platu/ovs+incus+sharedvlans-setup.md

## ovs+incus+sharedvlans-setup.md

      
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              ovs+incus+sharedvlans-setup.md
            
          
    Host Incus containers networked on VLANs in the physical world

The installation process begins with a Debian trixie base installation on the
host system or virtual machine.
It is important to note that this system is networked on a trunk mode port,
which allows for the sharing of VLANs between the host or virtual machine and
other devices on the networks.

The lab system offers a minimum of three different VLANs, as illustrated by
this example topology.

Blue: management VLAN used to access the lab system
Green: one VLAN used to connect some containers
Orange: another VLAN used to connect some other containers


Make sure that Netplan, OvS, and Incus are installed before to begin

sudo apt update
sudo apt -y full-upgrade
sudo apt -y install netplan.io openvswitch-switch
sudo apt -y install incus --no-install-recommends
apt search ^netplan.io$
netplan.io/testing,now 1.1-2 amd64  [installé]
  Declarative network configuration for various backends at runtime
apt search ^openvswitch-switch$
oopenvswitch-switch/testing,now 3.4.0-1 amd64  [installé]
  Open vSwitch switch implementations
apt search ^incus$
incus/testing,now 6.0.2-1 amd64  [installé]
  Powerful system container and virtual machine manager - daemon

Prepare the declarative network configuration file

network:
  version: 2
  renderer: networkd
  ethernets:
    enp0s1:
      dhcp4: false
      dhcp6: false
      accept-ra: false

  openvswitch: {}

  bridges:
    c-3po:
      openvswitch: {}
      interfaces: [enp0s1]

  vlans:
    mgmt:
      id: 30
      link: c-3po
      dhcp4: true
      accept-ra: true