No external connection randomly


New Member
Apr 9, 2022
so I have a problem where randomly vms switch external access like
vm with ID 100 i can connect with no problems for some time till randomly i cannot anymore but i can connect vm with id of 101
there is no pattern to this as of right now and there is only one way to force it to switch it back to specific vm and its by pinging a external site (exp.

Proxmox is installed on hetzner dedicated and its pretty common to have even problems getting internet connection for the vms
i tried for a 4 days to get internet working on vms myself
Last edited:

what's your network setup like? could you post the /etc/network/interfaces file?

also AFAIK, hetzner doesn't allow mac address spoofing so you'll have to use the "routed" or the "masquerade" configurations [0]



The Proxmox community has been around for many years and offers help and support for Proxmox VE, Proxmox Backup Server, and Proxmox Mail Gateway.
We think our community is one of the best thanks to people like you!

Get your subscription!

The Proxmox team works very hard to make sure you are running the best software and getting stable updates and security enhancements, as well as quick enterprise support. Tens of thousands of happy customers have a Proxmox subscription. Get your own in 60 seconds.

Buy now!