rt2500 pci card worked fine under Edgy. Upgraded via alt CD and no
network. Numerous attempts at getting network manager to sort it out
failed. I uninstalled network manager and it still will not connect via
the Gnome network GUI. Note that this is with WEP encryption.

I _am_ able to connect via the command line:

sudo ifconfig ra0 down
sudo iwconfig ra0 essid blahblahblah key hexblahblah
sudo dhclient ra0


I found this at https://bugs.launchpad.net/ubuntu/+source/linux-
source-2.6.20/+bug/37120

Syntax to manually configure in /etc/network/interfaces

iface ra0 inet dhcp
        pre-up ifconfig ra0 up
        pre-up ifconfig ra0 down
        pre-up ifconfig ra0 up
        pre-up ifconfig ra0 down
        pre-up iwconfig ra0 essid "MyRouterName"
        pre-up iwconfig ra0 mode Managed
        pre-up iwpriv ra0 set AuthMode=WPAPSK
        pre-up iwpriv ra0 set EncrypType=TKIP
        pre-up iwpriv ra0 set WPAPSK="MySecretPassword
        pre-up ifconfig ra0 up
auto ra0

Since I am only using WEP, modified to:

iface ra0 inet dhcp
        pre-up ifconfig ra0 up
        pre-up ifconfig ra0 down
        pre-up ifconfig ra0 up
        pre-up ifconfig ra0 down
        pre-up iwconfig ra0 essid "MyRouterName"
        pre-up iwconfig ra0 key "MyKeyInHex"
        pre-up iwconfig ra0 mode Managed
        pre-up ifconfig ra0 up
auto ra0

Now I have wireless connectivity which survives a reboot.

See also bugs 107555 and 95828

-- 
many cards need to be downed for changing essid
https://bugs.launchpad.net/bugs/78037
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