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Catalyst4500 Series SwitchCiscoIOS Command Reference—Release 12.2(18)EW
78-16201-01
Chapter2Cisco IOS Commands for the Catalyst 4500 Series Switches
show power
show power
To display the status of power information, use the show power command.
show power [available | capabilities | detail | inline {[interface] | consumption default | module
mod} | module | status | supplies]
Syntax Description
Defaults This command has no default settings.
Command Modes Privileged EXEC
Command History
Usage Guidelines If a powered device is connected to an interface with external power, the switch does not recognize the
powered device. The Device column in the output of the show power inline command displays as
unknown.
If your port is not capable of supporting Power over Ethernet, you will receive the following error
message:
Power over Ethernet not supported on interface Admin
The show power in-line interface | module command displays the amount of power used to operate a
Cisco 7960 IP Phone. To view the amount of power requested, use the show cdp neighbors command.
Because of the PoE consumed by FPGAs and other hardware components on the module the operating
PoE consumption for an 802.3af-compliant module can be nonzero, even when there are no powered
devices attached to the module. The operating PoE can vary by as much as 20 watts because of
fluctuations in the PoE consumed by the hardware components.
available (Optional) Displays available system power.
capabilities (Optional) Displays individual power supply capabilities.
detail (Optional) Displays detailed information on power resources.
inline (Optional) Displays PoE status.
interface (Optional) Type of interface; the only valid value is FastEthernet.
consumption default (Optional ) Displays the PoE consumption.
module mod (Optional) Displays PoE consumption for the specified module.
module (Optional) Displays power consumption for each module.
status (Optional) Displays power supply status.
supplies (Optional) Displays the number of power supplies needed by the system.
Release Modification
12.1(8a)EW Support for this command was introduced on the Catalyst 4500 series switch.
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