Cisco Systems 3750E Manual De Usuario
11-28
Catalyst 3750-E and 3560-E Switch Software Configuration Guide
OL-9775-02
Chapter 11 Configuring Interface Characteristics
Configuring Ethernet Interfaces
Caution
You should carefully plan your switch power budget, enable the power monitoring feature, and make
certain not to oversubscribe the power supply.
certain not to oversubscribe the power supply.
Note
When you manually configure the power budget, you must also consider the power loss over the cable
between the switch and the powered device.
between the switch and the powered device.
When you enter the power inline consumption default wattage or the no power inline consumption
default command, this caution message appears:
default command, this caution message appears:
%CAUTION: Interface Gi1/0/1: 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.
For more information about the IEEE power classifications, see the
.
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:
powered device connected to each PoE port on a switch:
To return to the default setting, use the no power inline consumption default global configuration
command.
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:
powered device connected to a specific PoE port:
Command
Purpose
Step 1
configure terminal
Enter global configuration mode.
Step 2
no cdp run
(Optional) Disable CDP.
Step 3
power inline consumption default
wattage
wattage
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.
the PoE port on the switch. The range for each device is 4000 to
15400 mW. The default is 15400 mW.
Step 4
end
Return to privileged EXEC mode.
Step 5
show power inline consumption
default
default
Display the power consumption status.
Step 6
copy running-config startup-config
(Optional) Save your entries in the configuration file.
Command
Purpose
Step 1
configure terminal
Enter global configuration mode.
Step 2
no cdp run
(Optional) Disable CDP.
Step 3
interface interface-id
Specify the physical port to be configured, and enter interface
configuration mode.
configuration mode.
Step 4
power inline consumption default
wattage
wattage
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.
PoE port on the switch. The range for each device is 4000 to 15400 mW.
The default is 15400 mW.