I can't connect through the wireless interface

[Yann Simon]

2007/3/20, Amimusa MAN U <amimusa at gmail.com>:
> Hello Yann,
>
> Thanks for the replay.
>
> Here is the output. The interface eth1 is the wireless interface.
>
> root at nomada:~# iwconfig
> lo        no wireless extensions.
>
> eth0      no wireless extensions.
>
> eth1      IEEE 802.11g  ESSID:"manou"
>           Mode:Managed  Frequency:2.462 GHz  Access Point:
> 00:80:5A:47:C9:E7
>           Bit Rate:54 Mb/s   Tx-Power:15 dBm
>           Retry limit:15   RTS thr:off   Fragment thr:off
>           Encryption key:off
>           Power Management:off
>           Link Quality=93/100  Signal level=-36 dBm  Noise level=-36 dBm
>           Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
>           Tx excessive retries:0  Invalid misc:10   Missed beacon:0
>
> sit0      no wireless extensions.
>
> It's very strange since all seems to work. I can see the icon of the
> Wireless green, the signal is perfect and receiving increasing.
>
> But if I unplugg the ethernet cable I can't access to Internet.
>
> I have added the nameservers of my ISP provider in /etc/resolv.conf
>
> This has happended when I unable the deveice. When I enable it again I
> experience this matter.
>
> Thanks a lot.
>
You can try:
sudo ifconfig eth0 down (to disable ethernet interface)
sudo ifconfig eth1 down
sudo ifconfig eth1 up

If it does not work, check :
iwconfig eth1
ifconfig eth1