[driverloader] ghost cells with ssid broadcast disabled

[Linuxant support (Jonathan)]

Hi,

did you tried to use another machine and while you can see the ESSID of 
your access point in the output of the 'iwlist scanning' command? On 
this other machine, do you now see the ESSID of your access point?

If this is the case, it is possible that the problem is the access point 
instead of the Windows driver. Did you tried to upgrade the firmware of 
the access point to see if there is a difference?

Regards,


Jonathan
Technical specialist / Linuxant
www.linuxant.com
support at linuxant.com


coverup coverup wrote:
> Hi there,
> 
> I am having a strange problem while connecting to
> Dlink 624+ router using Intel 2100 3B miniPCI card.
> The router is configured with SSID broadcast disabled.
> Each time, after the connection is established, a
> "ghost" cell appears on the net. That cell has the
> same ESSID as my network and is clearly visible,
> despite the SSID broadcast is disabled. Also the cell
> suggests that encryption key is off turned off (which
> is a lie:-). In other words, the scan shows something
> like this:
> 
> Before eth1 is up, only 1 cell is available, ESSID is
> hidden, as should be: 
> 
> [root at host homedir]# iwlist eth1 scan
> eth1      Scan completed :
>           Cell 01 - Address: 00:11:22:33:44:55
>                     ESSID:""
>                     Mode:Managed
>                     Frequency:2.437GHz
>                     Quality:1/1  Signal level:-35 dBm 
> Noise level:-200 dBm
>                     Encryption key:on
>                     Bit Rate:1Mb/s
>                     Bit Rate:2Mb/s
>                     Bit Rate:5.5Mb/s
>                     Bit Rate:11Mb/s
>                     Bit Rate:22Mb/s
>                     Extra:bcn_int=100
> 
> Now, after running ifup eth1, I see this
> 
> [root at host homedir]# iwlist eth1 scan
> eth1      Scan completed :
>           Cell 01 - Address: 00:11:22:33:44:55
>                     ESSID:""
>                     Mode:Managed
>                     Frequency:2.437GHz
>                     Quality:1/1  Signal level:-35 dBm 
> Noise level:-200 dBm
>                     Encryption key:on
>                     Bit Rate:1Mb/s
>                     Bit Rate:2Mb/s
>                     Bit Rate:5.5Mb/s
>                     Bit Rate:11Mb/s
>                     Bit Rate:22Mb/s
>                     Extra:bcn_int=100
>           Cell 02 - Address: 00:11:22:33:44:55
>                     ESSID:"MyEssid"
>                     Mode:Auto
>                     Frequency:2.407GHz
>                     Quality:1/1  Signal level:-35 dBm 
> Noise level:-200 dBm
>                     Encryption key:off
>                     Extra:bcn_int=0
> 
> My question why do I see this second cell? My worry is
> that this cell discloses the hidden SSID.... 
> 
> Both cells have the same MAC address, so one might
> think that it's the router who is misbehaving.
> However, after reboot the second cell disappears.
> Turning eth1 off and on does not make any difference.
> A similar thing happens in Windows, so it's not an OS
> related but a rather driver related bug.
> 
> Did anybody come accross anything similar? Dlink
> support reckons it's a card related issue, but I want
> to know for sure.
> 
> Cheers
> 
> 
> 		
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