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3
Configuring the Switch
• If a device is connected to a critical or high-priority port and causes the switch to
exceed its budget, port power is turned on, but the switch drops power to one or
more lower-priority ports.
Note:
Power is dropped from low-priority ports in sequence starting from port number 1.
Command Attributes
• Port – The port number on the switch.
• Admin Status – Enables PoE power on the port. Power is automatically supplied
when a device is detected on the port, providing that the power demanded does
not exceed the switch or port power budget. (Default: Enabled)
• Priority – Sets the power priority for the port. (Options: low, high, or critical;
Default: low)
• Power Allocation – Sets the power budget for the port.
(Range: 0- 31000 milliwatts; Default: 15400 milliwatts)
• Overload Auto Recover –
Disabled: When a port detects an overload condition, the PoE power is disabled
and the port administrative status is set to disabled. The user must manually
re-enable the port using a management interface.
Enabled: When a port detects an overload condition, the PoE power is disabled
and the port administrative status is set to disabled. The port is automatically
re-enabled when the overload condition is no longer detected on the port.
(Default: Disabled)
• Web – Click PoE, Power Port Configuration. Enable PoE power on selected ports,
set the priority and the power budget, and then click Apply.
CLI – This example sets the PoE power budget for port 1 to 8 watts, the priority to
high (2), and then enables the power.
Console(config)#interface ethernet 1/1
Console(config-if)#power inline maximum allocation 15400
Console(config-if)#power inline priority 2
Console(config-if)#power inline overload-auto-recover
Are you sure the PoE port(s) remain enabled during power overload? [y/n] y
Console(config-if)#
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Figure 3-85 Configuring Port PoE Power
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