[SOLVED] How do I configure a VM to see a device on another subnet?

Tankersss

New Member
Jul 10, 2024
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My network looks like this: The modem on 192.168.1.x is connected as a BRIDGE to my Router on 192.168.8.x. My Proxmox server is on 192.168.8.5 (not the real address, but you get the gist)(this is the subnet I used previously on the modem), but now my VM can't access the Modem (yes my other non-virtual devices can access it). How do I configure it so it can access it?
 
If your other devices can reach it, then just configuring your VM in a 192.168.8.x range with the router on 192.168.8.1/.254/.whatever as gateway, you should be able to reach the modem. If you can't, first test if you can ping something like 8.8.8.8 from the VM.

By default, nothing in Proxmox will block traffic to other networks, but nothing will "facilitate" it either. To transfer between networks, you'll need to have a router in-between routing the traffic between the two.
 
Okay, I found my mistake, somehow tho I set up my router to be on whatever modem was reachable at (let's say 8.2) it set itself at 8.1. It's my honest mistake but hey people learn this way. Remember to change in Host -> Network -> both DNS and Gateway IP.