[HostAPD issue] - how to create multiple SSIDs

Yu Li yli025
Wed Jun 26 06:57:44 PDT 2013

Thank your both  for your replies.
FYI, I have set the MAC address ended with "0", here is how the error

~/Desktop$ sudo hostapd ./test1.conf
Configuration file: ./test1.conf
Using interface wlan0 with hwaddr 02:23:15:0b:24:40 and ssid 'Discover_Net'
Could not set interface wlan0_0 flags: Device or resource busy
Failed to add BSS (BSSID=02:23:15:0b:24:41)
wlan0: Unable to setup interface.
Failed to remove BSS interface wlan0_0


And here is my test1.conf:




I don't if I should calculate the MAC and how to do that if so. My original
MAC on wlan0 is xx:23:15:0b:24:4x, according to the tutorial, I just set it
to 02:23:15:0b:24:40

On Tue, Jun 25, 2013 at 10:28 PM, Douglas Diniz <dgdiniz at gmail.com> wrote:

> Hi, the first instruction in this post is to change the MAC, setting the
> last digit to 0, but your log reports a MAC ended with a "4F"!
> By the way, is there a limit in the number of SSIDs? Because I can only
> create 4 SSIDs by card. I tried two different cards (Ubiquiti XR2 and
> SR71A) and I can only create 4 SSIDs in each of these cards using hostapd
> 2.0.
> On Tue, Jun 25, 2013 at 7:44 PM, Yu Li <yli025 at fiu.edu> wrote:
>> Hello All,
>> I have been following this post to create multi-SSID:
>> http://wiki.stocksy.co.uk/wiki/Multiple_SSIDs_with_hostapd
>> But in the end when I try to start hostapd daemon, I got the error
>> message similar to this one:
>> Could not set interface wlan0_0 flags: Device or resource busy
>> Failed to add BSS (BSSID=02:22:6b:a6:bb:4f)
>> I am not sure if this is a bug or I configured it wrong. I've tried with
>> hostapd v0.7.3 and v1.1 both with this same issue.
>> Other information - OS: Ubuntu 12.04, wireless driver: iwlwifi.
>> thanks in advance,
>> --
>> Lawrence
>> _______________________________________________
>> HostAP mailing list
>> HostAP at lists.shmoo.com
>> http://lists.shmoo.com/mailman/listinfo/hostap
> --
> -------------------------------------------------------------------
> Douglas Gameiro Diniz
> Engenheiro de Computa??o - 2003 - UNICAMP
> Mobile: (19) 92158777
> Gtalk: dgdiniz
> Msn: thedougdiniz at hotmail.com

Yu Li
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