Public bug reported:
Take a fresh installation of Ubuntu and remove the package netplan.io.
Now you will observe, that network-manager no longer detects wired connections.
Installing ifupdown instead of netplan does not help this situation.
In debian sid networkmanager detects the wired connections, without
netplan or ifupdown!
So it seems to me something is wrong with ubuntu packages /
configuration.
Also installing netplan.io is not sufficient for networkmanager to
detect wired connections again, the config file /etc/netplan/01-network-
manager-all.yaml does have to contain the following lines:
# Let NetworkManager manage all devices on this system
network:
version: 2
renderer: NetworkManager
Tested an XPS 13 9360 with both DA200 Adapter for LAN connection and
Android USB tethering connection, both not configured automatically by
networkmanager without netplan, while it works perfectly fine in Debian.
Tested with Ubuntu 19.10 and Ubuntu 20.04.
** Affects: network-manager (Ubuntu)
Importance: Undecided
Status: New
** Tags: eoan focal
** Tags added: eoan focal
** Summary changed:
- Networkmanager does not handle wired connections without netplan
+ network-manager does not handle wired connections without netplan
** Description changed:
Take a fresh installation of Ubuntu and remove the package netplan.io.
Now you will observe, that network-manager no longer detects wired
connections.
Installing ifupdown instead of netplan does not help this situation.
In debian sid networkmanager detects the wired connections, without
netplan or ifupdown!
So it seems to me something is wrong with ubuntu packages /
configuration.
Also installing netplan.io is not sufficient for networkmanager to
detect wired connections again, the config file /etc/netplan/01-network-
manager-all.yaml does have to contain the following lines:
# Let NetworkManager manage all devices on this system
network:
- version: 2
- renderer: NetworkManager
+ version: 2
+ renderer: NetworkManager
+ Tested an XPS 13 9360 with both DA200 Adapter for LAN connection and
+ Android USB tethering connection, both not configured automatically by
+ networkmanager without netplan, while it works perfectly fine in Debian.
- Tested an XPS 13 9360 with both DA200 Adapter for LAN connection and Android
USB tethering connection, both not configured automatically by networkmanager
without netplan, while it works perfectly fine in Debian.
+ Tested with Ubuntu 19.10 and Ubuntu 20.04.
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https://bugs.launchpad.net/bugs/1859288
Title:
network-manager does not handle wired connections without netplan
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