Essid issue.

Jouni Malinen jkmaline at
Thu Dec 1 22:07:34 EST 2005

On Thu, Dec 01, 2005 at 01:58:06PM -0500, Michael Vanacore wrote:

> How do I get the wlan0 interface only to use a particular ESSID without
> associating itself to any AP near by? The issue that I am running into is
> that I set the mode of the card to ad-hoc with a particular essid, but it
> associates to a near by AP. I maybe missing a setting within the
> hostap_cs.conf file or /etc/pcmcia/wireless.opts, but if anyone has any
> ideas let me know. Thanks.

Have you tried running following commands manually?

iwconfig wlan0 mode ad-hoc
iwconfig wlan0 essid your_ssid

What does 'iwconfig wlan0' show when the client is associated with an AP
even though it should have been configured to use ad-hoc mode? Please
also send the relevant lines from 'dmesg' output showing what the driver
is doing as far as mode change and association is concerned.

Jouni Malinen                                            PGP id EFC895FA

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