Nethserver on Proxmox

[m.traeumner (Michael Träumner)]

@bjarnet

Are there any special network related configurations required to run Nethserver with OpenVPN and Shorewall in a virtualized environment?

Perhaps it helps to create dummy interfaces at nethserver instead creating virtual devices at proxmox.
Please have a look here:

Dummy Interface (virtual NIC)

A dummy interface is a virtual NIC for the server without a physical interface card. Why could this be useful? If you rent a root server you will typically get 1 physical NIC only (or pay more). As you only have one NIC, this will be on green role per design. Let’s assume you plan to set up a VPN - LAN to LAN connection to a master server. To set it up you would like to have an internal IP range for your server on the green interface role and the physical NIC with the public IP should be bou…