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Is it possible to make WoL unicast work indefinitely? (lemmy.world)

submitted 1 week ago* (last edited 1 week ago) by meekah@lemmy.world to c/selfhosted@lemmy.world

14 comments fedilink hide all child comments

I am trying to set up my homelab to boot whenever it is being accessed. I set up wake on LAN for unicast, and it works fine for a while after shutting down the system. It stops working after a few hours of the server being turned off, though.

From what I'm gathering online, the issue is that my router uses an ARP cache. Before that gets flushed, it still works. However, it seems like my router does not allow me to configure a static ARP entry (using a ISP provided router). I already set a static IP for my server in the router, but it still won't work a few hours.

Is there any way to make this work? I just want to allow a friend of mine to boot my server whenever they try to access a service on it.

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[–] meekah@lemmy.world 1 points 1 week ago (4 children)

I am talking about WoL in unicast mode, not with the magic packet.

[–] k_rol@lemmy.ca 2 points 1 week ago (3 children)

Im curious, why unicast over magic packet?

[–] meekah@lemmy.world 4 points 1 week ago (2 children)

Because I want the server to boot when a service on said server is being accessed. Without having to manually boot it before.

[–] lorentz@feddit.it 2 points 1 week ago (1 children)

I'm not familiar with this setup. But do you want for the server to boot as soon as it receive any packet addressed to its IP?

[–] meekah@lemmy.world 1 points 1 week ago* (last edited 1 week ago)

Yup. And it works already, as long as the server was shut down in the last few hours. Then it stops working. The 4 hours mentioned here seem about right.