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[SOLVED, user error] Proxmox not conncected to internet, but is reachable on LAN (sopuli.xyz)
submitted 7 months ago* (last edited 7 months ago) by DreadPotato@sopuli.xyz to c/selfhosted@lemmy.world
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[SOLVED] Turns out I'm just a bigger moron than I thought. The MAC address of my server had accidentally been flagged in my router for black listing.

As the title says, my proxmox host is apparently not able to reach the internet anymore, not sure for how long this has been an issue, I rarely work on the host itself. It can ping other devices on my network just fine, and other devices can ping it. I can also SSH in to it and access the web interface. My VMs are connected to the internet without any issues. I don't need to access the host remotely/outside my home network, this is just for updating it etc.

I can't see the host under active devices in my router though.

I have been trying to figure why, but so far without any luck.

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[-] BearOfaTime@lemm.ee 1 points 7 months ago

Is the host configured with static IP or DHCP? Either way, verify it has the correct DNS config.

Personally I use static for any device that hosts a service.

What happens if you ping Yahoo.com from the console in Proxmox? It should show the DNS server IP it's using for resolution.

[-] DreadPotato@sopuli.xyz 1 points 7 months ago* (last edited 7 months ago)

It's set to static, I also do that for anything that hosts something.

It won't ping yahoo.com at all, it just reports 100% packet loss.

Edit: just realised that it won't ping my gateway/router either. It's pinging all other devices on my network just fine though.

[-] Phrey@lemmy.sdf.org 1 points 7 months ago

If you can't ping your gateway, then you have a problem with your interface configuration.

Do you need it to be on a specific VLAN or something else?

[-] DreadPotato@sopuli.xyz 1 points 7 months ago

No i haven't split anything in to separate VLANs

[-] billygoat@catata.fish 1 points 7 months ago

can you ping 8.8.8.8?

[-] billygoat@catata.fish 2 points 7 months ago

Not dns then. For some reason you can’t reach the default gateway

[-] DreadPotato@sopuli.xyz 1 points 7 months ago

Nope, same result

this post was submitted on 01 Apr 2024
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