Documentation

ethtool

Manage Ethernet device settings using ethtool.

Attributes

check_mode:
  support: full

Parameters

Parameter	Required	Type	Values	Description
autoneg		boolean		Enable or disable auto-negotiation.
device	true	string		Network interface name (e.g., eth0, ens33).
duplex		string	half full	Duplex mode (half or full).
offload		object		Offload feature settings.
speed		integer		Link speed in Mbps (10, 100, 1000, 2500, 5000, 10000, 25000, 40000, 50000, 100000).
state		string	present absent query	Whether the settings should be present, absent (reset), or query current state. [default: `"present"`]

Examples

- name: Set link speed and duplex
  ethtool:
    device: eth0
    speed: 1000
    duplex: full

- name: Enable auto-negotiation
  ethtool:
    device: eth0
    autoneg: true

- name: Disable auto-negotiation with specific speed
  ethtool:
    device: eth0
    autoneg: false
    speed: 10000
    duplex: full

- name: Configure offload features
  ethtool:
    device: eth0
    offload:
      rx: true
      tx: true
      tso: false
      gso: true

- name: Query current device settings
  ethtool:
    device: eth0
    state: query
  register: eth_settings

- name: Reset device to default settings
  ethtool:
    device: eth0
    state: absent