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Man Pages
URAL(4) FreeBSD Kernel Interfaces Manual URAL(4)

ural
Ralink Technology RT2500USB IEEE 802.11 driver

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 ural
device wlan
device wlan_amrr
Alternatively, to load the driver as a module at boot time, place the following line in loader.conf(5):
if_ural_load="YES"

The ural driver supports USB 2.0 wireless adapters based on the RT2500USB chipset.
The RT2500USB chipset consists of two integrated chips, a RT2570 MAC/BBP and a radio transceiver (the model of which depends on the card revision).
The RT2522, RT2523, RT2524, RT2525, RT2525e and RT2526 radio transceivers operate in the 2.4GHz band (802.11b/g) whereas the RT5222 is a dual-band radio transceiver that can operate in the 2.4GHz and 5.2GHz bands (802.11a).
ural supports station, adhoc, hostap, and monitor mode operation. Only one virtual interface may be configured at any time. For more information on configuring this device, see ifconfig(8).

The ural driver supports USB 2.0 wireless adapters based on the Ralink Technology RT2500USB chipset, including:
Card Bus
AMIT WL532U USB
ASUS WL-167g USB
Belkin F5D7050 v2000 USB
Buffalo WLI-U2-KG54-AI USB
CNet CWD-854 USB
Compex WLU54G 2A1100 USB
Conceptronic C54RU USB
D-Link DWL-G122 b1 USB
Dynalink WLG25USB USB
E-Tech WGUS02 USB
Gigabyte GN-WBKG USB
Hercules HWGUSB2-54 USB
KCORP LifeStyle KLS-685 USB
Linksys WUSB54G v4 USB
Linksys WUSB54GP v4 USB
MSI MS-6861 USB
MSI MS-6865 USB
MSI MS-6869 USB
NovaTech NV-902 USB
OvisLink Evo-W54USB USB
SerComm UB801R USB
SparkLAN WL-685R USB
Surecom EP-9001-g USB
Sweex LC100060 USB
Tonze UW-6200C USB
Zinwell ZWX-G261 USB
Zonet ZEW2500P USB
An up to date list can be found at http://ralink.rapla.net/.

Join an existing BSS network (i.e., connect to an access point):
ifconfig wlan create wlandev ural0 inet 192.168.0.20 \ 
    netmask 0xffffff00
Join a specific BSS network with network name “my_net”:
ifconfig wlan create wlandev ural0 ssid my_net up
Join a specific BSS network with 64-bit WEP encryption:
ifconfig wlan create wlandev ural0 ssid my_net \ 
	wepmode on wepkey 0x1234567890 weptxkey 1 up
Join a specific BSS network with 128-bit WEP encryption:
ifconfig wlan create wlandev ural0 wlanmode adhoc ssid my_net \ 
    wepmode on wepkey 0x01020304050607080910111213 weptxkey 1

ural%d: device timeout
The driver will reset the hardware. This should not happen.

intro(4), netintro(4), usb(4), wlan(4), wlan_amrr(4), wlan_ccmp(4), wlan_tkip(4), wlan_wep(4), wlan_xauth(4), hostapd(8), ifconfig(8), wpa_supplicant(8)
Ralink Technology, http://www.ralinktech.com/.

The ural driver first appeared in OpenBSD 3.7.

The original ural driver was written by Damien Bergamini <damien.bergamini@free.fr>.

Host AP mode doesn't support client power save. Clients using power save mode will experience packet loss (disabling power saving on the client will fix this).
April 13, 2008 FreeBSD 12.0-RELEASE

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