Intellinet's Tech Deep Dive
Network technology explained - for beginners and professionals alike.
Intellinet's Tech Deep Dive
Deep Dive: Self Healing Networks with PoE
•
Intellinet
•
Season 1
•
Episode 4
Use Left/Right to seek, Home/End to jump to start or end. Hold shift to jump forward or backward.
This technology is referred to as PD Alive Check, PD Device Alive Check, Powered Device Monitor or PoE Watchdog. At the core of each, regardless of the specifics of the implementation by different switch manufacturers and chipset vendors, is the same basic function: Monitor connected PoE devices and, if they stop responding, power cycle the PoE device by briefly cutting power to it and forcing it to restart. After the restart, the PoE device will function again without the intervention of the network technician.