---
name: "lii"
section: "4"
platform: "openbsd"
package: "man"
version: "8.0-current-20261101"
release: "OpenBSD 8.0-current (2026-11-01)"
platforms: ["openbsd"]
url: "https://new.carta.tech/lii"
---

# lii(4)

Attansic L2 10/100 Ethernet device

## NAME

**lii** – Attansic L2 10/100 Ethernet device

## SYNOPSIS

**lii\* at pci?** **atphy\* at mii?**

## DESCRIPTION

The **lii** driver provides support for Ethernet interfaces based on the Attansic L2 Ethernet chipset.

The **lii** driver supports the following media types:

- **autoselect**

  Enable autoselection of the media type and options. The user can manually override the autoselected mode by adding media options to the appropriate [hostname.if(5)](/hostname.if/5.md) file.

- **10baseT**

  Set 10Mbps operation. The [ifconfig(8)](/ifconfig/8.md) **mediaopt** option can also be used to select either **full-duplex** or **half-duplex** modes.

- **100baseTX**

  Set 100Mbps (Fast Ethernet) operation. The [ifconfig(8)](/ifconfig/8.md) **mediaopt** option can also be used to select either **full-duplex** or **half-duplex** modes.

The **lii** driver supports the following media options:

- **full-duplex**

  Force full duplex operation.

- **half-duplex**

  Force half duplex operation.

For more information on configuring this device, see [ifconfig(8)](/ifconfig/8.md). To view a list of media types and options supported by the card, try **ifconfig** **\<device\>** **media**. For example, **ifconfig** **lii0** **media**.

## SEE ALSO

[arp(4)](/arp/4.md), [atphy(4)](/atphy/4.md), [ifmedia(4)](/ifmedia/4.md), [intro(4)](/intro/4.md), [netintro(4)](/netintro/4.md), [pci(4)](/pci/4.md), [hostname.if(5)](/hostname.if/5.md), [ifconfig(8)](/ifconfig/8.md)

## HISTORY

The **lii** device driver first appeared in OpenBSD 4.3.

## AUTHORS

The **lii** driver was written by Quentin Garnier.