Power over Ethernet Configuration Guide, Cisco Catalyst IE9300 Rugged Series Switches

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Power over Ethernet Configuration Guide, Cisco Catalyst IE9300 Rugged Series Switches

PoE Features

Updated: October 18, 2026

Fast PoE and Perpetual PoE

This topic explains Fast PoE and Perpetual PoE, which are features that restore or preserve power to connected devices during system boot or reboot on supported switches.

Configure Perpetual PoE and Fast PoE

Configure Perpetual PoE and Fast PoE settings on switch interfaces to ensure uninterrupted and fast device power during reload and power cycles.

Feature History: PoE

Lists release history, feature descriptions, and supported models for Power over Ethernet (PoE) features in Cisco IOS XE Dublin 17.12.x and later.

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