How to set up a Proxmox network so that it is on the same subnet with a ready VM?

Question

Debian

We need statics in the guest of the proxy, the same as in the proxy, from the same subnet and with access to the outside. When installing Debian in a proxymox VM, its installer writes that there is no dhcp server on the network or other problems (this is when choosing a bridge, with nat there is no such error). I register manually and as a result the network is unavailable, nothing is pinged except for the localhost. On the screen, an exemplary scheme
I had no business with proxmox before. I can't figure out how to configure his bridge in /etc/network/interfaces to solve the problem.
In the picture, the proxy settings
Thank you in advance

Answer 1

Fuck proxmox, do everything in virtualbox or lxd

Answer 2

I did as Puma advises, but the network does not work in the guest