CLI Reference Guide-R02

Chapter 11 | Interface Commands
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◆ When the power-save command is enabled and traffic is reduced there is a
reduction in power. For example, factory hardware component testing has
shown significant power reduction >10%-45%
10
are realized when 1000M
Ethernet ports operate at slower rates from 300 to 0 Mbps.
Note: Power savings can only be implemented on Ethernet ports using twisted-
pair cabling. Power-savings mode on a active link only works when connection
speed is 1/10 Gbps, and line length is less than 60 meters.
Example
Console(config)#interface ethernet 1/24
Console(config-if)#power-save
Console(config-if)#
show power-save This command shows the configuration settings for power savings.
Syntax
show power-save [interface interface]
interface
ethernet unit/port
unit - Unit identifier. (Range: 1)
port - Port number. (Range: 1-18)
Command Mode
Privileged Exec
Example
Console#show power-save interface ethernet 1/24
Power Saving Status:
Ethernet 1/24 : Enabled
Console#
10. The percentage reduction is for the switch hardware interface internal component only.