11-28
Power Over Ethernet (PoE) Operation
Viewing PoE Configuration and Status
Displaying the PoE Status on Specific Ports
Syntax
:
show power-over-ethernet <
port-list
>
Displays the following PoE status and statistics (since the last
reboot) for each port in
<
port-list
>:
•
Power Enable:
Shows
Yes
for ports enabled to support PoE (the
default) and
No
for ports on which PoE is disabled
.
Note that
for ports on which power is disabled, this is the only field
displayed by
show power-over-ethernet
< port-list >
.
•
Priority:
Lists the power priority (
Low
,
High
,
and
Critical
)
configured on ports enabled for PoE. (For more on this topic,
refer to the power command description under “Configuring
PoE Operation” on page 11-14.)
•
Allocate by:
How PoE is allocated
(
usage
,
class
,
value
)
•
Detection Status:
– Searching:
The port is available to support a PD.
–
Delivering:
The port is delivering power to a PD.
–
Disabled:
PoE power is enabled on the port but the PoE
module does not have enough power available to supply
the port’s power needs.
–
Fault:
The switch detects a problem with the connected PD.
–
Other Fault:
The switch has detected an internal fault that
prevents it from supplying power on that port.
•
Over Current Cnt:
Shows the number of times a connected PD
has attempted to draw more than 15.4 watts.
Each
occurrence generates an Event Log message.
3500-5400-6200-8200-MCG-Jan08-K_13_01.book Page 28 Monday, January 28, 2008 10:04 AM