Ubuntu Bionic netplan config for Openvswitch bridged interface

net_config.md

Preparation

• System ubuntu18.04.2 desktop
• Internet interface name eth0 with dhcp.

Steps

1. Disable network-manager:

sudo systemctl stop NetworkManager.service
sudo systemctl disable NetworkManager.service

sudo systemctl stop NetworkManager-wait-online.service
sudo systemctl disable NetworkManager-wait-online.service

sudo systemctl stop NetworkManager-dispatcher.service
sudo systemctl disable NetworkManager-dispatcher.service

sudo systemctl stop network-manager.service
sudo systemctl disable network-manager.service

2. Install netplan

sudo apt install netplan.io

3. Remove old network

sudo mv /etc/netplan/01-network-manager-all.yaml /etc/netplan/01-network-manager-all.yaml.orig

4. Create file /etc/netplan/02-manual-network-conf.yaml with following content:

network:
  version: 2
  renderer: networkd
  ethernets:
   eth0:
     dhcp4: no
  bridges:
    brctrl:
      interfaces: [eth0]
      dhcp4: true

5. Apply the network

sudo netplan generate
sudo netplan apply