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Full Discussion: Connecting to DHCP network with Realtek interface
Special Forums IP Networking Connecting to DHCP network with Realtek interface Post 302304183 by septima.pars on Sunday 5th of April 2009 01:11:42 PM
Old 04-05-2009
Hi,

I have had similiar issues with a wireless card being intermittent on a laptop (Note: The laptop is often restarted and certain scripts are run by default). On my end initially--and by the way, it's not 100% resolved--is that the default settings of the Operating System/Window Manager are to enable control of the networking settings through 2 different application utilities--which you can choose from, and are each not compatible with the way they manage the settings)


Switching between these applications would result in some of the settings being overwritten, most likely because each was reading certain configuration files (maybe some of the same) and overwriting them to suit the way they worked.

At this point, I am looking in the /udev functioning and maybe the driver modules that are loaded....
But anyway, it always seems to be hard to track down driver issues

I do have another card that works wirelessly, but I want to try and fix it. If I do, i'll be sure to post what I find.
 

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LEARN ABOUT NETBSD

urtw

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:

	   urtw* at uhub? port ?

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

     ifconfig.if(5) example configures urtw0 to join whatever network is available on boot, using WEP key ``0x1deadbeef1'', channel 11, obtaining
     an IP address using DHCP:

	   nwkey 0x1deadbeef1 chan 11
	   dhcp

     Configure urtw0 to join network ``my_net'' using WPA with passphrase ``my_passphrase'':

	   # ifconfig urtw0 nwid my_net wpakey my_passphrase

     Join an existing BSS network, ``my_net'':

	   # ifconfig urtw0 192.168.1.1 netmask 0xffffff00 nwid my_net

SEE ALSO

     arp(4), netintro(4), usb(4), ifconfig.if(5), wpa_supplicant.conf(5), 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
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