Problem With Wireless Network & Linux

[halfpower]

I can't seem to setup my wireless adapter to work with my Linux install (I'm using the Ubuntu Hoary 5.04 distro). I've got a 802.11g WLAN with open 128-bit encryption and I do not have a static IP address. I followed the directions found at http://www.ubuntulinux.org/wiki/Rt2500WirelessCardsHowTo/

halfpower@computer << sudo dhclient eth0

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sit0: unknown hardware address type 776
sit0: unknown hardware address type 776

Listening on LPF/eth0/00:c0:9f:26:2c:2b

Sending on LPF/eth0/00:c0:9f:26:2c:2b
Sending on Socket/fallback

DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 7
DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 18
DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 12
DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 10
DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 10
DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 4

No DHCPOFFERS received.
No working leases in persistent database - sleeping.

halfpower@computer << |

The computer also does the same thing when type

halfpower@computer << sudo ifup ra0

Does anyone have an idea what it is that I'm doing wrong? Do I need to do one of those "ndiswrapper" things?

 

[n0cmonkey]

EDIT: Wait, you said you got it working in the other thread.

 

[halfpower]

Then I rebooted...

I can't get get it working now