Hi,

I can't find the proper configuration to have an always enabled static IP
address and an optional DHCP address when connected to a network that has a
DHCP server. My use case is a portable device that connects to local
embedded devices using a private local LAN so the static IP should always
be there. When we need to connect on the internet, I would like to plug a
DHCP enabled connection to the switch and receive a second IP automatically
from DHCP for this.

I can setup both DHCP and static using this configuration:
[ipv4]
address1=10.192.11.10/16
method=auto

The problem is that the whole connection profile will fail if no DHCP
server is found, the static IP will never be set. As soon as I plug the
DHCP network, both IP will appear. But I would need the static IP to be
available from the beginning. I have the same problem if I try the ifupdown
configuration through /etc/network/interfaces. I had gentoo in the past and
could achieve this using their RC system, DHCP would be assigned to eth0:0
and a static IP to eth0:1. I just can't find a way to do this with Network
Manager.

Any idea if that's possible with the profile configuration, or if I need to
use 2 configurations or play with some scripts?

Thank you,
David
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