Which is better way for scanning AP channel

ahuguet at cttc.es ahuguet at cttc.es
Thu Apr 5 07:14:17 EDT 2007


I did forgot to add that I think the instruction:
iwlist wlan0 scan
works better if used as superuser.
So either use:
su
then introduce the password,
or try with:
sudo iwlist wlan0 scan
in order to get the desired results.

Thanks for the extra information Edu.

> Hi,
>
> Correct me if I'm wrong

> The best way to scan the air in order to detect interfering cells would
> be:
>
> 1 – Move to Managed mode
> 2 – Disable ESSID
> 3 – Accept all beacons
> 4 – set manual roaming and scanning
> 5 – scan
>
> e.g.:
> iwconfig wlan0 mode managed essid any
> prism2_param wlan0 host_roaming 2
> prism2_param wlan0 other_ap_policy 3
> iwlist wlan0 scan
>
> As Mr Huguet said, ap_scan sets inter-scan timer (time between
> consecutive passive scans).
>
>
> I know it sounds off topic but, regarding frequency selection

>
> IEEE 802.11a devices in Europe following 802.11h amendments, implement
> Dynamic Frequency Selection with which associated stations are able to
> report to their APs the presence of interfering sources. The AP has
> the ability to announce to its associated STAs a channel change based
> on these reports.
>
>
>
>
> Edu
>
>
> 2007/4/5, Namrata Sorte <namrata.r.sorte at gmail.com>:
>> Hello,
>>
>> I want to improve performance of my wireless lan by selecting channel
>> for
>> Access Points. At this stage I would like to configure my network to
>> select
>> channel only at start one which is less noisy and high signal level.
>>
>> Which method/way can be better to do so? Will ap_scan mode help me for
>> doing
>> so? What exactly ap_scan does? Could anybody please guide me for the
>> same.
>>
>> Thanks in advance.
>> Namrata
>>
>>
>> _______________________________________________
>> HostAP mailing list
>> HostAP at shmoo.com
>> http://lists.shmoo.com/mailman/listinfo/hostap
>>
>>
> _______________________________________________
> HostAP mailing list
> HostAP at shmoo.com
> http://lists.shmoo.com/mailman/listinfo/hostap
>





More information about the HostAP mailing list