Which is better way for scanning AP channel

Eduard GV eduardgv at gmail.com
Thu Apr 5 06:44:15 EDT 2007


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
>
>
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