Re: [gentoo-user] [query] kernel-2.6.24 + ndiswrapper

[Etaoin Shrdlu <shrdlu@unlimitedmail.org>]

On Wednesday 13 February 2008, dell core2duo wrote:

> Output for iwlist wlan0 scan is as below.
>
> flukebox flukebox # iwlist wlan0 scan
> wlan0     Scan completed :
>           Cell 01 - Address: 00:11:95:D8:E3:33
>                     ESSID:"iitk"
>                     Channel:7
>           Cell 02 - Address: 00:0F:B5:96:C6:70
>                     ESSID:"iitk"
>                     Channel:10
>           Cell 03 - Address: 00:11:95:D8:E3:46
>                     ESSID:"iitk"
>                     Channel:12
>           Cell 04 - Address: 00:0F:B5:96:C5:2B
>                     ESSID:"iitk"
>                     Channel:11

It seems you are using different APs with the same SSID. 
AFAIK, with 802.11b/g, to avoid confusing the wifi cards, neighboring AP 
channels should not overlap, which means they should be at least 5 
channels apart (eg, 1,6,11 or 1,7,13, etc). APs transmitting on 
overlapping channels may cause interferences and confuse the wifi card, 
which might not be able to sense clearly when it is moving between APs, 
resulting in difficulties in deciding when to roam from one AP to 
another.
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