This is a summary of what Mr.Tony Perrie of involution.com fame has wriiten. I include here with his permission. I encourage you to visit his site because he has a great "how-to" on IPtables.
The stock kernel driver to use with the WPC11 is the orinoco_cs. Make sure that it's loaded.
If you get some error messages after executing modprobe, insure that the wavelan_cs and wvlan_cs drivers are unloaded. By doing
lsmod | egrep lan
If they are loaded do the following:
The hack is putting the following in
card "Instant Wireless Network PC Card"
You'll then need to restart pcmcia service.
service pcmcia restart
Go to the Redhat System Tools and hit Configure. Then add a wireless device in Managed mode if you have an access point.
Setup dhcp, and the WEP key. The channel autoconfigures to 6 in managed mode.
service network restart