two AP on one device

[Martin]

either remove wlan0 from auto lo eth0.... and set it up manually after hostapd 
starts
or

auto wlan0
iface wlan0 inet static
 # Start hostapd if it is not running
#hostapd /etc/hostapd/hostapd.conf
address 192.168.29.56
netmask 255.255.255.0
gateway 192.168.29.1
network 192.168.29.0
broadcast 192.168.29.255
pre-up ifconfig wlan0 hw ether 02:ab:cd:ef:gh:40

AFAIK the MAC address of the first interface must end with "0". You do not need 
to specify it in hostapd.conf, its incremented automatically for every 
subsequent interface. Also make sure your hostapd is at least version 0.7.3

Martin







----- Original Message ----- 
From: <snowy.mail at gmx.net>
To: <hostap at lists.shmoo.com>
Sent: Thursday, February 28, 2013 4:47 PM
Subject: two AP on one device


> Hello!
>
> I'd like to have two AP on one physical device, but I have not been successful 
> so far.
>
> The system I'm using is a Raspberry Pi with raspbian, based on Debian wheezy.
> The device is a TP TL-WN722N, so Atheros AR9271.
>
> I am successful using these devices to provide one AP with the following 
> configuration.
>
> # /etc/network/interfaces
> auto lo eth0 wlan0
>
> iface lo inet loopback
>
> iface eth0 inet static
>        address 192.168.29.55
>        netmask 255.255.255.0
>        gateway 192.168.29.1
>        network 192.168.29.0
>        broadcast 192.168.29.255
>
> iface wlan0 inet static
>        address 192.168.29.56
>        netmask 255.255.255.0
>        gateway 192.168.29.1
>        network 192.168.29.0
>        broadcast 192.168.29.255
>
>
> # /etc/hostapd/hostapd.conf
> interface=wlan0
> driver=nl80211
> ctrl_interface=/var/run/hostapd
> ctrl_interface_group=0
>
> ssid=test1
> bssid=fa:XX:XX:XX:XX:40
> hw_mode=g
> channel=11
> country_code=DE
> ieee80211d=1
> auth_algs=3
> wpa=2
> wpa_passphrase=somepassword
> wpa_key_mgmt=WPA-PSK
> wpa_pairwise=TKIP CCMP
> rsn_pairwise=CCMP
> beacon_int=100
>
> (NB: XX in bssid just here in this post)
>
>
> If I now append
>
> bss=wlan0:0
> ssid=test2
> bssid=fa:XX:XX:XX:XX:41
>
> to the configuration file, I get the following errors.
>
> nl80211: Create interface iftype 3 (AP)
> nl80211: New interface wlan0:0 created: ifindex=3
> nl80211: Add own interface ifindex 3
> Could not set interface wlan0:0 hwaddr: Device or resource busy
> nl80211: Remove interface ifindex=3
> Failed to add BSS (BSSID=fa:XX:XX:XX:XX:41)
> wlan0: Unable to setup interface.
> Flushing old station entries
> Could not connect to kernel driver.
> Deauthenticate all stations
> Flushing old station entries
> Could not connect to kernel driver.
> Deauthenticate all stations
> nl80211: wpa_driver_nl80211_if_remove(type=2 ifname=wlan0:0) ifindex=0
> Failed to remove BSS interface wlan0:0
> nl80211: Remove interface ifindex=4
> netlink: Operstate: linkmode=0, operstate=6
> Could not read interface wlan0 flags: No such device
> nl80211: Set mode ifindex 3 iftype 2 (STATION)
> nl80211: Failed to set interface 3 to mode 2: -19 (No such device)
> nl80211: Try mode change after setting interface down
> Could not read interface wlan0 flags: No such device
> nl80211: Interface mode change to 2 from 3 failed
>
>
>
>
> Also, ifconfig shows that wlan0 is not available anymore...
>
>
> I'd appreciate it very much if somebody could point me to the right direction 
> to get two AP up and running.
>
> Thank you!
>
> Stefan
>
>
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