Route VM traffic through Linux box

nebula

New Member
Aug 27, 2021
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Hello, I am new to using Proxmox and I am wondering if it is possible to configure the network in a way like so:

WAN traffic > Host(Proxmox) > VM (Linux box) > All other VMs

I understand that I can use PFSense and local/private IPs, but my goal is to use public IPs on the VMs. I am also hosting this at a datacenter so putting the Host(Proxmox) behind the Linux box is not something I would like to do incase anything happens I can easily reroute the traffic. Is it possible to do this without using private IPs?
 
Yes, this is possible. Firewalls work like this, for example. It mostly depends on what you want to run inside the VM (Linux box). I think that none of this really depends on Proxmox, so make look for a Linux firewall/switch/router tutorial?
 
Sadly, with my configuration the way proxmox does it's networking I couldn't get it working correctly. So I switched back to ESXI, and am just using 2 port groups, works much easier than all of the interfaces proxmox creates. Thanks for the reply though.