Reference

if_urtw(4freebsd)

Realtek RTL8187B/L USB IEEE 802.11b/g wireless network device

NAME

urtw – Realtek RTL8187B/L USB IEEE 802.11b/g wireless network device

SYNOPSIS

To compile this driver into the kernel, place the following lines in your kernel configuration file:

device ehci device uhci device ohci device usb device urtw device wlan

Alternatively, to load the driver as a module at boot time, place the following line in loader.conf(5):

if_urtw_load="YES"

DESCRIPTION

The urtw driver supports USB 802.11b/g wireless adapters based on the Realtek RTL8187B/L.

urtw supports station and monitor mode operation. Only one virtual interface may be configured at any time. For more information on configuring this device, see ifconfig(8).

HARDWARE

The urtw driver supports Realtek RTL8187B/L based wireless network devices, including:

CardRadioBus
Belkin F5D7050ERTL8225USB
Linksys WUSB54GCv2RTL8225USB
Netgear WG111v2RTL8225USB
Netgear WG111v3RTL8225USB
Safehome WLG-1500SMA5RTL8225USB
Shuttle XPC Accessory PN20RTL8225USB
Sitecom WL168v1RTL8225USB
Sitecom WL168v4RTL8225USB
SureCom EP-9001-g(2A)RTL8225USB
TRENDnet TEW-424UB V3.xRRTL8225USB

EXAMPLES

Join an existing BSS network (i.e., connect to an access point):

ifconfig wlan create wlandev urtw0 inet 192.168.0.20 \
    netmask 0xffffff00

Join a specific BSS network with network name “my_net”:

ifconfig wlan create wlandev urtw0 ssid my_net up

Join a specific BSS network with 64-bit WEP encryption:

ifconfig wlan create wlandev urtw0 ssid my_net \
	wepmode on wepkey 0x1234567890 weptxkey 1 up

SEE ALSO

intro(4), netintro(4), usb(4), wlan(4), wlan_ccmp(4), wlan_tkip(4), wlan_wep(4), ifconfig(8), wpa_supplicant(8) Realtek, http://www.realtek.com.tw.

HISTORY

The urtw device driver first appeared in FreeBSD 8.0.

AUTHORS

The urtw driver was written by Weongyo Jeong ⟨[email protected]⟩.

History