wireless naum conecta...

meu roteador eh um microsoft MN-700, tah com o wep 128 bits ativado...
o modulo da up:

Código :

zd1211_mod            214112  0
usbcore               108380  5 zd1211_mod,usblp,usb_storage,ohci_hcd

ai c eu tento primeiro:
iwconfig wlan0 essid GRAVADOR, dah esse erro:

Código :

Error for wireless request "Set ESSID" (8B1A) :
    SET failed on device wlan0 ; Invalid argument.

entaum preciso subir o serviço antes, ifconfig wlan0 up:

Código :

# iwconfig
          wlan0     802.11b/g NIC  ESSID:"GRAVADOR"
          Mode:Master  Frequency=2.457 GHz  Access Point: 00:11:A3:00:CA:02
          Bit Rate:1 Mb/s
          Retry:off   RTS thr=2432 B   Fragment thr:off
          Encryption key:****-****-****-****-****-****-**   Security mode:open
          Power Management:off
          Link Quality=80/92  Signal level=77/154  Noise level=161/154
          Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
          Tx excessive retries:0  Invalid misc:0   Missed beacon:0

ai eu coloco:

Código :

iwconfig wlan0 key 35AD6B76B2A6C6B5D4E68F876A
iwconfig wlan0 mode Master
iwconfig wlan0 essid GRAVADOR

mas qd eu tento pegar um IP via DHCP

Código :

dhclient -s 192.168.2.1 wlan0

dah esse erro:

Código :

Internet Systems Consortium DHCP Client V3.0.3
Copyright 2004-2005 Internet Systems Consortium.
All rights reserved.
For info, please visit http://www.isc.org/products/DHCP
 
/sbin/dhclient-script: configuration for wlan0 not found.
Listening on LPF/wlan0/00:11:a3:00:ca:02
Sending on   LPF/wlan0/00:11:a3:00:ca:02
Sending on   Socket/fallback
DHCPREQUEST on wlan0 to 192.168.2.1 port 67
DHCPREQUEST on wlan0 to 192.168.2.1 port 67
DHCPDISCOVER on wlan0 to 192.168.2.1 port 67 interval 3
DHCPDISCOVER on wlan0 to 192.168.2.1 port 67 interval 4
DHCPDISCOVER on wlan0 to 192.168.2.1 port 67 interval 10
DHCPDISCOVER on wlan0 to 192.168.2.1 port 67 interval 21
DHCPDISCOVER on wlan0 to 192.168.2.1 port 67 interval 18
DHCPDISCOVER on wlan0 to 192.168.2.1 port 67 interval 5
No DHCPOFFERS received.
Trying recorded lease 192.168.0.100
/sbin/dhclient-script: configuration for wlan0 not found.
No working leases in persistent database - sleeping.
/sbin/dhclient-script: configuration for wlan0 not found.

ai a conexao some.. alguem sabe oq eu to fazendo errado?