[Linux-disciples] trouble getting IP address with ath0

[Adam Rosi-Kessel]

Have you tried

  iwconfig ath0 essid any

  ?

What sort of output do you get from iwconfig ath0?

It looks to me like you're not joining the WLAN.

Does BC have any WLAN security/authentication?  Sometimes you need to
give them your MAC address before you can join the WLAN.

On Mon, Oct 18, 2004 at 12:05:13PM -0400, Nirmal Trivedi wrote:
> Anyone know why I might not be getting an IP from the university network
> with my wireless? The ethernet connects without a problem. I was having
> the same problem with my old computer and wireless card so it's probably
> not an issue with the module. I think . . .
> 
> Output from ifup ath0:
> --
> sit0: unknown hardware address type 776
> sit0: unknown hardware address type 776
> Listening on LPF/ath0/00:0e:9b:24:e6:2c
> Sending on   LPF/ath0/00:0e:9b:24:e6:2c
> Sending on   Socket/fallback/fallback-net
> DHCPDISCOVER on ath0 to 255.255.255.255 port 67 interval 6
> receive_packet failed on ath0: Network is down
> DHCPDISCOVER on ath0 to 255.255.255.255 port 67 interval 9
> DHCPDISCOVER on ath0 to 255.255.255.255 port 67 interval 11
> DHCPDISCOVER on ath0 to 255.255.255.255 port 67 interval 19
> DHCPDISCOVER on ath0 to 255.255.255.255 port 67 interval 14
> DHCPDISCOVER on ath0 to 255.255.255.255 port 67 interval 2
> No DHCPOFFERS received.
> No working leases in persistent database.
> 
> Exiting.
> 
> Failed to bring up ath0.
> --
> 
> Output from iwconfig
> 
> --
> eth0      no wireless extensions.
> 
> ath0      IEEE 802.11g  ESSID:"WLANSSID"
>           Mode:Managed  Frequency:2.457GHz  Access Point:
> FF:FF:FF:FF:FF:FF
>           Bit Rate:1Mb/s   Tx-Power:50 dBm   Sensitivity=0/3
>           Retry:off   RTS thr:off   Fragment thr:off
>           Encryption key:off
>           Power Management:off
>           Link Quality=20/94  Signal level=-75 dBm  Noise level=-95 dBm
>           Rx invalid nwid:16861  Rx invalid crypt:0  Rx invalid frag:0
>           Tx excessive retries:65  Invalid misc:65   Missed beacon:2
> 
> sit0      no wireless extensions.
> 
> --
> 
> /etc/network/interfaces file
> 
> --
> #This file describes the network interfaces available on your system
> # and how to activate them. For more information, see interfaces(5).
> 
> # The loopback network interface
> auto lo eth0 ath0
> iface lo inet loopback
> 
> # The primary network interface
> iface eth0 inet dhcp
> iface ath0 inet dhcp
> 
> 
> 
> 
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-- 
Adam Rosi-Kessel
http://adam.rosi-kessel.org
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