Apc Ups Wake On Lan Best //top\\ Jun 2026

The following models are recommended for their reliable communication with management software, which is critical for coordinating shutdowns and remote reboots.

Do not rely on UPS output restart to boot servers. Instead, after UPS returns to line power, have a management host (Raspberry Pi, NMC’s event script, or always-on switch) send a WoL magic packet to the server(s). apc ups wake on lan best

: If your router (e.g., those running Tomato or DD-WRT ) is also on the UPS, you can often configure a script to broadcast a WoL packet to your server's MAC address upon its own reboot. The following models are recommended for their reliable

Your OS can override BIOS settings. You must ensure the Network Interface Card (NIC) stays listening. : If your router (e

| Problem | Cause | Best Fix | |---------|-------|----------| | Server won’t wake after UPS shutdown | NIC lost WoL config in S5 | Use Intel/Broadcom NIC; disable "Energy Efficient Ethernet" | | APC cuts USB power before WoL works | USB serial chip depowers NIC | Switch to NMC or serial (RS-232) connection | | Server wakes randomly | Broadcast WoL packets | Enable "Secure WoL" with password or directed packet only | | Dual PSU servers | Second PSU on different UPS | Connect both UPS to same output group or use single PSU for WoL |