Once the terminal is open, you're going to use the following commands to enable and even configure the PoE ports on your switch: Enable the switch. To do that, type “switch> enable” in the terminal. Type “switch# configure terminal” and. powered device can receive redundant power when it is connected to a PoE switch port and to an AC power source. Cisco Discovery Protocol (CDP) with power consumption: The powered device notifies the device of the. Q1: How to activate PoE switch? Q2: How to check if PoE is enabled on port Cisco? Q3: How to enable PoE in Cisco 2960? Q4: How to check if a PoE switch is working or not? Cisco switches automatically detect powered devices (PDs) and allocate power based on IEEE standards or proprietary protocols. This 2025 guide explains how to enable, verify, and optimize PoE on Cisco switches, including standards, power budgeting, configuration commands, troubleshooting steps, and security recommendations. Before enabling PoE, it's important to understand what each standard supports. This simplifies installation and management of equipment like IP cameras and VoIP phones, eliminating the need for separate power adapters. The device. For EX Series switches that support PoE ports, the factory default configuration enables PoE on the PoE-capable ports, with default settings in effect.