02-23-2009
if you're running wireless and trying to connect to an unencrypted network, try this in your /etc/rc.conf
ifconfig_ath0="up"
you would replace ath0 with your detected wifi device (try dmesg |less for this) - you can try rebooting, or /etc/rc.d/netif restart to get it to latch on once you do this. for a WEP network, try (/etc/rc.conf again)
ifconfig_ath0="ssid SSID wepmode mixed weptxkey 1 wepkey KEY DHCP"
where SSID is, that's right, your ssid and KEY is your WEP key. use 0x at the beginning of the key for hex or nothing preceding for ascii.
to retry your device connection, try this simple script:
#!/bin/sh
rm /var/db/dhcli*lease*ath0
ifconfig ath0 down
ifconfig ath0 up
dhclient ath0
if these answers don't help, it's time to read the freebsd handbook. check out /usr/share/doc/en/books/handbook and look for the network-wireless chapter.
best of luck.
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URTW(4) BSD Kernel Interfaces Manual URTW(4)
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 config-
uring this device, see ifconfig(8).
HARDWARE
The urtw driver supports Realtek RTL8187B/L based wireless network devices, including:
Card Radio Bus
Belkin F5D7050E RTL8225 USB
Linksys WUSB54GCv2 RTL8225 USB
Netgear WG111v2 RTL8225 USB
Netgear WG111v3 RTL8225 USB
Safehome WLG-1500SMA5 RTL8225 USB
Shuttle XPC Accessory PN20 RTL8225 USB
Sitecom WL168v1 RTL8225 USB
Sitecom WL168v4 RTL8225 USB
SureCom EP-9001-g(2A) RTL8225 USB
TRENDnet TEW-424UB V3.xR RTL8225 USB
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 <weongyo@FreeBSD.org>.
BSD
October 17, 2009 BSD