Network Device Selector

Configuring Network Device Using Device Selector

deviceSelector is an alternative method of configuring a network device:

machine:
  ...
  network:
    interfaces:
      - deviceSelector:
          driver: virtio
          hardwareAddr: "00:00:*"
        address: 192.168.88.21

Selector has the following traits:

qualifiers match a device by reading the hardware information in /sys/class/net/...
qualifiers are applied using logical AND
machine.network.interfaces.deviceConfig option is mutually exclusive with machine.network.interfaces.interface
if the selector matches multiple devices, the controller will apply config to all of them

The available hardware information used in the selector can be observed in the LinkStatus resource (works in maintenance mode):

# talosctl get links eth0 -o yaml
spec:
  ...
  hardwareAddr: 4e:95:8e:8f:e4:47
  busPath: 0000:06:00.0
  driver: alx
  pciID: 1969:E0B1

Using Device Selector for Bonding

Device selectors can be used to configure bonded interfaces:

machine:
  ...
  network:
    interfaces:
      - interface: bond0
        bond:
          mode: balance-rr
          deviceSelectors:
            - hardwareAddr: '00:50:56:8e:8f:e4'
            - hardwareAddr: '00:50:57:9c:2c:2d'

In this example, the bond0 interface will be created and bonded using two devices with the specified hardware addresses.

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Configuring Network Device Using Device Selector

Using Device Selector for Bonding

​Configuring Network Device Using Device Selector

​Using Device Selector for Bonding

Configuring Network Device Using Device Selector

Using Device Selector for Bonding