configure a wireless network interface

iwconfig
is the command for the wireless network configeration
This will configure the wireless network as our preferences.
example :
To get this wireless interface activeted on the Fedora Core 4 first had to get the firmware upgraded by adding the firmware patch to the kernal
ipw2200-firmware
This was applied initially
yum update
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Package Arch Version Repository Size
=====================================
Installing:
ipw2200-firmware noarch 2.4-2 freshrpms 708 k

Transaction Summary
=====================================

And then by executing these commands I can activate my wireless connection
iwconfig eth1 essid WSO2 key 1212121212
dhclient eth1


Connected :)