CentOS - Jan 2008 - Wireless DELL M90 with CentOS 5.1

Hi,

I have a laptop DELL M90 with an Intel PRO/Wireless 3945ABG card. 

After installed new rpm drivers (see below), my card is recognized and I can see
my wireless acces point with (iwlist - iwconfig) but it's impossible to
connect to it. It seem that I can't obtain an IP address. In the log message
I have "dhclient : DHCPDISCOVER on eth1 to 255.255.255.255 port 67 interval
)


The same laptop installed in Windows XP connect imediatly to my wireless acces
point. Other Windows XP laptops can connect immediatly so.

My laptop is installed with CentOS 5.1 - kernel 2.6.18-53.el5
 

Any help ?
Best Regards.


I have installed the following rpm :

ieee80211-kmdl-2.6.18-53.el5-1.2.18-21.el5.x86_64.rpm
ipw3945-ucode-1.14.2-4.at.noarch.rpm
ipw3945d-1.7.22-4.at.x86_64.rpm
ipw3945-kmdl-2.6.18-53.el5-1.2.0-18.4.el5.x86_64.rpm
ipw3945-1.2.0-18.4.el5.x86_64.rpm


I'm using the following script in the booting process for recognizd the
card.

########################################################################################
#! /bin/sh
#
# Intel Pro/wireless 3945BG:   ipw3945d deamon
#
#chkconfig: 35 20 86
#description: This is a daemon for automatically switching \
#            ipw3945d on to get access to any AP.
#

# Source function library.
. /etc/rc.d/init.d/functions

PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin
DESC="Intel PRO/Wireless 3945BG"
NAME=ipw3945d
SCRIPTNAME=/etc/init.d/ipw3945

# Hopefully exit if the package has been removed.
test -x $SCRIPTNAME || exit 0

# Loads the driver and starts the regulatory daemon
load() {
       /sbin/modprobe --ignore-install ipw3945
       /sbin/ipw3945d --timeout=-1 --quiet
}

# Unloads the driver (killing the regulatory daemon)
unload() {
       /sbin/ipw3945d --kill 2>/dev/null
       /sbin/modprobe -r --ignore-remove ipw3945
}

case "$1" in
 start|restart)
       echo -n "Starting $DESC: $NAME"
       unload
       sleep 3
       load
       sleep 3
       echo "."
       ;;
 stop)
       echo -n "Stopping $DESC: $NAME"
       unload
       echo "."
       ;;
 *)
       echo "Usage: $0 {start|stop|restart}"
       exit 1
esac

exit 0


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on 1/23/2008 5:49 AM MOKRANI Rachid spake the following:
> Hi,
> 
> I have a laptop DELL M90 with an Intel PRO/Wireless 3945ABG card.
> 
> After installed new rpm drivers (see below), my card is recognized and I 
> can see my wireless access point with (iwlist - iwconfig) but it's 
> impossible to connect to it. It seem that I can't obtain an IP address.
> In the log message I have "dhclient : DHCPDISCOVER on eth1 to 
> 255.255.255.255 port 67 interval )
> 
> 
> The same laptop installed in Windows XP connect immediately to my wireless 
> access point. Other Windows XP laptops can connect immediately so.
> 
> My laptop is installed with CentOS 5.1 - kernel 2.6.18-53.el5
>  
> 
Do you have any encryption on the access point?


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