Question on Multiple BSSID support

Ann Lo at
Fri May 20 21:38:07 PDT 2016

This is good information to know.


On Fri, May 20, 2016 at 2:37 PM, Jouni Malinen <j at> wrote:
> On Wed, May 18, 2016 at 11:07:30AM -0700, Ann Lo wrote:
>> The hostapd configuration allows for multiple BSSID support, with the
>> following comment:
>> #bss=wlan0_0
>> #ssid=test2
>> # most of the above items can be used here (apart from radio interface specific
>> # items, like channel)
>> Would you advise whether it is OK to define the following
>> configurations differently for each BSSID? We are using ath10k driver.
>> 1) WMM parameters
>> 2) Station inactivity limit
>> 3) max_num_sta
>> 4) WPA/IEEE 802.11i configuration
> As far as hostapd is concerned, most of the WMM parameters are shared
> between all virtual BSSes that use the same radio, i.e., tx_queue_* and
> wmm_ac_* parameters are global for each radio. I'd expect most drivers
> to have similar restriction at least for tx_queue_*. In theory, wmm_ac_*
> could likely be made to use different values for each BSS with a hostapd
> change since these only impact what is being advertised in various
> management frames. tx_queue_* would likely be more difficult due to
> driver/hardware restrictions.
> The other items on the list are per-BSS in hostapd and will likely work
> with most drivers as per-BSS parameters as well, so different values can
> be used for each BSS.
> --
> Jouni Malinen                                            PGP id EFC895FA

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