Network Interface Detection

[Pramod_D]

Hi,

I am using the Proxmox VE Hypervisor from past a week. Connected to the Proxmox using the web interface using 8006.
My issue is as follows, after the VM creation while doing configuration of the VM I am being displayed with network interface "enp6s18" as shown in below image

but it is not displayed in the list of available network interfaces as attached in the below image
So I need help to resolve this.

 

[UdoB]

My issue is as follows, after the VM creation while doing configuration of the VM

You are inside the VM. It has it own naming convention, resulting in enp6s18 in this case. It can not (and should not!) know how the NICs are named outside of its box...

 

[Pramod_D]

You are inside the VM. It has it own naming convention, resulting in enp6s18 in this case. It can not (and should not!) know how the NICs are named outside of its box...

Thanks for your response.
Is it possible to resolve the mentioned issue - available network interfaces are not visible?

 

[UdoB]

available network interfaces are not visible?

To give a VM a network interface you go to <your vm> --> Hardware --> Add (drop down menu) --> Network device. You can add zero, one or several of them. You also specify which bridge (vmbr0, vmbr1 etc) this interface shall be connected to.

These interfaces are then visible inside the VM... with a completely independent naming scheme.

Those bridges are configured on the host. See https://pve.proxmox.com/pve-docs/pve-admin-guide.html#_default_configuration_using_a_bridge for an example.

Obviously you did this once for vmbr0 - or the enp6s18 would not be visible.

 

[Pramod_D]

I just found an answer for my question from experience. let me know if I am wrong
enp6s18 is an internal network interface that works in Proxmox to connect to Virtual-Machines that are being created.
i.e, from Promox to vms' enp6s18 is medium of connection

 

[UdoB]

enp6s18 is an internal network interface

In the far past the name of an interface was sometimes changing - and unfortunately it does so nowadays, but for different reasons :-(

For reference:

• https://www.freedesktop.org/wiki/Software/systemd/PredictableNetworkInterfaceNames/
• https://wiki.debian.org/NetworkInterfaceNames#CUSTOM_SCHEMES_USING_.LINK_FILES