Single Server Proxmox Internet settings

Hi,

I have a single Server Dell PowerEdge R730 on which I had setup Proxmox.
Now the installation is done I am getting the login prompt.
But to take the graphical access I need to setup a desktop Environment ( Please let me know if any other option)

Now the issue Is I am not able to connect to the internet.
Attached ip a output below
Any Suggestions !

Let me know if any other information is required.