setting, use the no power inline consumption interface configuration command.
Power over Ethernet Ports, page
Purpose
Enter global configuration mode.
(Optional) Disable CDP.
Configure the power consumption of powered devices connected to
each the PoE port on the switch. The range for each device is 4000 to
15400 mW. The default is 15400 mW.
Return to privileged EXEC mode.
Display the power consumption status.
(Optional) Save your entries in the configuration file.
Purpose
Enter global configuration mode.
(Optional) Disable CDP.
Specify the physical port to be configured, and enter interface
configuration mode.
Configure the power consumption of a powered device connected to a
PoE port on the switch. The range for each device is 4000 to 15400 mW.
The default is 15400 mW.
Note:
When you use this command, we recommend you also enable
power policing.
Return to privileged EXEC mode.
Display the power consumption status.
(Optional) Save your entries in the configuration file.
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21.
- Quick Links:
- Configuration Overview
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