Proxmox refusing to ping to any network.

Meesoa

New Member
Apr 25, 2026
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As the titles said, I've spent the last day tinkering with a brand new homelab that refuses to work with me... Essentially I have a small server running on a asrock motherboard that allows me to oob into it where I've installed Proxmox. Unfourtunatly I'm unable to connect to it from my own command console (Due to it giving a "permission denied" error even with the correct password), I'm also unable to ping any servers, local or otherwise, I'm certain I've set the right gateway to "192.168.1.254", and I have tried various different DNS solutions in order to see which one wants to work as I have a "Pi.hole" running on a seperate raspbery pi (My previous testing grounds).

I had thought I was supposed to connect my DNS as the pi.hole's dns but when that didn't work I set it to my routers default dns, then I set it to 1.1.1.1 and 8.8.8.8 and none of that worked either, I thought maybe something was up with my domain as I had bought a domain from cloudflare and was utilising it with this server as a "main.****.net" in its hostname settings, was that perhaps incorrect? Attempting to find answers has only led to more confusion on whether I'm supposed to use the domain name there or not.
 

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Are you sure that nic0 is the correct network interface and it is actually connected? It is listed as "state UNKNOWN" in the last screenshot.

If you actually have three NICs just try the other two. You need to get "state UP" for both the bridge and the corresponding NIC. After editing /etc/network/interfaces and/or reconnecting cables ifreload -a should work with the new configuration.
 
I swapped the bridge ports between the two other NICs but they have made it so that the vmbr0 was set to DOWN instead of UP like it normally is when connected with the nic0, I assume that means the nic0 is the correct one or I messed up the swap. Do you perhaps have another idea?