---
name: "if_udav"
section: "4"
platform: "linux"
package: "freebsd-manpages"
version: "6.0-5"
release: "Debian 4.0 (Etch)"
platforms: ["linux", "freebsd"]
url: "https://new.carta.tech/if_udav"
---

# if\_udav(4)

Davicom DM9601 USB Ethernet driver

## NAME

**udav** – Davicom DM9601 USB Ethernet driver

## SYNOPSIS

To compile support for the

**udav** driver into your kernel, place the following lines in your kernel configuration file:

**device uhci** **device ohci** **device usb** **device miibus** **device udav**

Alternatively, to load the

**udav** driver at boot time, place the following line in [loader.conf(5)](/loader.conf/5.md):

```
if_udav_load="YES"
```

## HARDWARE

The **udav** driver supports the following adapters:

- Corega FEther USB-TXC

## DESCRIPTION

The **udav** driver provides support for USB Ethernet adapters based on the Davicom DM9601 chipset.

For more information on configuring this device, see [ifconfig(8)](/ifconfig/8.md).

## SEE ALSO

[arp(4)](/arp/4.md), [miibus(4)](/miibus/4.md), [netintro(4)](/netintro/4.md), [ng\_ether(4)](/ng_ether/4.md), [usb(4)](/usb/4.md), [ifconfig(8)](/ifconfig/8.md) *Davicom DM9601 data sheet*, http://www.davicom.com.tw/big5/download/Data%20Sheet/DM9601-DS-P01-930914.pdf.

## HISTORY

The **udav** device driver first appeared in NetBSD 2.0.

## AUTHORS

The **udav** driver was written by Shingo WATANABE ⟨nabe@nabechan.org⟩.