On Fri, 2008-08-29 at 12:44 +0530, Queenie de Melo wrote:
> Hello everyone, 
>  
> I have a very basic query but which iam very confused about. 
>  
> Whats the difference between Wifi0 and ath0 :(

It is explained in the README file.

> I understand that ath0 is a virtual AP we create on the exsiting Wifi0
> physical interface. Meaning that we can have many athx (ath0, ath1,
> ath2 etc) on the same physical interface wifi0.

Correct.

> My queries are as below:
>  
> 1. In case i dont want to have any virtual AP (ath0) can i use the
> Wifi0 itself? cause i find that iwconfig and the other wireless tools
> use ath0 (VAP) to configure. 

No.  It doesn't support wireless extensions.

> 2. how many virtual AP can i create on my Wifi0? is it 64? 

I think so, but I haven't tried.

> 3. On one physical interface Wifi0, Can i have virtual AP (VAP) having
> different ESSID, Different channels or differnet rates/modes(a/b/g)?
> Cause physically the radio/phy used would be one wifi0 right? 

ESSID can be different, but channels must be the same.

> 4. Iam using Wireshark to capture packets putting my Wifi device in
> monitor mode. can i capture packets in Wifi0 interface or Do i have to
> use Ath0 interface? What would be the difference? 

Capturing on wifi0 is not supported.  You'll need to create a VAP in
monitor mode and capture on it.

-- 
Regards,
Pavel Roskin

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