Users Guide

Enabling PoE or PoE+ on more ports than the power budget supports produces one of the following
results:
• If the newly PoE or PoE+ -enabled port has a lower priority, the command is accepted but power is
not allocated to the port. In this case, the following message displays: %Warning: Insufficient
power to enable. POE oper-status set to OFF for port.
• If the newly PoE or PoE+ -enabled port has a higher priority, the command is accepted and power is
terminated on the lowest priority port in the power extender. If you add another PSU to the system
later, both ports receive power.
• If all the lower priority ports combined cannot meet the power requirements of the newly enabled
port, the command is accepted but power on the lower priority ports is not terminated and power is
not supplied to the port. The second result is true even if a powered device is not connected to the
port. You can allocate power to a port, thus subtracting it from the power budget and making it
unavailable to other ports, but that power is not consumed.
Displaying Power Allocated to Power Devices
To display PoE allocation to power devices by the port extender or port extender interface, use the
following command.
For more information on PoE power allocation, see Allocating PoE Power on an Interface.
• Display PoE allocation on a port extender or port extender interface.
Exec and EXEC Privilege mode
show power inline {pe pe-id stack-unit unit-number | {interface interface}
• pe pe-id — Enter the keyword pe and the port extender ID. The range is from 0 to 25.
• stack-unit unit-number — Enter the keyword stack-unit and the stack unit number. The
range is from 0 to 7.
• interface interface — Enter the interface keyword and specify the PE Gigabit Ethernet
interface using the keyword peGigE. Specify a pe-id/unit/port for the interface.
Example of Displaying Allocated Power to Power Devices
Stack unit in pe to which this config applies
Dell#show power inline pe 2 stack-unit 1
Global inline power Threshold : 90%
Power Reserved for inline Power: 1530W
Total Inline Power Consumed: 15W
Remaining inline power Available: 1515W
Power Management Mode: Static
Interface Inline Power Inline Power Class Device PoE Port LLDP
Max / Alloc Consumed Type Priority Support
Watts) (Watts)
--------- ------------- ------------ ----- ------ -------- -------
PeGi 2/1/2
30.00 / 15.00 15.00 4 2 Low PowViaMDI
Table 69. show power inline Field Description
Field Description
Interface Displays the linecard slot and port number.
Power over Ethernet (PoE)
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