Dual Band Configuration (2,4 and 5,8 Ghz) for hostapd

[Christian Lamparter]

On Saturday 08 September 2012 18:58:24 Thomas Schaaf wrote:
> I am trying to configure my wireless adapter (Ubiquiti SR71-E | ath9k)
> so that it broadcasts an SSID on 2,4 and 5,8 Ghz.
> 
> Here is my configuration:
> ## /etc/hostapd/wlanconfig
> interface=wlan1
> hw_mode=g
> driver=nl80211
> ssid=SSID2
> channel=6
> [...]
>
> ## /etc/hostapd/wlanconfig5
> interface=wlan1
> hw_mode=a
> driver=nl80211
> ssid=SSID5
> channel=44
> [...]
> ##
> 
> Starting hostapd with the following command:
> # hostapd -dd -t -K /etc/hostapd/wlanconfig /etc/hostapd/wlanconfig5
> 
> Only broadcasts the 5.8 Ghz wifi.
> Please correct my configuration as I was unable to find a config for
> dual band setups.
I'm sorry to tell you, but while your hardware is certainly "dual-band"
capable, it can't do both at the same time. If you want to do that, you
will need to buy a second card (doesn't have to be the same one though,
e.g.: a cheaper 2.4g-only device is enough).

Regards,
	Chr