this post was submitted on 17 Jul 2025
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I did think about that option, but the onboard NIC is connected to the ONT (fiber connection) and the SFP+ is off when the server is off so it can't receive WOL packets. By the way, thanks.
Can you add a second NIC? Should be able to find a Gigabit one for less than $15 or a 2.5Gbps one for $25-40.
You have no local network access to it at all? (WOL will work across the subnet, you don't need to connect directly to it)
If genuinely not (and I'd be surprised if that is the case) add another nic of any sort (cheap) for WOL, or use something like Switchbot?
Only through SFP+ I think that the only option would be to add a second NiC. Thanks!
If you’ve got SFP+ onboard it sounds like you have a relatively serious server. Does it have IPMI? You could have a low power device like a Pi issue and IPMI command to power on.
Negative, it's "just" an HP Elitebook with a PCIe SFP+ board.
If you use an RPI as the third device, you can use one of the GPIO pins to trigger a transistor connected in parallel with the servers power button. The pi can then (re)start the server on command.
I think that I'll go this way, thanks. I don't have transistors, but I have a 2 relay Ethernet board.
I ran a setup like this for a couple years. Super handy being able to literally press the power button remotely; especially when/if the system hangs and becomes unresponsive.
I've just bought and connected to it a JetKVM, when I saw an RJ11 port, I thought that it could have been used to "push" those buttons, but instead it's a serial port ☹️