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Troubleshooting PoE Interfaces on ACX2000 Universal Access Routers

Problem

A Power over Ethernet (PoE) interface is not supplying power to the powered device.

Solution

Check for the items shown in Table 1.

Table 1: Troubleshooting a PoE Interface

Items to CheckExplanation

Is interface PoE enabled?

Only interfaces ge-0/1/3 and ge-0/1/7 can function as PoE ports.

Has PoE capability been disabled for that interface?

Use the show poe interface command to check PoE interface status.

Is the cable properly seated in the port socket?

Check the hardware.

Does the powered device require more power than is available on the interface?

Use the show poe interface command to check the maximum power provided by the interface.

If the telemetries option has been enabled for the interface, check the history of power consumption.

Use the show poe telemetries command to display the history of power consumption.

Published: 2013-07-23