New Dell laptop dificulties

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Author: Kevin Brown
Date:  
Subject: New Dell laptop dificulties
>>> I have a new Dell Inspiron 1100. The first thing I did was wipe the
>>> harddrive so I could start with a clean slate. Due to work
>>> considerations I have to use windows XP for certain things, so I now
>>> have a dual boot with XP and Redhat 9.0.
>>>
>>> On the linux side I am having a few networking problems. The box came
>>> with a broadcom 440X nic, which is unsupported by Redhat out of the
>>> box and I also use a Linksys WPC11 wireless card, which is supported
>>> by Redhat out of the box.
>>>
>>> I downloaded and installed the drivers for the broadcom installed
>>> then and that works fine. I also configured the wireless card and it
>>> works fine, except that I can't get it to work in encrypted mode
>>> yet(probably my typing of the key).
>>>
>>> With the wireless card in place, it is ETH0 and the broadcom is
>>> ETH1. The problem arises when I boot into Linux when the wireless
>>> card is not inserted, which is the case when I am at a remote site.
>>> Then the broadcom is recognized as ETH0 and it tries to use the
>>> orinoco prism driver from the wireless card. And I then have no
>>> connectivity at all.
>>>
>>> What I want to happen is, I think, to have the broadcom designated as
>>> ETH0 using the driver I install, but not have ETH0 activated at boot
>>> and have the wireless designated as ETH1 and activated at boot when
>>> it is present.
>>>
>>
>> ----
>> /etc/modules.conf
>>
>> alias eth0 whatever_driver_broadcom_uses
>> alias eth1 orinoco_cs (or whatever your prism II driver uses)
>>
>> depmod -ae
>>
>> swap /etc/sysconfig/network-scripts/ifcfg-eth0 & ifcfg-eth1
>>
>> - to make the WEP happen...
>>
>> iwconfig -essid "Wireless_network" key "9999-9999-9999-9999-9999" or
>> better yet...put the appropriate items in /etc/pcmcia/wireless.opts
>
>
> Red Hat doesn't use the normal PCMCIA information. You can add the key
> to the ifcfg-ethX script to get it to work. Also switching the names of
> the files will not switch the devices the files want to configure.
>
> ifup and ifdown, the two Red Hat network scripts, accept an argument
> from the command line and then look for a file called ifcfg-<argument>.
> So if you have a file called ifcfg-home for your home config, then you
> would type "ifup home". Inside those files they have a DEVICE= line that
> tells the scripts what device to actually bring up. So you have to
> change the DEVICE= line in those scripts. They also have an ONBOOT=
> option for whether the interface should be brought up during boot time.


P.S. Here's some of the wireless keyword options for the ifcfg-X scripts:

MODE=Managed
ESSID=linksys
RATE=auto
KEY=112233445566778899aabbccdd
SENS=3