Hello,I am having a problem with my network configuration. I cannot access the internet and these are the configura. Is it possible for you to help me

Your gateway is probably the issue because you have specified a subnet there (/28). It should work when you remove it.
 
Only from the gateway.

Also, in your screenshot you are configuring the iface eno1np0, but then you probably want to either remove the configuration options related to the bridge (bridge_ports, ...) or change the iface to vmbr0 again, if you want to configure the IP on the bridge rather than the NIC itself.
 
Thank you for your help and reply.
Actually, I'm a student and new to the Proxmox VM, so I do not know any information about the configurations. Can you provide me with the two options available, and I will test them?
 
1684913156150.png

This configuration looked like what you want, could you just try this one without the /28 at the gateway and see if it works?
 
Have you reloaded the configuration after changing it?

Code:
sudo systemctl reload networking

If that still doesn't work - can you post the output of following commands?

Code:
ip route show
journalctl -u networking -b > output.txt

The second command will create a file named output.txt on your machine - please attach it (you can download it via WinSCP for instance).